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/*
*
* 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.server.virtualhost;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import org.apache.qpid.server.exchange.AMQUnknownExchangeType;
import org.apache.qpid.server.exchange.ExchangeImpl;
import org.apache.qpid.server.exchange.ExchangeFactory;
import org.apache.qpid.server.exchange.ExchangeRegistry;
import org.apache.qpid.server.store.AbstractDurableConfiguredObjectRecoverer;
import org.apache.qpid.server.store.UnresolvedDependency;
import org.apache.qpid.server.store.UnresolvedObject;
import org.apache.qpid.server.util.ServerScopedRuntimeException;
public class ExchangeRecoverer extends AbstractDurableConfiguredObjectRecoverer<ExchangeImpl>
{
private final ExchangeRegistry _exchangeRegistry;
private final ExchangeFactory _exchangeFactory;
public ExchangeRecoverer(final ExchangeRegistry exchangeRegistry, final ExchangeFactory exchangeFactory)
{
_exchangeRegistry = exchangeRegistry;
_exchangeFactory = exchangeFactory;
}
@Override
public String getType()
{
return org.apache.qpid.server.model.Exchange.class.getSimpleName();
}
@Override
public UnresolvedObject<ExchangeImpl> createUnresolvedObject(final UUID id,
final String type,
final Map<String, Object> attributes)
{
return new UnresolvedExchange(id, attributes);
}
private class UnresolvedExchange implements UnresolvedObject<ExchangeImpl>
{
private ExchangeImpl<?> _exchange;
public UnresolvedExchange(final UUID id,
final Map<String, Object> attributeMap)
{
String exchangeName = (String) attributeMap.get(org.apache.qpid.server.model.Exchange.NAME);
try
{
_exchange = _exchangeRegistry.getExchange(id);
if(_exchange == null)
{
_exchange = _exchangeRegistry.getExchange(exchangeName);
}
if (_exchange == null)
{
Map<String,Object> attributesWithId = new HashMap<String,Object>(attributeMap);
attributesWithId.put(org.apache.qpid.server.model.Exchange.ID,id);
attributesWithId.put(org.apache.qpid.server.model.Exchange.DURABLE,true);
_exchange = _exchangeFactory.restoreExchange(attributesWithId);
_exchangeRegistry.registerExchange(_exchange);
}
}
catch (AMQUnknownExchangeType e)
{
throw new ServerScopedRuntimeException("Unknown exchange type found when attempting to restore " +
"exchanges, check classpath", e);
}
catch (UnknownExchangeException e)
{
throw new ServerScopedRuntimeException("Unknown alternate exchange type found when attempting to restore " +
"exchanges: ", e);
}
}
@Override
public UnresolvedDependency[] getUnresolvedDependencies()
{
return new UnresolvedDependency[0];
}
@Override
public ExchangeImpl resolve()
{
return _exchange;
}
}
}
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