/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.storage.jdbc.db;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.datamodel.ValueData;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.jcr.impl.dataflow.ValueDataUtil;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCDataContainerConfig;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCStorageConnection;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.List;
import javax.jcr.RepositoryException;
/**
* Single database connection implementation.
*
* Created by The eXo Platform SAS. <br>
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady
* Azarenkov</a>
* @version $Id: MultiDbJDBCConnection.java 20950 2008-10-06 14:23:07Z
* pnedonosko $
*/
public class MultiDbJDBCConnection extends JDBCStorageConnection
{
/**
* Multidatabase JDBC Connection constructor.
*
* @param dbConnection
* JDBC connection, should be opened before
* @param readOnly
* boolean if true the dbConnection was marked as READ-ONLY.
* @param containerConfig
* Workspace Storage Container configuration
*/
public MultiDbJDBCConnection(Connection dbConnection, boolean readOnly, JDBCDataContainerConfig containerConfig)
throws SQLException
{
super(dbConnection, readOnly, containerConfig);
}
/**
* {@inheritDoc}
*/
@Override
protected String getIdentifier(final String internalId)
{
return internalId;
}
/**
* {@inheritDoc}
*/
@Override
protected String getInternalId(final String identifier)
{
return identifier;
}
/**
* {@inheritDoc}
*/
@Override
protected void prepareQueries() throws SQLException
{
FIND_ITEM_BY_ID = "select * from " + JCR_ITEM + " where ID=?";
FIND_ITEM_BY_NAME =
"select * from " + JCR_ITEM + " where PARENT_ID=? and NAME=? and I_INDEX=? order by I_CLASS, VERSION DESC";
FIND_PROPERTY_BY_NAME =
"select V.DATA" + " from " + JCR_ITEM + " I, " + JCR_VALUE + " V"
+ " where I.I_CLASS=2 and I.PARENT_ID=? and I.NAME=? and I.ID=V.PROPERTY_ID order by V.ORDER_NUM";
FIND_REFERENCES =
"select P.ID, P.PARENT_ID, P.VERSION, P.P_TYPE, P.P_MULTIVALUED, P.NAME" + " from " + JCR_REF + " R, "
+ JCR_ITEM + " P" + " where R.NODE_ID=? and P.ID=R.PROPERTY_ID and P.I_CLASS=2";
FIND_VALUES_BY_PROPERTYID =
"select PROPERTY_ID, ORDER_NUM, DATA, STORAGE_DESC from " + JCR_VALUE
+ " where PROPERTY_ID=? order by ORDER_NUM";
FIND_NODES_BY_PARENTID =
"select * from " + JCR_ITEM + " where I_CLASS=1 and PARENT_ID=?" + " order by N_ORDER_NUM";
FIND_LAST_ORDER_NUMBER_BY_PARENTID =
"select count(*), max(N_ORDER_NUM) from " + JCR_ITEM + " where I_CLASS=1 and PARENT_ID=?";
FIND_NODES_COUNT_BY_PARENTID = "select count(ID) from " + JCR_ITEM + " where I_CLASS=1 and PARENT_ID=?";
FIND_PROPERTIES_BY_PARENTID = "select * from " + JCR_ITEM + " where I_CLASS=2 and PARENT_ID=?" + " order by ID";
FIND_MAX_PROPERTY_VERSIONS =
"select max(VERSION) FROM " + JCR_ITEM + " WHERE PARENT_ID=? and NAME=? and I_INDEX=? and I_CLASS=2";
INSERT_NODE =
"insert into " + JCR_ITEM + "(ID, PARENT_ID, NAME, VERSION, I_CLASS, I_INDEX, N_ORDER_NUM) VALUES(?,?,?,?,"
+ I_CLASS_NODE + ",?,?)";
INSERT_PROPERTY =
"insert into " + JCR_ITEM
+ "(ID, PARENT_ID, NAME, VERSION, I_CLASS, I_INDEX, P_TYPE, P_MULTIVALUED) VALUES(?,?,?,?,"
+ I_CLASS_PROPERTY + ",?,?,?)";
INSERT_VALUE = "insert into " + JCR_VALUE + "(DATA, ORDER_NUM, PROPERTY_ID, STORAGE_DESC) VALUES(?,?,?,?)";
INSERT_REF = "insert into " + JCR_REF + "(NODE_ID, PROPERTY_ID, ORDER_NUM) VALUES(?,?,?)";
RENAME_NODE =
"update " + JCR_ITEM + " set PARENT_ID=?, NAME =?, VERSION=?, I_INDEX =?, N_ORDER_NUM =? where ID=?";
UPDATE_NODE = "update " + JCR_ITEM + " set VERSION=?, I_INDEX=?, N_ORDER_NUM=? where ID=?";
UPDATE_PROPERTY = "update " + JCR_ITEM + " set VERSION=?, P_TYPE=? where ID=?";
//UPDATE_VALUE = "update "+JCR_VALUE+" set DATA=?, STORAGE_DESC=? where PROPERTY_ID=?, ORDER_NUM=?";
DELETE_ITEM = "delete from " + JCR_ITEM + " where ID=?";
DELETE_VALUE = "delete from " + JCR_VALUE + " where PROPERTY_ID=?";
DELETE_REF = "delete from " + JCR_REF + " where PROPERTY_ID=?";
