WallEntryPersistenceImpl.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.social.networking.service.persistence.impl;

import aQute.bnd.annotation.ProviderType;

import com.liferay.portal.kernel.dao.orm.EntityCache;
import com.liferay.portal.kernel.dao.orm.FinderCache;
import com.liferay.portal.kernel.dao.orm.FinderPath;
import com.liferay.portal.kernel.dao.orm.Query;
import com.liferay.portal.kernel.dao.orm.QueryPos;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextThreadLocal;
import com.liferay.portal.kernel.service.persistence.CompanyProvider;
import com.liferay.portal.kernel.service.persistence.CompanyProviderWrapper;
import com.liferay.portal.kernel.service.persistence.impl.BasePersistenceImpl;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.spring.extender.service.ServiceReference;

import com.liferay.social.networking.exception.NoSuchWallEntryException;
import com.liferay.social.networking.model.WallEntry;
import com.liferay.social.networking.model.impl.WallEntryImpl;
import com.liferay.social.networking.model.impl.WallEntryModelImpl;
import com.liferay.social.networking.service.persistence.WallEntryPersistence;

import java.io.Serializable;

import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * The persistence implementation for the wall entry service.
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author Brian Wing Shun Chan
 * @see WallEntryPersistence
 * @see com.liferay.social.networking.service.persistence.WallEntryUtil
 * @generated
 */
@ProviderType
public class WallEntryPersistenceImpl extends BasePersistenceImpl<WallEntry>
	implements WallEntryPersistence {
	/*
	 * NOTE FOR DEVELOPERS:
	 *
	 * Never modify or reference this class directly. Always use {@link WallEntryUtil} to access the wall entry persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
	 */
	public static final String FINDER_CLASS_NAME_ENTITY = WallEntryImpl.class.getName();
	public static final String FINDER_CLASS_NAME_LIST_WITH_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List1";
	public static final String FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List2";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_ALL = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countAll", new String[0]);
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_BY_GROUPID = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findByGroupId",
			new String[] {
				Long.class.getName(),
				
			Integer.class.getName(), Integer.class.getName(),
				OrderByComparator.class.getName()
			});
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID =
		new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findByGroupId",
			new String[] { Long.class.getName() },
			WallEntryModelImpl.GROUPID_COLUMN_BITMASK |
			WallEntryModelImpl.CREATEDATE_COLUMN_BITMASK);
	public static final FinderPath FINDER_PATH_COUNT_BY_GROUPID = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countByGroupId",
			new String[] { Long.class.getName() });

	/**
	 * Returns all the wall entries where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @return the matching wall entries
	 */
	@Override
	public List<WallEntry> findByGroupId(long groupId) {
		return findByGroupId(groupId, QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the wall entries where groupId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @return the range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByGroupId(long groupId, int start, int end) {
		return findByGroupId(groupId, start, end, null);
	}

	/**
	 * Returns an ordered range of all the wall entries where groupId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByGroupId(long groupId, int start, int end,
		OrderByComparator<WallEntry> orderByComparator) {
		return findByGroupId(groupId, start, end, orderByComparator, true);
	}

	/**
	 * Returns an ordered range of all the wall entries where groupId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByGroupId(long groupId, int start, int end,
		OrderByComparator<WallEntry> orderByComparator,
		boolean retrieveFromCache) {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID;
			finderArgs = new Object[] { groupId };
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_BY_GROUPID;
			finderArgs = new Object[] { groupId, start, end, orderByComparator };
		}

		List<WallEntry> list = null;

		if (retrieveFromCache) {
			list = (List<WallEntry>)finderCache.getResult(finderPath,
					finderArgs, this);

			if ((list != null) && !list.isEmpty()) {
				for (WallEntry wallEntry : list) {
					if ((groupId != wallEntry.getGroupId())) {
						list = null;

						break;
					}
				}
			}
		}

		if (list == null) {
			StringBundler query = null;

			if (orderByComparator != null) {
				query = new StringBundler(3 +
						(orderByComparator.getOrderByFields().length * 2));
			}
			else {
				query = new StringBundler(3);
			}

			query.append(_SQL_SELECT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_GROUPID_GROUPID_2);

			if (orderByComparator != null) {
				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);
			}
			else
			 if (pagination) {
				query.append(WallEntryModelImpl.ORDER_BY_JPQL);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				if (!pagination) {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = Collections.unmodifiableList(list);
				}
				else {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				finderCache.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Returns the first wall entry in the ordered set where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByGroupId_First(long groupId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByGroupId_First(groupId, orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(4);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("groupId=");
		msg.append(groupId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the first wall entry in the ordered set where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByGroupId_First(long groupId,
		OrderByComparator<WallEntry> orderByComparator) {
		List<WallEntry> list = findByGroupId(groupId, 0, 1, orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the last wall entry in the ordered set where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByGroupId_Last(long groupId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByGroupId_Last(groupId, orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(4);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("groupId=");
		msg.append(groupId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the last wall entry in the ordered set where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByGroupId_Last(long groupId,
		OrderByComparator<WallEntry> orderByComparator) {
		int count = countByGroupId(groupId);

		if (count == 0) {
			return null;
		}

		List<WallEntry> list = findByGroupId(groupId, count - 1, count,
				orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the wall entries before and after the current wall entry in the ordered set where groupId = ?.
	 *
	 * @param wallEntryId the primary key of the current wall entry
	 * @param groupId the group ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the previous, current, and next wall entry
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry[] findByGroupId_PrevAndNext(long wallEntryId,
		long groupId, OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = findByPrimaryKey(wallEntryId);

