ApplicationSettingsDaoImpl.java

/*******************************************************************************
 * Copyright 2012 Christian Ternes and Thorsten Volland
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.businessmanager.dao.settings;

import java.util.List;

import org.apache.commons.lang.Validate;
import org.businessmanager.dao.GenericDaoImpl;
import org.businessmanager.domain.settings.ApplicationSetting;
import org.businessmanager.domain.settings.ApplicationSetting.Group;
import org.businessmanager.domain.settings.ApplicationSetting_;
import org.businessmanager.domain.settings.QApplicationSetting;
import org.businessmanager.util.QueryUtil;
import org.springframework.stereotype.Repository;

import com.mysema.query.jpa.impl.JPAQuery;

@Repository
public class ApplicationSettingsDaoImpl extends
		GenericDaoImpl<ApplicationSetting> implements ApplicationSettingsDao {

	@Override
	public List<ApplicationSetting> findAll() {
		return findAll(ApplicationSetting_.id, true);
	}

	@Override
	public Class<ApplicationSetting> getPersistenceClass() {
		return ApplicationSetting.class;
	}

	@Override
	public ApplicationSetting getApplicationSettingByKey(Group group,
			String key, String username) {
		
		Validate.notNull(group);
		
		JPAQuery query = new JPAQuery(getEntityManager());
		QApplicationSetting setting = QApplicationSetting.applicationSetting;
		query.from(setting).where(
				setting.paramKey.eq(key).and(setting.paramGroup.eq(group)));

		if (username == null) {
			query.where(setting.username.isNull());
		} else {
			query.where(setting.username.eq(username));
		}

		return QueryUtil.getFirstResult(query, setting);
	}

	@Override
	public List<ApplicationSetting> getApplicationSettingsByGroup(Group group) {
		Validate.notNull(group);
		
		JPAQuery query = new JPAQuery(getEntityManager());
		QApplicationSetting setting = QApplicationSetting.applicationSetting;
		query.from(setting).where(setting.paramGroup.eq(group));

		List<ApplicationSetting> list = query.list(setting);

		return list;
	}

}