FIND_NODES_COUNT = "select count(*) from " + JCR_ITEM + " I where I.I_CLASS=1";
FIND_WORKSPACE_DATA_SIZE = "select sum(length(DATA)) from " + JCR_VALUE;
FIND_WORKSPACE_PROPERTIES_ON_VALUE_STORAGE =
"select PROPERTY_ID, STORAGE_DESC, ORDER_NUM from " + JCR_VALUE + " where STORAGE_DESC is not null";
FIND_NODE_DATA_SIZE =
"select sum(length(DATA)) from " + JCR_ITEM + " I, " + JCR_VALUE
+ " V where I.PARENT_ID=? and I.I_CLASS=2 and I.ID=V.PROPERTY_ID";
FIND_NODE_PROPERTIES_ON_VALUE_STORAGE =
"select V.PROPERTY_ID, V.STORAGE_DESC, V.ORDER_NUM from " + JCR_ITEM + " I, " + JCR_VALUE + " V "
+ "where I.PARENT_ID=? and I.I_CLASS=2 and I.ID=V.PROPERTY_ID and V.STORAGE_DESC is not null";
FIND_VALUE_STORAGE_DESC_AND_SIZE = "select length(DATA), STORAGE_DESC from " + JCR_VALUE + " where PROPERTY_ID=?";
}
/**
* {@inheritDoc}
*/
@Override
protected int addNodeRecord(NodeData data) throws SQLException
{
if (insertNode == null)
{
insertNode = dbConnection.prepareStatement(INSERT_NODE);
}
else
{
insertNode.clearParameters();
}
insertNode.setString(1, data.getIdentifier());
insertNode.setString(2,
data.getParentIdentifier() == null ? Constants.ROOT_PARENT_UUID : data.getParentIdentifier());
insertNode.setString(3, data.getQPath().getName().getAsString());
insertNode.setInt(4, data.getPersistedVersion());
insertNode.setInt(5, data.getQPath().getIndex());
insertNode.setInt(6, data.getOrderNumber());
return insertNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int addPropertyRecord(PropertyData data) throws SQLException
{
if (insertProperty == null)
{
insertProperty = dbConnection.prepareStatement(INSERT_PROPERTY);
}
else
{
insertProperty.clearParameters();
}
insertProperty.setString(1, data.getIdentifier());
insertProperty.setString(2, data.getParentIdentifier());
insertProperty.setString(3, data.getQPath().getName().getAsString());
insertProperty.setInt(4, data.getPersistedVersion());
insertProperty.setInt(5, data.getQPath().getIndex());
insertProperty.setInt(6, data.getType());
insertProperty.setBoolean(7, data.isMultiValued());
return insertProperty.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int addReference(PropertyData data) throws SQLException, IOException
{
if (insertReference == null)
{
insertReference = dbConnection.prepareStatement(INSERT_REF);
}
else
{
insertReference.clearParameters();
}
if (data.getQPath().getAsString().indexOf("versionableUuid") > 0)
{
LOG.info("add ref versionableUuid " + data.getQPath().getAsString());
}
List<ValueData> values = data.getValues();
int added = 0;
for (int i = 0; i < values.size(); i++)
{
ValueData vdata = values.get(i);
String refNodeIdentifier;
try
{
refNodeIdentifier = ValueDataUtil.getString(vdata);
}
catch (RepositoryException e)
{
throw new IOException(e.getMessage(), e);
}
insertReference.setString(1, refNodeIdentifier);
insertReference.setString(2, data.getIdentifier());
insertReference.setInt(3, i);
added += insertReference.executeUpdate();
}
return added;
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteReference(String propertyIdentifier) throws SQLException
{
if (deleteReference == null)
{
deleteReference = dbConnection.prepareStatement(DELETE_REF);
}
else
{
deleteReference.clearParameters();
}
deleteReference.setString(1, propertyIdentifier);
return deleteReference.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteItemByIdentifier(String identifier) throws SQLException
{
if (deleteItem == null)
{
deleteItem = dbConnection.prepareStatement(DELETE_ITEM);
}
else
{
deleteItem.clearParameters();
}
deleteItem.setString(1, identifier);
return deleteItem.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int updateNodeByIdentifier(int version, int index, int orderNumb, String identifier) throws SQLException
{
if (updateNode == null)
{
updateNode = dbConnection.prepareStatement(UPDATE_NODE);
}
else
{
updateNode.clearParameters();
}
updateNode.setInt(1, version);
updateNode.setInt(2, index);
updateNode.setInt(3, orderNumb);
updateNode.setString(4, identifier);
return updateNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int updatePropertyByIdentifier(int version, int type, String identifier) throws SQLException
{
if (updateProperty == null)
{
updateProperty = dbConnection.prepareStatement(UPDATE_PROPERTY);
}
else
{
updateProperty.clearParameters();
}
updateProperty.setInt(1, version);
updateProperty.setInt(2, type);
updateProperty.setString(3, identifier);
return updateProperty.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findItemByName(String parentId, String name, int index) throws SQLException
{
if (findItemByName == null)
{
findItemByName = dbConnection.prepareStatement(FIND_ITEM_BY_NAME);
}
else
{
findItemByName.clearParameters();
}
findItemByName.setString(1, parentId);
findItemByName.setString(2, name);
findItemByName.setInt(3, index);
return findItemByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findPropertyByName(String parentId, String name) throws SQLException
{
if (findPropertyByName == null)
{
findPropertyByName = dbConnection.prepareStatement(FIND_PROPERTY_BY_NAME);
}
else
{
findPropertyByName.clearParameters();
}
findPropertyByName.setString(1, parentId);
findPropertyByName.setString(2, name);
return findPropertyByName.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findItemByIdentifier(String identifier) throws SQLException
{
if (findItemById == null)
{
findItemById = dbConnection.prepareStatement(FIND_ITEM_BY_ID);
}
else
{
findItemById.clearParameters();
}
findItemById.setString(1, identifier);
return findItemById.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findReferences(String nodeIdentifier) throws SQLException
{
if (findReferences == null)
{
findReferences = dbConnection.prepareStatement(FIND_REFERENCES);
}
else
{
findReferences.clearParameters();
}
findReferences.setString(1, nodeIdentifier);
return findReferences.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findNodesByParentId == null)
{
findNodesByParentId = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID);
}
else
{
findNodesByParentId.clearParameters();
}
findNodesByParentId.setString(1, parentIdentifier);
return findNodesByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findLastOrderNumberByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findLastOrderNumberByParentId == null)
{
findLastOrderNumberByParentId = dbConnection.prepareStatement(FIND_LAST_ORDER_NUMBER_BY_PARENTID);
}
else
{
findLastOrderNumberByParentId.clearParameters();
}
findLastOrderNumberByParentId.setString(1, parentIdentifier);
return findLastOrderNumberByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesCountByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findNodesCountByParentId == null)
{
findNodesCountByParentId = dbConnection.prepareStatement(FIND_NODES_COUNT_BY_PARENTID);
}
else
{
findNodesCountByParentId.clearParameters();
}
findNodesCountByParentId.setString(1, parentIdentifier);
return findNodesCountByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildPropertiesByParentIdentifier(String parentIdentifier) throws SQLException
{
if (findPropertiesByParentId == null)
{
findPropertiesByParentId = dbConnection.prepareStatement(FIND_PROPERTIES_BY_PARENTID);
}
else
{
findPropertiesByParentId.clearParameters();
}
findPropertiesByParentId.setString(1, parentIdentifier);
return findPropertiesByParentId.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findChildNodesByParentIdentifier(String parentCid,int fromOrderNum, int offset, int limit)
throws SQLException
{
throw new UnsupportedOperationException("findChildNodesByParentIdentifier is not supported for old queries");
}
// -------- values processing ------------
/**
* {@inheritDoc}
*/
@Override
protected int addValueData(String cid, int orderNumber, InputStream stream, int streamLength, String storageDesc)
throws SQLException
{
if (insertValue == null)
{
insertValue = dbConnection.prepareStatement(INSERT_VALUE);
}
else
{
insertValue.clearParameters();
}
if (stream == null)
{
// [PN] store vd reference to external storage etc.