		Session session = null;

		try {
			session = openSession();

			WallEntry[] array = new WallEntryImpl[3];

			array[0] = getByGroupId_PrevAndNext(session, wallEntry, groupId,
					orderByComparator, true);

			array[1] = wallEntry;

			array[2] = getByGroupId_PrevAndNext(session, wallEntry, groupId,
					orderByComparator, false);

			return array;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	protected WallEntry getByGroupId_PrevAndNext(Session session,
		WallEntry wallEntry, long groupId,
		OrderByComparator<WallEntry> orderByComparator, boolean previous) {
		StringBundler query = null;

		if (orderByComparator != null) {
			query = new StringBundler(4 +
					(orderByComparator.getOrderByConditionFields().length * 3) +
					(orderByComparator.getOrderByFields().length * 3));
		}
		else {
			query = new StringBundler(3);
		}

		query.append(_SQL_SELECT_WALLENTRY_WHERE);

		query.append(_FINDER_COLUMN_GROUPID_GROUPID_2);

		if (orderByComparator != null) {
			String[] orderByConditionFields = orderByComparator.getOrderByConditionFields();

			if (orderByConditionFields.length > 0) {
				query.append(WHERE_AND);
			}

			for (int i = 0; i < orderByConditionFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByConditionFields[i]);

				if ((i + 1) < orderByConditionFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN_HAS_NEXT);
					}
					else {
						query.append(WHERE_LESSER_THAN_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN);
					}
					else {
						query.append(WHERE_LESSER_THAN);
					}
				}
			}

			query.append(ORDER_BY_CLAUSE);

			String[] orderByFields = orderByComparator.getOrderByFields();

			for (int i = 0; i < orderByFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByFields[i]);

				if ((i + 1) < orderByFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC_HAS_NEXT);
					}
					else {
						query.append(ORDER_BY_DESC_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC);
					}
					else {
						query.append(ORDER_BY_DESC);
					}
				}
			}
		}
		else {
			query.append(WallEntryModelImpl.ORDER_BY_JPQL);
		}

		String sql = query.toString();

		Query q = session.createQuery(sql);

		q.setFirstResult(0);
		q.setMaxResults(2);

		QueryPos qPos = QueryPos.getInstance(q);

		qPos.add(groupId);

		if (orderByComparator != null) {
			Object[] values = orderByComparator.getOrderByConditionValues(wallEntry);

			for (Object value : values) {
				qPos.add(value);
			}
		}

		List<WallEntry> list = q.list();

		if (list.size() == 2) {
			return list.get(1);
		}
		else {
			return null;
		}
	}

	/**
	 * Removes all the wall entries where groupId = ? from the database.
	 *
	 * @param groupId the group ID
	 */
	@Override
	public void removeByGroupId(long groupId) {
		for (WallEntry wallEntry : findByGroupId(groupId, QueryUtil.ALL_POS,
				QueryUtil.ALL_POS, null)) {
			remove(wallEntry);
		}
	}

	/**
	 * Returns the number of wall entries where groupId = ?.
	 *
	 * @param groupId the group ID
	 * @return the number of matching wall entries
	 */
	@Override
	public int countByGroupId(long groupId) {
		FinderPath finderPath = FINDER_PATH_COUNT_BY_GROUPID;

		Object[] finderArgs = new Object[] { groupId };

		Long count = (Long)finderCache.getResult(finderPath, finderArgs, this);

		if (count == null) {
			StringBundler query = new StringBundler(2);

			query.append(_SQL_COUNT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_GROUPID_GROUPID_2);

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				count = (Long)q.uniqueResult();

				finderCache.putResult(finderPath, finderArgs, count);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	private static final String _FINDER_COLUMN_GROUPID_GROUPID_2 = "wallEntry.groupId = ?";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_BY_USERID = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findByUserId",
			new String[] {
				Long.class.getName(),
				
			Integer.class.getName(), Integer.class.getName(),
				OrderByComparator.class.getName()
			});
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID =
		new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findByUserId",
			new String[] { Long.class.getName() },
			WallEntryModelImpl.USERID_COLUMN_BITMASK |
			WallEntryModelImpl.CREATEDATE_COLUMN_BITMASK);
	public static final FinderPath FINDER_PATH_COUNT_BY_USERID = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countByUserId",
			new String[] { Long.class.getName() });

	/**
	 * Returns all the wall entries where userId = ?.
	 *
	 * @param userId the user ID
	 * @return the matching wall entries
	 */
	@Override
	public List<WallEntry> findByUserId(long userId) {
		return findByUserId(userId, QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the wall entries where userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @return the range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByUserId(long userId, int start, int end) {
		return findByUserId(userId, start, end, null);
	}

	/**
	 * Returns an ordered range of all the wall entries where userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByUserId(long userId, int start, int end,
		OrderByComparator<WallEntry> orderByComparator) {
		return findByUserId(userId, start, end, orderByComparator, true);
	}

	/**
	 * Returns an ordered range of all the wall entries where userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByUserId(long userId, int start, int end,
		OrderByComparator<WallEntry> orderByComparator,
		boolean retrieveFromCache) {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID;
			finderArgs = new Object[] { userId };
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_BY_USERID;
			finderArgs = new Object[] { userId, start, end, orderByComparator };
		}

