/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.resource.spi;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.resource.ResourceException;
import javax.resource.cci.Connection;
import javax.resource.spi.ConnectionEvent;
import javax.resource.spi.ConnectionEventListener;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.LocalTransaction;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionMetaData;
import javax.security.auth.Subject;
import javax.transaction.xa.XAResource;
public class BasicManagedConnection implements ManagedConnection {
protected PrintWriter log;
protected final Collection<ConnectionEventListener> listeners = new ArrayList<ConnectionEventListener>();
private BasicConnection physicalConnection;
private final Set<WrappedConnection> handles = new HashSet<WrappedConnection>();
public BasicManagedConnection(BasicConnection connection) {
this.physicalConnection = connection;
}
@Override
public void associateConnection(Object handle) throws ResourceException {
if (!(handle instanceof WrappedConnection)) {
throw new ResourceException("Wrong connection supplied to assosiate"); //$NON-NLS-1$
}
((WrappedConnection)handle).setManagedConnection(this);
synchronized (this.handles) {
this.handles.add((WrappedConnection)handle);
}
}
@Override
public void cleanup() throws ResourceException {
synchronized (this.handles) {
for (WrappedConnection wc:this.handles) {
wc.setManagedConnection(null);
}
handles.clear();
}
if (this.physicalConnection != null) {
this.physicalConnection.cleanUp();
}
ConnectionContext.setSubject(null);
}
@Override
public void destroy() throws ResourceException {
cleanup();
this.physicalConnection.close();
this.physicalConnection = null;
}
@Override
public ManagedConnectionMetaData getMetaData() throws ResourceException {
return null;
}
@Override
public Object getConnection(Subject arg0, ConnectionRequestInfo arg1) throws ResourceException {
ConnectionContext.setSubject(arg0);
WrappedConnection wc = new WrappedConnection(this);
synchronized(this.handles) {
this.handles.add(wc);
}
return wc;
}
@Override
public LocalTransaction getLocalTransaction() throws ResourceException {
return null;
}
@Override
public XAResource getXAResource() throws ResourceException {
return this.physicalConnection.getXAResource();
}
@Override
public void addConnectionEventListener(ConnectionEventListener arg0) {
synchronized (this.listeners) {
this.listeners.add(arg0);
}
}
@Override
public void removeConnectionEventListener(ConnectionEventListener arg0) {
synchronized (this.listeners) {
this.listeners.remove(arg0);
}
}
@Override
public void setLogWriter(PrintWriter arg0) throws ResourceException {
this.log = arg0;
}
@Override
public PrintWriter getLogWriter() throws ResourceException {
return this.log;
}
// called by the wrapped connection to notify the close of the connection.
void connectionClosed(WrappedConnection wc) {
synchronized (this.handles) {
handles.remove(wc);
}
ConnectionEvent ce = new ConnectionEvent(this, ConnectionEvent.CONNECTION_CLOSED);
ce.setConnectionHandle(wc);
ArrayList<ConnectionEventListener> copy = null;
synchronized (this.listeners) {
copy = new ArrayList<ConnectionEventListener>(this.listeners);
}
for(ConnectionEventListener l: copy) {
l.connectionClosed(ce);
}
}
Connection getConnection() throws ResourceException {
if (this.physicalConnection == null)
throw new ResourceException("Connection has been destroyed!!!"); //$NON-NLS-1$
return this.physicalConnection;
}
public boolean isValid() {
if (this.physicalConnection == null) {
return false;
}
return this.physicalConnection.isAlive();
}
}