insertValue.setNull(1, Types.BINARY);
insertValue.setString(4, storageDesc);
}
else
{
insertValue.setBinaryStream(1, stream, streamLength);
insertValue.setNull(4, Types.VARCHAR);
}
insertValue.setInt(2, orderNumber);
insertValue.setString(3, cid);
return insertValue.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected int deleteValueData(String cid) throws SQLException
{
if (deleteValue == null)
{
deleteValue = dbConnection.prepareStatement(DELETE_VALUE);
}
else
{
deleteValue.clearParameters();
}
deleteValue.setString(1, cid);
return deleteValue.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findValuesByPropertyId(String cid) throws SQLException
{
if (findValuesByPropertyId == null)
{
findValuesByPropertyId = dbConnection.prepareStatement(FIND_VALUES_BY_PROPERTYID);
}
else
{
findValuesByPropertyId.clearParameters();
}
findValuesByPropertyId.setString(1, cid);
return findValuesByPropertyId.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected int renameNode(NodeData data) throws SQLException
{
if (renameNode == null)
{
renameNode = dbConnection.prepareStatement(RENAME_NODE);
}
else
{
renameNode.clearParameters();
}
renameNode.setString(1,
data.getParentIdentifier() == null ? Constants.ROOT_PARENT_UUID : data.getParentIdentifier());
renameNode.setString(2, data.getQPath().getName().getAsString());
renameNode.setInt(3, data.getPersistedVersion());
renameNode.setInt(4, data.getQPath().getIndex());
renameNode.setInt(5, data.getOrderNumber());
renameNode.setString(6, data.getIdentifier());
return renameNode.executeUpdate();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findNodesAndProperties(String lastNodeId, int offset, int limit) throws SQLException
{
throw new UnsupportedOperationException(
"The method findNodesAndProperties is not supported for this type of connection use the complex queries instead");
}
/**
* {@inheritDoc}
*/
protected void deleteLockProperties() throws SQLException
{
PreparedStatement removeValuesStatement = null;
PreparedStatement removeItemsStatement = null;
try
{
removeValuesStatement =
dbConnection.prepareStatement("DELETE FROM " + JCR_VALUE + " WHERE PROPERTY_ID IN " + "(SELECT ID FROM "
+ JCR_ITEM + " WHERE NAME = '[http://www.jcp.org/jcr/1.0]lockIsDeep' OR"
+ " NAME = '[http://www.jcp.org/jcr/1.0]lockOwner')");
removeItemsStatement =
dbConnection.prepareStatement("DELETE FROM " + JCR_ITEM
+ " WHERE NAME = '[http://www.jcp.org/jcr/1.0]lockIsDeep'"
+ " OR NAME = '[http://www.jcp.org/jcr/1.0]lockOwner'");
removeValuesStatement.executeUpdate();
removeItemsStatement.executeUpdate();
}
finally
{
if (removeValuesStatement != null)
{
try
{
removeValuesStatement.close();
}
catch (SQLException e)
{
LOG.error("Can't close statement", e);
}
}
if (removeItemsStatement != null)
{
try
{
removeItemsStatement.close();
}
catch (SQLException e)
{
LOG.error("Can't close statement", e);
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findNodesCount() throws SQLException
{
if (findNodesCount == null)
{
findNodesCount = dbConnection.prepareStatement(FIND_NODES_COUNT);
}
return findNodesCount.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findMaxPropertyVersion(String parentId, String name, int index) throws SQLException
{
if (findMaxPropertyVersions == null)
{
findMaxPropertyVersions = dbConnection.prepareStatement(FIND_MAX_PROPERTY_VERSIONS);
}
findMaxPropertyVersions.setString(1, getInternalId(parentId));
findMaxPropertyVersions.setString(2, name);
findMaxPropertyVersions.setInt(3, index);
return findMaxPropertyVersions.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findWorkspaceDataSize() throws SQLException
{
if (findWorkspaceDataSize == null)
{
findWorkspaceDataSize = dbConnection.prepareStatement(FIND_WORKSPACE_DATA_SIZE);
}
return findWorkspaceDataSize.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findWorkspacePropertiesOnValueStorage() throws SQLException
{
if (findWorkspacePropertiesOnValueStorage == null)
{
findWorkspacePropertiesOnValueStorage =
dbConnection.prepareStatement(FIND_WORKSPACE_PROPERTIES_ON_VALUE_STORAGE);
}
return findWorkspacePropertiesOnValueStorage.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findNodeDataSize(String parentId) throws SQLException
{
if (findNodeDataSize == null)
{
findNodeDataSize = dbConnection.prepareStatement(FIND_NODE_DATA_SIZE);
}
findNodeDataSize.setString(1, parentId);
return findNodeDataSize.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findNodePropertiesOnValueStorage(String parentId) throws SQLException
{
if (findNodePropertiesOnValueStorage == null)
{
findNodePropertiesOnValueStorage = dbConnection.prepareStatement(FIND_NODE_PROPERTIES_ON_VALUE_STORAGE);
}
findNodePropertiesOnValueStorage.setString(1, parentId);
return findNodePropertiesOnValueStorage.executeQuery();
}
/**
* {@inheritDoc}
*/
protected ResultSet findValueStorageDescAndSize(String cid) throws SQLException
{
if (findValueStorageDescAndSize == null)
{
findValueStorageDescAndSize = dbConnection.prepareStatement(FIND_VALUE_STORAGE_DESC_AND_SIZE);
}
findValueStorageDescAndSize.setString(1, cid);
return findValueStorageDescAndSize.executeQuery();
}
}