		List<WallEntry> list = null;

		if (retrieveFromCache) {
			list = (List<WallEntry>)finderCache.getResult(finderPath,
					finderArgs, this);

			if ((list != null) && !list.isEmpty()) {
				for (WallEntry wallEntry : list) {
					if ((userId != wallEntry.getUserId())) {
						list = null;

						break;
					}
				}
			}
		}

		if (list == null) {
			StringBundler query = null;

			if (orderByComparator != null) {
				query = new StringBundler(3 +
						(orderByComparator.getOrderByFields().length * 2));
			}
			else {
				query = new StringBundler(3);
			}

			query.append(_SQL_SELECT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_USERID_USERID_2);

			if (orderByComparator != null) {
				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);
			}
			else
			 if (pagination) {
				query.append(WallEntryModelImpl.ORDER_BY_JPQL);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(userId);

				if (!pagination) {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = Collections.unmodifiableList(list);
				}
				else {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				finderCache.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Returns the first wall entry in the ordered set where userId = ?.
	 *
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByUserId_First(long userId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByUserId_First(userId, orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(4);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("userId=");
		msg.append(userId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the first wall entry in the ordered set where userId = ?.
	 *
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByUserId_First(long userId,
		OrderByComparator<WallEntry> orderByComparator) {
		List<WallEntry> list = findByUserId(userId, 0, 1, orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the last wall entry in the ordered set where userId = ?.
	 *
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByUserId_Last(long userId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByUserId_Last(userId, orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(4);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("userId=");
		msg.append(userId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the last wall entry in the ordered set where userId = ?.
	 *
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByUserId_Last(long userId,
		OrderByComparator<WallEntry> orderByComparator) {
		int count = countByUserId(userId);

		if (count == 0) {
			return null;
		}

		List<WallEntry> list = findByUserId(userId, count - 1, count,
				orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the wall entries before and after the current wall entry in the ordered set where userId = ?.
	 *
	 * @param wallEntryId the primary key of the current wall entry
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the previous, current, and next wall entry
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry[] findByUserId_PrevAndNext(long wallEntryId, long userId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = findByPrimaryKey(wallEntryId);

		Session session = null;

		try {
			session = openSession();

			WallEntry[] array = new WallEntryImpl[3];

			array[0] = getByUserId_PrevAndNext(session, wallEntry, userId,
					orderByComparator, true);

			array[1] = wallEntry;

			array[2] = getByUserId_PrevAndNext(session, wallEntry, userId,
					orderByComparator, false);

			return array;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	protected WallEntry getByUserId_PrevAndNext(Session session,
		WallEntry wallEntry, long userId,
		OrderByComparator<WallEntry> orderByComparator, boolean previous) {
		StringBundler query = null;

		if (orderByComparator != null) {
			query = new StringBundler(4 +
					(orderByComparator.getOrderByConditionFields().length * 3) +
					(orderByComparator.getOrderByFields().length * 3));
		}
		else {
			query = new StringBundler(3);
		}

		query.append(_SQL_SELECT_WALLENTRY_WHERE);

		query.append(_FINDER_COLUMN_USERID_USERID_2);

		if (orderByComparator != null) {
			String[] orderByConditionFields = orderByComparator.getOrderByConditionFields();

			if (orderByConditionFields.length > 0) {
				query.append(WHERE_AND);
			}

			for (int i = 0; i < orderByConditionFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByConditionFields[i]);

				if ((i + 1) < orderByConditionFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN_HAS_NEXT);
					}
					else {
						query.append(WHERE_LESSER_THAN_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN);
					}
					else {
						query.append(WHERE_LESSER_THAN);
					}
				}
			}

			query.append(ORDER_BY_CLAUSE);

			String[] orderByFields = orderByComparator.getOrderByFields();

			for (int i = 0; i < orderByFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByFields[i]);

				if ((i + 1) < orderByFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC_HAS_NEXT);
					}
					else {
						query.append(ORDER_BY_DESC_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC);
					}
					else {
						query.append(ORDER_BY_DESC);
					}
				}
			}
		}
		else {
			query.append(WallEntryModelImpl.ORDER_BY_JPQL);
		}

		String sql = query.toString();

		Query q = session.createQuery(sql);

		q.setFirstResult(0);
		q.setMaxResults(2);

		QueryPos qPos = QueryPos.getInstance(q);

		qPos.add(userId);

		if (orderByComparator != null) {
			Object[] values = orderByComparator.getOrderByConditionValues(wallEntry);

			for (Object value : values) {
				qPos.add(value);
			}
		}

		List<WallEntry> list = q.list();

		if (list.size() == 2) {
			return list.get(1);
		}
		else {
			return null;
		}
	}

	/**
	 * Removes all the wall entries where userId = ? from the database.
	 *
	 * @param userId the user ID
	 */
	@Override
	public void removeByUserId(long userId) {
		for (WallEntry wallEntry : findByUserId(userId, QueryUtil.ALL_POS,
				QueryUtil.ALL_POS, null)) {
			remove(wallEntry);
		}
	}

	/**
	 * Returns the number of wall entries where userId = ?.
	 *
	 * @param userId the user ID
	 * @return the number of matching wall entries
	 */
	@Override
	public int countByUserId(long userId) {
		FinderPath finderPath = FINDER_PATH_COUNT_BY_USERID;

		Object[] finderArgs = new Object[] { userId };

		Long count = (Long)finderCache.getResult(finderPath, finderArgs, this);

		if (count == null) {
			StringBundler query = new StringBundler(2);

			query.append(_SQL_COUNT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_USERID_USERID_2);

