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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.Map;
import java.util.UUID;
import org.apache.qpid.server.exchange.AMQUnknownExchangeType;
import org.apache.qpid.server.exchange.Exchange;
import org.apache.qpid.server.exchange.ExchangeFactory;
import org.apache.qpid.server.exchange.ExchangeRegistry;
import org.apache.qpid.server.model.LifetimePolicy;
import org.apache.qpid.server.security.QpidSecurityException;
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<Exchange>
{
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<Exchange> createUnresolvedObject(final UUID id,
final String type,
final Map<String, Object> attributes)
{
return new UnresolvedExchange(id, attributes);
}
private class UnresolvedExchange implements UnresolvedObject<Exchange>
{
private Exchange _exchange;
public UnresolvedExchange(final UUID id,
final Map<String, Object> attributeMap)
{
String exchangeName = (String) attributeMap.get(org.apache.qpid.server.model.Exchange.NAME);
String exchangeType = (String) attributeMap.get(org.apache.qpid.server.model.Exchange.TYPE);
String lifeTimePolicy = (String) attributeMap.get(org.apache.qpid.server.model.Exchange.LIFETIME_POLICY);
boolean autoDelete = lifeTimePolicy == null
|| LifetimePolicy.valueOf(lifeTimePolicy) == LifetimePolicy.AUTO_DELETE;
try
{
_exchange = _exchangeRegistry.getExchange(id);
if(_exchange == null)
{
_exchange = _exchangeRegistry.getExchange(exchangeName);
}
if (_exchange == null)
{
_exchange = _exchangeFactory.restoreExchange(id, exchangeName, exchangeType, autoDelete);
_exchangeRegistry.registerExchange(_exchange);
}
}/*
catch (AMQException e)
{
throw new RuntimeException("Error recovering exchange uuid " + id + " name " + exchangeName, e);
}*/
catch (QpidSecurityException e)
{
throw new ServerScopedRuntimeException("Security Exception thrown when recovering. The recovery " +
"thread should not be bound by permissions, this is likely " +
"a programming error.",e);
}
catch (AMQUnknownExchangeType e)
{
throw new ServerScopedRuntimeException("Unknown exchange type found when attempting to restore " +
"exchanges, check classpath", e);
}
}
@Override
public UnresolvedDependency[] getUnresolvedDependencies()
{
return new UnresolvedDependency[0];
}
@Override
public Exchange resolve()
{
return _exchange;
}
}
}
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