package org.apache.qpid.server.virtualhost;/*
*
* 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.
*
*/
import org.apache.qpid.server.configuration.VirtualHostConfiguration;
import org.apache.qpid.server.logging.subjects.MessageStoreLogSubject;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.stats.StatisticsGatherer;
import org.apache.qpid.server.store.DurableConfigurationRecoverer;
import org.apache.qpid.server.store.DurableConfigurationStore;
import org.apache.qpid.server.store.DurableConfigurationStoreCreator;
import org.apache.qpid.server.store.MessageStore;
import org.apache.qpid.server.store.MessageStoreCreator;
import org.apache.qpid.server.store.OperationalLoggingListener;
public class StandardVirtualHost extends AbstractVirtualHost
{
private MessageStore _messageStore;
private DurableConfigurationStore _durableConfigurationStore;
StandardVirtualHost(VirtualHostRegistry virtualHostRegistry,
StatisticsGatherer brokerStatisticsGatherer,
org.apache.qpid.server.security.SecurityManager parentSecurityManager,
VirtualHostConfiguration hostConfig, VirtualHost virtualHost) throws Exception
{
super(virtualHostRegistry, brokerStatisticsGatherer, parentSecurityManager, hostConfig, virtualHost);
}
private MessageStore initialiseMessageStore(VirtualHostConfiguration hostConfig, VirtualHost virtualHost) throws Exception
{
final Object storeTypeAttr = virtualHost.getAttribute(VirtualHost.STORE_TYPE);
String storeType = storeTypeAttr == null ? null : String.valueOf(storeTypeAttr);
MessageStore messageStore = null;
if (storeType == null)
{
final Class<?> clazz = Class.forName(hostConfig.getMessageStoreClass());
final Object o = clazz.newInstance();
if (!(o instanceof MessageStore))
{
throw new ClassCastException(clazz + " does not implement " + MessageStore.class);
}
messageStore = (MessageStore) o;
}
else
{
messageStore = new MessageStoreCreator().createMessageStore(storeType);
}
final
MessageStoreLogSubject
storeLogSubject = new MessageStoreLogSubject(getName(), messageStore.getClass().getSimpleName());
OperationalLoggingListener.listen(messageStore, storeLogSubject);
return messageStore;
}
private DurableConfigurationStore initialiseConfigurationStore(VirtualHost virtualHost) throws Exception
{
DurableConfigurationStore configurationStore;
final Object storeTypeAttr = virtualHost.getAttribute(VirtualHost.CONFIG_STORE_TYPE);
String storeType = storeTypeAttr == null ? null : String.valueOf(storeTypeAttr);
if(storeType != null)
{
configurationStore = new DurableConfigurationStoreCreator().createMessageStore(storeType);
}
else if(getMessageStore() instanceof DurableConfigurationStore)
{
configurationStore = (DurableConfigurationStore) getMessageStore();
}
else
{
throw new ClassCastException(getMessageStore().getClass().getSimpleName() +
" is not an instance of DurableConfigurationStore");
}
return configurationStore;
}
protected void initialiseStorage(VirtualHostConfiguration hostConfig, VirtualHost virtualHost) throws Exception
{
_messageStore = initialiseMessageStore(hostConfig, virtualHost);
_durableConfigurationStore = initialiseConfigurationStore(virtualHost);
DurableConfigurationRecoverer configRecoverer =
new DurableConfigurationRecoverer(getName(), getDurableConfigurationRecoverers(),
new DefaultUpgraderProvider(this, getExchangeRegistry()));
_durableConfigurationStore.configureConfigStore(virtualHost, configRecoverer);
VirtualHostConfigRecoveryHandler recoveryHandler = new VirtualHostConfigRecoveryHandler(this, getExchangeRegistry(), getExchangeFactory());
_messageStore.configureMessageStore(virtualHost, recoveryHandler, recoveryHandler);
initialiseModel(hostConfig);
_messageStore.activate();
attainActivation();
}
@Override
public MessageStore getMessageStore()
{
return _messageStore;
}
@Override
public DurableConfigurationStore getDurableConfigurationStore()
{
return _durableConfigurationStore;
}
}