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(userId);

				count = (Long)q.uniqueResult();

				finderCache.putResult(finderPath, finderArgs, count);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	private static final String _FINDER_COLUMN_USERID_USERID_2 = "wallEntry.userId = ?";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_BY_G_U = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findByG_U",
			new String[] {
				Long.class.getName(), Long.class.getName(),
				
			Integer.class.getName(), Integer.class.getName(),
				OrderByComparator.class.getName()
			});
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, WallEntryImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findByG_U",
			new String[] { Long.class.getName(), Long.class.getName() },
			WallEntryModelImpl.GROUPID_COLUMN_BITMASK |
			WallEntryModelImpl.USERID_COLUMN_BITMASK |
			WallEntryModelImpl.CREATEDATE_COLUMN_BITMASK);
	public static final FinderPath FINDER_PATH_COUNT_BY_G_U = new FinderPath(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countByG_U",
			new String[] { Long.class.getName(), Long.class.getName() });

	/**
	 * Returns all the wall entries where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @return the matching wall entries
	 */
	@Override
	public List<WallEntry> findByG_U(long groupId, long userId) {
		return findByG_U(groupId, userId, QueryUtil.ALL_POS, QueryUtil.ALL_POS,
			null);
	}

	/**
	 * Returns a range of all the wall entries where groupId = ? and userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @return the range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByG_U(long groupId, long userId, int start,
		int end) {
		return findByG_U(groupId, userId, start, end, null);
	}

	/**
	 * Returns an ordered range of all the wall entries where groupId = ? and userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByG_U(long groupId, long userId, int start,
		int end, OrderByComparator<WallEntry> orderByComparator) {
		return findByG_U(groupId, userId, start, end, orderByComparator, true);
	}

	/**
	 * Returns an ordered range of all the wall entries where groupId = ? and userId = ?.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the ordered range of matching wall entries
	 */
	@Override
	public List<WallEntry> findByG_U(long groupId, long userId, int start,
		int end, OrderByComparator<WallEntry> orderByComparator,
		boolean retrieveFromCache) {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U;
			finderArgs = new Object[] { groupId, userId };
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_BY_G_U;
			finderArgs = new Object[] {
					groupId, userId,
					
					start, end, orderByComparator
				};
		}

		List<WallEntry> list = null;

		if (retrieveFromCache) {
			list = (List<WallEntry>)finderCache.getResult(finderPath,
					finderArgs, this);

			if ((list != null) && !list.isEmpty()) {
				for (WallEntry wallEntry : list) {
					if ((groupId != wallEntry.getGroupId()) ||
							(userId != wallEntry.getUserId())) {
						list = null;

						break;
					}
				}
			}
		}

		if (list == null) {
			StringBundler query = null;

			if (orderByComparator != null) {
				query = new StringBundler(4 +
						(orderByComparator.getOrderByFields().length * 2));
			}
			else {
				query = new StringBundler(4);
			}

			query.append(_SQL_SELECT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_G_U_GROUPID_2);

			query.append(_FINDER_COLUMN_G_U_USERID_2);

			if (orderByComparator != null) {
				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);
			}
			else
			 if (pagination) {
				query.append(WallEntryModelImpl.ORDER_BY_JPQL);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				qPos.add(userId);

				if (!pagination) {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = Collections.unmodifiableList(list);
				}
				else {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				finderCache.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Returns the first wall entry in the ordered set where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByG_U_First(long groupId, long userId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByG_U_First(groupId, userId,
				orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(6);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("groupId=");
		msg.append(groupId);

		msg.append(", userId=");
		msg.append(userId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the first wall entry in the ordered set where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the first matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByG_U_First(long groupId, long userId,
		OrderByComparator<WallEntry> orderByComparator) {
		List<WallEntry> list = findByG_U(groupId, userId, 0, 1,
				orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the last wall entry in the ordered set where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry
	 * @throws NoSuchWallEntryException if a matching wall entry could not be found
	 */
	@Override
	public WallEntry findByG_U_Last(long groupId, long userId,
		OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByG_U_Last(groupId, userId, orderByComparator);

		if (wallEntry != null) {
			return wallEntry;
		}

		StringBundler msg = new StringBundler(6);

		msg.append(_NO_SUCH_ENTITY_WITH_KEY);

		msg.append("groupId=");
		msg.append(groupId);

		msg.append(", userId=");
		msg.append(userId);

		msg.append(StringPool.CLOSE_CURLY_BRACE);

		throw new NoSuchWallEntryException(msg.toString());
	}

	/**
	 * Returns the last wall entry in the ordered set where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the last matching wall entry, or <code>null</code> if a matching wall entry could not be found
	 */
	@Override
	public WallEntry fetchByG_U_Last(long groupId, long userId,
		OrderByComparator<WallEntry> orderByComparator) {
		int count = countByG_U(groupId, userId);

		if (count == 0) {
			return null;
		}

		List<WallEntry> list = findByG_U(groupId, userId, count - 1, count,
				orderByComparator);

		if (!list.isEmpty()) {
			return list.get(0);
		}

		return null;
	}

	/**
	 * Returns the wall entries before and after the current wall entry in the ordered set where groupId = ? and userId = ?.
	 *
	 * @param wallEntryId the primary key of the current wall entry
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
	 * @return the previous, current, and next wall entry
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry[] findByG_U_PrevAndNext(long wallEntryId, long groupId,
		long userId, OrderByComparator<WallEntry> orderByComparator)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = findByPrimaryKey(wallEntryId);

