/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.qpid.qmf;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.server.exchange.Exchange;
import org.apache.qpid.server.message.ServerMessage;
import org.apache.qpid.server.queue.BaseQueue;
import org.apache.qpid.server.registry.IApplicationRegistry;
import org.apache.qpid.server.virtualhost.VirtualHost;
import org.apache.qpid.transport.codec.BBDecoder;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.UUID;
public class QMFGetQueryCommand extends QMFCommand
{
private static final Logger _qmfLogger = Logger.getLogger("qpid.qmf");
private String _className;
private String _packageName;
private UUID _objectId;
public QMFGetQueryCommand(QMFCommandHeader header, BBDecoder decoder)
{
super(header);
Map<String, Object> _map = decoder.readMap();
_className = (String) _map.get("_class");
_packageName = (String) _map.get("_package");
byte[] objectIdBytes = (byte[]) _map.get("_objectId");
if(objectIdBytes != null)
{
long msb = 0;
long lsb = 0;
for (int i = 0; i != 8; i++)
{
msb = (msb << 8) | (objectIdBytes[i] & 0xff);
}
for (int i = 8; i != 16; i++)
{
lsb = (lsb << 8) | (objectIdBytes[i] & 0xff);
}
_objectId = new UUID(msb, lsb);
}
else
{
_objectId = null;
}
}
public void process(VirtualHost virtualHost, ServerMessage message)
{
String exchangeName = message.getMessageHeader().getReplyToExchange();
String routingKey = message.getMessageHeader().getReplyToRoutingKey();
IApplicationRegistry appRegistry = virtualHost.getApplicationRegistry();
QMFService service = appRegistry.getQMFService();
_qmfLogger.debug("Execute: " + this);
List<QMFCommand> commands = new ArrayList<QMFCommand>();
final long sampleTime = System.currentTimeMillis() * 1000000l;
Collection<QMFPackage> packages;
if(_packageName != null && _packageName.length() != 0)
{
QMFPackage qmfPackage = service.getPackage(_packageName);
if(qmfPackage == null)
{
packages = Collections.EMPTY_LIST;
}
else
{
packages = Collections.singleton(qmfPackage);
}
}
else
{
packages = service.getSupportedSchemas();
}
for(QMFPackage qmfPackage : packages)
{
Collection<QMFClass> qmfClasses;
if(_className != null && _className.length() != 0)
{
QMFClass qmfClass = qmfPackage.getQMFClass(_className);
if(qmfClass == null)
{
qmfClasses = Collections.EMPTY_LIST;
}
else
{
qmfClasses = Collections.singleton(qmfClass);
}
}
else
{
qmfClasses = qmfPackage.getClasses();
}
for(QMFClass qmfClass : qmfClasses)
{
Collection<QMFObject> objects;
if(_objectId != null)
{
QMFObject obj = service.getObjectById(qmfClass, _objectId);
if(obj == null)
{
objects = Collections.EMPTY_LIST;
}
else
{
objects = Collections.singleton(obj);
}
}
else
{
objects = service.getObjects(qmfClass);
}
for(QMFObject object : objects)
{
commands.add(object.asGetQueryResponseCmd(this, sampleTime));
}
}
}
commands.add( new QMFCommandCompletionCommand(this));
for(QMFCommand cmd : commands)
{
_qmfLogger.debug("Respond: " + cmd);
QMFMessage responseMessage = new QMFMessage(routingKey, cmd);
Exchange exchange = virtualHost.getExchangeRegistry().getExchange(exchangeName);
List<? extends BaseQueue> queues = exchange.route(responseMessage);
for(BaseQueue q : queues)
{
try
{
q.enqueue(responseMessage);
}
catch (AMQException e)
{
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
}
}
}
@Override
public String toString()
{
return "QMFGetQueryCommand{" +
"packageName='" + _packageName + '\'' +
", className='" + _className + '\'' +
", objectId=" + _objectId +
'}';
}
}