/*
* Copyright 1999-2010 Luca Garulli (l.garulli--at--orientechnologies.com)
*
* 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 com.orientechnologies.orient.core.db.object;
import com.orientechnologies.orient.core.db.ODatabasePoolBase;
import com.orientechnologies.orient.core.db.ODatabasePooled;
import com.orientechnologies.orient.core.db.raw.ODatabaseRaw;
import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
import com.orientechnologies.orient.core.exception.ODatabaseException;
/**
* Pooled wrapper to the ODatabaseObjectTx class. Allows to being reused across calls. The close() method doesn't close the database
* for real but release it to the owner pool. The database born as opened and will leave open until the pool is closed.
*
* @author Luca Garulli
* @see ODatabasePoolBase
*
*/
@SuppressWarnings("unchecked")
public class ODatabaseObjectTxPooled extends ODatabaseObjectTx implements ODatabasePooled {
private ODatabaseObjectPool ownerPool;
public ODatabaseObjectTxPooled(final ODatabaseObjectPool iOwnerPool, final String iURL, final String iUserName,
final String iUserPassword) {
super(iURL);
ownerPool = iOwnerPool;
super.open(iUserName, iUserPassword);
}
public void reuse(final Object iOwner) {
ownerPool = (ODatabaseObjectPool) iOwner;
getMetadata().reload();
}
@Override
public ODatabaseObjectTxPooled open(String iUserName, String iUserPassword) {
checkOpeness();
if (!getUser().getName().equals(iUserName))
throw new UnsupportedOperationException("Database instance was retrieved from a pool and has been used with the user '"
+ getUser().getName() + "'. Get another database instance from the pool with the right username and password");
return this;
}
@Override
public ODatabaseObjectTxPooled create() {
throw new UnsupportedOperationException(
"Database instance was retrieved from a pool. You can't create the database in this way. Please use directly ODatabaseDocumentTx.create()");
}
@Override
public boolean isClosed() {
return ownerPool == null || super.isClosed();
}
/**
* Avoid to close it but rather release itself to the owner pool.
*/
@Override
public void close() {
if (isClosed())
return;
objects2Records.clear();
records2Objects.clear();
rid2Records.clear();
checkOpeness();
rollback();
getMetadata().close();
((ODatabaseRaw) ((ODatabaseRecord) underlying.getUnderlying()).getUnderlying()).callOnCloseListeners();
getLevel1Cache().clear();
ownerPool.release(this);
ownerPool = null;
}
public void forceClose() {
super.close();
}
@Override
protected void checkOpeness() {
if (ownerPool == null)
throw new ODatabaseException(
"Database instance has been released to the pool. Get another database instance from the pool with the right username and password");
super.checkOpeness();
}
}