		Session session = null;

		try {
			session = openSession();

			WallEntry[] array = new WallEntryImpl[3];

			array[0] = getByG_U_PrevAndNext(session, wallEntry, groupId,
					userId, orderByComparator, true);

			array[1] = wallEntry;

			array[2] = getByG_U_PrevAndNext(session, wallEntry, groupId,
					userId, orderByComparator, false);

			return array;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	protected WallEntry getByG_U_PrevAndNext(Session session,
		WallEntry wallEntry, long groupId, long userId,
		OrderByComparator<WallEntry> orderByComparator, boolean previous) {
		StringBundler query = null;

		if (orderByComparator != null) {
			query = new StringBundler(5 +
					(orderByComparator.getOrderByConditionFields().length * 3) +
					(orderByComparator.getOrderByFields().length * 3));
		}
		else {
			query = new StringBundler(4);
		}

		query.append(_SQL_SELECT_WALLENTRY_WHERE);

		query.append(_FINDER_COLUMN_G_U_GROUPID_2);

		query.append(_FINDER_COLUMN_G_U_USERID_2);

		if (orderByComparator != null) {
			String[] orderByConditionFields = orderByComparator.getOrderByConditionFields();

			if (orderByConditionFields.length > 0) {
				query.append(WHERE_AND);
			}

			for (int i = 0; i < orderByConditionFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByConditionFields[i]);

				if ((i + 1) < orderByConditionFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN_HAS_NEXT);
					}
					else {
						query.append(WHERE_LESSER_THAN_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN);
					}
					else {
						query.append(WHERE_LESSER_THAN);
					}
				}
			}

			query.append(ORDER_BY_CLAUSE);

			String[] orderByFields = orderByComparator.getOrderByFields();

			for (int i = 0; i < orderByFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByFields[i]);

				if ((i + 1) < orderByFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC_HAS_NEXT);
					}
					else {
						query.append(ORDER_BY_DESC_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC);
					}
					else {
						query.append(ORDER_BY_DESC);
					}
				}
			}
		}
		else {
			query.append(WallEntryModelImpl.ORDER_BY_JPQL);
		}

		String sql = query.toString();

		Query q = session.createQuery(sql);

		q.setFirstResult(0);
		q.setMaxResults(2);

		QueryPos qPos = QueryPos.getInstance(q);

		qPos.add(groupId);

		qPos.add(userId);

		if (orderByComparator != null) {
			Object[] values = orderByComparator.getOrderByConditionValues(wallEntry);

			for (Object value : values) {
				qPos.add(value);
			}
		}

		List<WallEntry> list = q.list();

		if (list.size() == 2) {
			return list.get(1);
		}
		else {
			return null;
		}
	}

	/**
	 * Removes all the wall entries where groupId = ? and userId = ? from the database.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 */
	@Override
	public void removeByG_U(long groupId, long userId) {
		for (WallEntry wallEntry : findByG_U(groupId, userId,
				QueryUtil.ALL_POS, QueryUtil.ALL_POS, null)) {
			remove(wallEntry);
		}
	}

	/**
	 * Returns the number of wall entries where groupId = ? and userId = ?.
	 *
	 * @param groupId the group ID
	 * @param userId the user ID
	 * @return the number of matching wall entries
	 */
	@Override
	public int countByG_U(long groupId, long userId) {
		FinderPath finderPath = FINDER_PATH_COUNT_BY_G_U;

		Object[] finderArgs = new Object[] { groupId, userId };

		Long count = (Long)finderCache.getResult(finderPath, finderArgs, this);

		if (count == null) {
			StringBundler query = new StringBundler(3);

			query.append(_SQL_COUNT_WALLENTRY_WHERE);

			query.append(_FINDER_COLUMN_G_U_GROUPID_2);

			query.append(_FINDER_COLUMN_G_U_USERID_2);

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				qPos.add(userId);

				count = (Long)q.uniqueResult();

				finderCache.putResult(finderPath, finderArgs, count);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	private static final String _FINDER_COLUMN_G_U_GROUPID_2 = "wallEntry.groupId = ? AND ";
	private static final String _FINDER_COLUMN_G_U_USERID_2 = "wallEntry.userId = ?";

	public WallEntryPersistenceImpl() {
		setModelClass(WallEntry.class);
	}

	/**
	 * Caches the wall entry in the entity cache if it is enabled.
	 *
	 * @param wallEntry the wall entry
	 */
	@Override
	public void cacheResult(WallEntry wallEntry) {
		entityCache.putResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryImpl.class, wallEntry.getPrimaryKey(), wallEntry);

		wallEntry.resetOriginalValues();
	}

	/**
	 * Caches the wall entries in the entity cache if it is enabled.
	 *
	 * @param wallEntries the wall entries
	 */
	@Override
	public void cacheResult(List<WallEntry> wallEntries) {
		for (WallEntry wallEntry : wallEntries) {
			if (entityCache.getResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
						WallEntryImpl.class, wallEntry.getPrimaryKey()) == null) {
				cacheResult(wallEntry);
			}
			else {
				wallEntry.resetOriginalValues();
			}
		}
	}

	/**
	 * Clears the cache for all wall entries.
	 *
	 * <p>
	 * The {@link EntityCache} and {@link FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache() {
		entityCache.clearCache(WallEntryImpl.class);

		finderCache.clearCache(FINDER_CLASS_NAME_ENTITY);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	/**
	 * Clears the cache for the wall entry.
	 *
	 * <p>
	 * The {@link EntityCache} and {@link FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache(WallEntry wallEntry) {
		entityCache.removeResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryImpl.class, wallEntry.getPrimaryKey());

		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	@Override
	public void clearCache(List<WallEntry> wallEntries) {
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);

		for (WallEntry wallEntry : wallEntries) {
			entityCache.removeResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
				WallEntryImpl.class, wallEntry.getPrimaryKey());
		}
	}

	/**
	 * Creates a new wall entry with the primary key. Does not add the wall entry to the database.
	 *
	 * @param wallEntryId the primary key for the new wall entry
	 * @return the new wall entry
	 */
	@Override
	public WallEntry create(long wallEntryId) {
		WallEntry wallEntry = new WallEntryImpl();

		wallEntry.setNew(true);
		wallEntry.setPrimaryKey(wallEntryId);

		wallEntry.setCompanyId(companyProvider.getCompanyId());

		return wallEntry;
	}

	/**
	 * Removes the wall entry with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param wallEntryId the primary key of the wall entry
	 * @return the wall entry that was removed
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry remove(long wallEntryId) throws NoSuchWallEntryException {
		return remove((Serializable)wallEntryId);
	}

	/**
	 * Removes the wall entry with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param primaryKey the primary key of the wall entry
	 * @return the wall entry that was removed
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry remove(Serializable primaryKey)
		throws NoSuchWallEntryException {
		Session session = null;

		try {
			session = openSession();

			WallEntry wallEntry = (WallEntry)session.get(WallEntryImpl.class,
					primaryKey);

			if (wallEntry == null) {
				if (_log.isDebugEnabled()) {
					_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
				}

				throw new NoSuchWallEntryException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
					primaryKey);
			}

			return remove(wallEntry);
		}
		catch (NoSuchWallEntryException nsee) {
			throw nsee;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	@Override
	protected WallEntry removeImpl(WallEntry wallEntry) {
		wallEntry = toUnwrappedModel(wallEntry);

		Session session = null;

		try {
			session = openSession();

			if (!session.contains(wallEntry)) {
				wallEntry = (WallEntry)session.get(WallEntryImpl.class,
						wallEntry.getPrimaryKeyObj());
			}

			if (wallEntry != null) {
				session.delete(wallEntry);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		if (wallEntry != null) {
			clearCache(wallEntry);
		}

		return wallEntry;
	}

	@Override
	public WallEntry updateImpl(WallEntry wallEntry) {
		wallEntry = toUnwrappedModel(wallEntry);

		boolean isNew = wallEntry.isNew();

		WallEntryModelImpl wallEntryModelImpl = (WallEntryModelImpl)wallEntry;

		ServiceContext serviceContext = ServiceContextThreadLocal.getServiceContext();

		Date now = new Date();

		if (isNew && (wallEntry.getCreateDate() == null)) {
			if (serviceContext == null) {
				wallEntry.setCreateDate(now);
			}
			else {
				wallEntry.setCreateDate(serviceContext.getCreateDate(now));
			}
		}

		if (!wallEntryModelImpl.hasSetModifiedDate()) {
			if (serviceContext == null) {
				wallEntry.setModifiedDate(now);
			}
			else {
				wallEntry.setModifiedDate(serviceContext.getModifiedDate(now));
			}
		}

		Session session = null;

		try {
			session = openSession();

			if (wallEntry.isNew()) {
				session.save(wallEntry);

				wallEntry.setNew(false);
			}
			else {
				wallEntry = (WallEntry)session.merge(wallEntry);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);

		if (!WallEntryModelImpl.COLUMN_BITMASK_ENABLED) {
			finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
		}
		else
		 if (isNew) {
			Object[] args = new Object[] { wallEntryModelImpl.getGroupId() };

			finderCache.removeResult(FINDER_PATH_COUNT_BY_GROUPID, args);
			finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID,
				args);

			args = new Object[] { wallEntryModelImpl.getUserId() };

			finderCache.removeResult(FINDER_PATH_COUNT_BY_USERID, args);
			finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID,
				args);

			args = new Object[] {
					wallEntryModelImpl.getGroupId(),
					wallEntryModelImpl.getUserId()
				};

			finderCache.removeResult(FINDER_PATH_COUNT_BY_G_U, args);
			finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U,
				args);

			finderCache.removeResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY);
			finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL,
				FINDER_ARGS_EMPTY);
		}

		else {
			if ((wallEntryModelImpl.getColumnBitmask() &
					FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID.getColumnBitmask()) != 0) {
				Object[] args = new Object[] {
						wallEntryModelImpl.getOriginalGroupId()
					};

				finderCache.removeResult(FINDER_PATH_COUNT_BY_GROUPID, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID,
					args);

				args = new Object[] { wallEntryModelImpl.getGroupId() };

				finderCache.removeResult(FINDER_PATH_COUNT_BY_GROUPID, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_GROUPID,
					args);
			}

			if ((wallEntryModelImpl.getColumnBitmask() &
					FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID.getColumnBitmask()) != 0) {
				Object[] args = new Object[] {
						wallEntryModelImpl.getOriginalUserId()
					};

				finderCache.removeResult(FINDER_PATH_COUNT_BY_USERID, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID,
					args);

				args = new Object[] { wallEntryModelImpl.getUserId() };

				finderCache.removeResult(FINDER_PATH_COUNT_BY_USERID, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_USERID,
					args);
			}

			if ((wallEntryModelImpl.getColumnBitmask() &
					FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U.getColumnBitmask()) != 0) {
				Object[] args = new Object[] {
						wallEntryModelImpl.getOriginalGroupId(),
						wallEntryModelImpl.getOriginalUserId()
					};

				finderCache.removeResult(FINDER_PATH_COUNT_BY_G_U, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U,
					args);

				args = new Object[] {
						wallEntryModelImpl.getGroupId(),
						wallEntryModelImpl.getUserId()
					};

				finderCache.removeResult(FINDER_PATH_COUNT_BY_G_U, args);
				finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_BY_G_U,
					args);
			}
		}

		entityCache.putResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
			WallEntryImpl.class, wallEntry.getPrimaryKey(), wallEntry, false);

		wallEntry.resetOriginalValues();

		return wallEntry;
	}

	protected WallEntry toUnwrappedModel(WallEntry wallEntry) {
		if (wallEntry instanceof WallEntryImpl) {
			return wallEntry;
		}

		WallEntryImpl wallEntryImpl = new WallEntryImpl();

		wallEntryImpl.setNew(wallEntry.isNew());
		wallEntryImpl.setPrimaryKey(wallEntry.getPrimaryKey());

		wallEntryImpl.setWallEntryId(wallEntry.getWallEntryId());
		wallEntryImpl.setGroupId(wallEntry.getGroupId());
		wallEntryImpl.setCompanyId(wallEntry.getCompanyId());
		wallEntryImpl.setUserId(wallEntry.getUserId());
		wallEntryImpl.setUserName(wallEntry.getUserName());
		wallEntryImpl.setCreateDate(wallEntry.getCreateDate());
		wallEntryImpl.setModifiedDate(wallEntry.getModifiedDate());
		wallEntryImpl.setComments(wallEntry.getComments());

		return wallEntryImpl;
	}

	/**
	 * Returns the wall entry with the primary key or throws a {@link com.liferay.portal.kernel.exception.NoSuchModelException} if it could not be found.
	 *
	 * @param primaryKey the primary key of the wall entry
	 * @return the wall entry
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry findByPrimaryKey(Serializable primaryKey)
		throws NoSuchWallEntryException {
		WallEntry wallEntry = fetchByPrimaryKey(primaryKey);

		if (wallEntry == null) {
			if (_log.isDebugEnabled()) {
				_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
			}

			throw new NoSuchWallEntryException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
				primaryKey);
		}

		return wallEntry;
	}

	/**
	 * Returns the wall entry with the primary key or throws a {@link NoSuchWallEntryException} if it could not be found.
	 *
	 * @param wallEntryId the primary key of the wall entry
	 * @return the wall entry
	 * @throws NoSuchWallEntryException if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry findByPrimaryKey(long wallEntryId)
		throws NoSuchWallEntryException {
		return findByPrimaryKey((Serializable)wallEntryId);
	}

	/**
	 * Returns the wall entry with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param primaryKey the primary key of the wall entry
	 * @return the wall entry, or <code>null</code> if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry fetchByPrimaryKey(Serializable primaryKey) {
		Serializable serializable = entityCache.getResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
				WallEntryImpl.class, primaryKey);

		if (serializable == nullModel) {
			return null;
		}

		WallEntry wallEntry = (WallEntry)serializable;

		if (wallEntry == null) {
			Session session = null;

			try {
				session = openSession();

				wallEntry = (WallEntry)session.get(WallEntryImpl.class,
						primaryKey);

				if (wallEntry != null) {
					cacheResult(wallEntry);
				}
				else {
					entityCache.putResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
						WallEntryImpl.class, primaryKey, nullModel);
				}
			}
			catch (Exception e) {
				entityCache.removeResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
					WallEntryImpl.class, primaryKey);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return wallEntry;
	}

	/**
	 * Returns the wall entry with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param wallEntryId the primary key of the wall entry
	 * @return the wall entry, or <code>null</code> if a wall entry with the primary key could not be found
	 */
	@Override
	public WallEntry fetchByPrimaryKey(long wallEntryId) {
		return fetchByPrimaryKey((Serializable)wallEntryId);
	}

	@Override
	public Map<Serializable, WallEntry> fetchByPrimaryKeys(
		Set<Serializable> primaryKeys) {
		if (primaryKeys.isEmpty()) {
			return Collections.emptyMap();
		}

		Map<Serializable, WallEntry> map = new HashMap<Serializable, WallEntry>();

		if (primaryKeys.size() == 1) {
			Iterator<Serializable> iterator = primaryKeys.iterator();

			Serializable primaryKey = iterator.next();

			WallEntry wallEntry = fetchByPrimaryKey(primaryKey);

			if (wallEntry != null) {
				map.put(primaryKey, wallEntry);
			}

			return map;
		}

		Set<Serializable> uncachedPrimaryKeys = null;

		for (Serializable primaryKey : primaryKeys) {
			Serializable serializable = entityCache.getResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
					WallEntryImpl.class, primaryKey);

			if (serializable != nullModel) {
				if (serializable == null) {
					if (uncachedPrimaryKeys == null) {
						uncachedPrimaryKeys = new HashSet<Serializable>();
					}

					uncachedPrimaryKeys.add(primaryKey);
				}
				else {
					map.put(primaryKey, (WallEntry)serializable);
				}
			}
		}

		if (uncachedPrimaryKeys == null) {
			return map;
		}

		StringBundler query = new StringBundler((uncachedPrimaryKeys.size() * 2) +
				1);

		query.append(_SQL_SELECT_WALLENTRY_WHERE_PKS_IN);

		for (Serializable primaryKey : uncachedPrimaryKeys) {
			query.append((long)primaryKey);

			query.append(StringPool.COMMA);
		}

		query.setIndex(query.index() - 1);

		query.append(StringPool.CLOSE_PARENTHESIS);

		String sql = query.toString();

		Session session = null;

		try {
			session = openSession();

			Query q = session.createQuery(sql);

			for (WallEntry wallEntry : (List<WallEntry>)q.list()) {
				map.put(wallEntry.getPrimaryKeyObj(), wallEntry);

				cacheResult(wallEntry);

				uncachedPrimaryKeys.remove(wallEntry.getPrimaryKeyObj());
			}

			for (Serializable primaryKey : uncachedPrimaryKeys) {
				entityCache.putResult(WallEntryModelImpl.ENTITY_CACHE_ENABLED,
					WallEntryImpl.class, primaryKey, nullModel);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		return map;
	}

	/**
	 * Returns all the wall entries.
	 *
	 * @return the wall entries
	 */
	@Override
	public List<WallEntry> findAll() {
		return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the wall entries.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @return the range of wall entries
	 */
	@Override
	public List<WallEntry> findAll(int start, int end) {
		return findAll(start, end, null);
	}

	/**
	 * Returns an ordered range of all the wall entries.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of wall entries
	 */
	@Override
	public List<WallEntry> findAll(int start, int end,
		OrderByComparator<WallEntry> orderByComparator) {
		return findAll(start, end, orderByComparator, true);
	}

	/**
	 * Returns an ordered range of all the wall entries.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link WallEntryModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of wall entries
	 * @param end the upper bound of the range of wall entries (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the ordered range of wall entries
	 */
	@Override
	public List<WallEntry> findAll(int start, int end,
		OrderByComparator<WallEntry> orderByComparator,
		boolean retrieveFromCache) {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL;
			finderArgs = FINDER_ARGS_EMPTY;
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_ALL;
			finderArgs = new Object[] { start, end, orderByComparator };
		}

		List<WallEntry> list = null;

		if (retrieveFromCache) {
			list = (List<WallEntry>)finderCache.getResult(finderPath,
					finderArgs, this);
		}

		if (list == null) {
			StringBundler query = null;
			String sql = null;

			if (orderByComparator != null) {
				query = new StringBundler(2 +
						(orderByComparator.getOrderByFields().length * 2));

				query.append(_SQL_SELECT_WALLENTRY);

				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);

				sql = query.toString();
			}
			else {
				sql = _SQL_SELECT_WALLENTRY;

				if (pagination) {
					sql = sql.concat(WallEntryModelImpl.ORDER_BY_JPQL);
				}
			}

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				if (!pagination) {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = Collections.unmodifiableList(list);
				}
				else {
					list = (List<WallEntry>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				finderCache.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Removes all the wall entries from the database.
	 *
	 */
	@Override
	public void removeAll() {
		for (WallEntry wallEntry : findAll()) {
			remove(wallEntry);
		}
	}

	/**
	 * Returns the number of wall entries.
	 *
	 * @return the number of wall entries
	 */
	@Override
	public int countAll() {
		Long count = (Long)finderCache.getResult(FINDER_PATH_COUNT_ALL,
				FINDER_ARGS_EMPTY, this);

		if (count == null) {
			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(_SQL_COUNT_WALLENTRY);

				count = (Long)q.uniqueResult();

				finderCache.putResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY,
					count);
			}
			catch (Exception e) {
				finderCache.removeResult(FINDER_PATH_COUNT_ALL,
					FINDER_ARGS_EMPTY);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	@Override
	protected Map<String, Integer> getTableColumnsMap() {
		return WallEntryModelImpl.TABLE_COLUMNS_MAP;
	}

	/**
	 * Initializes the wall entry persistence.
	 */
	public void afterPropertiesSet() {
	}

	public void destroy() {
		entityCache.removeCache(WallEntryImpl.class.getName());
		finderCache.removeCache(FINDER_CLASS_NAME_ENTITY);
		finderCache.removeCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.removeCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	@ServiceReference(type = CompanyProviderWrapper.class)
	protected CompanyProvider companyProvider;
	@ServiceReference(type = EntityCache.class)
	protected EntityCache entityCache;
	@ServiceReference(type = FinderCache.class)
	protected FinderCache finderCache;
	private static final String _SQL_SELECT_WALLENTRY = "SELECT wallEntry FROM WallEntry wallEntry";
	private static final String _SQL_SELECT_WALLENTRY_WHERE_PKS_IN = "SELECT wallEntry FROM WallEntry wallEntry WHERE wallEntryId IN (";
	private static final String _SQL_SELECT_WALLENTRY_WHERE = "SELECT wallEntry FROM WallEntry wallEntry WHERE ";
	private static final String _SQL_COUNT_WALLENTRY = "SELECT COUNT(wallEntry) FROM WallEntry wallEntry";
	private static final String _SQL_COUNT_WALLENTRY_WHERE = "SELECT COUNT(wallEntry) FROM WallEntry wallEntry WHERE ";
	private static final String _ORDER_BY_ENTITY_ALIAS = "wallEntry.";
	private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No WallEntry exists with the primary key ";
	private static final String _NO_SUCH_ENTITY_WITH_KEY = "No WallEntry exists with the key {";
	private static final Log _log = LogFactoryUtil.getLog(WallEntryPersistenceImpl.class);
}