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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.store;
import java.util.Map;
import java.util.UUID;
public abstract class AbstractDurableConfiguredObjectRecoverer<T> implements DurableConfiguredObjectRecoverer
{
@Override
public void load(final DurableConfigurationRecoverer durableConfigurationRecoverer,
final UUID id,
final Map<String, Object> attributes)
{
final UnresolvedObject obj = createUnresolvedObject(id, getType(), attributes);
UnresolvedDependency[] dependencies = obj.getUnresolvedDependencies();
for(final UnresolvedDependency dependency : dependencies)
{
Object dep;
if((dep = durableConfigurationRecoverer.getResolvedObject(dependency.getType(), dependency.getId())) != null)
{
dependency.resolve(dep);
}
else
{
durableConfigurationRecoverer.addResolutionListener(dependency.getType(), dependency.getId(),
new DependencyListener()
{
@Override
public void dependencyResolved(final String depType,
final UUID depId,
final Object o)
{
dependency.resolve(o);
if(obj.getUnresolvedDependencies().length == 0)
{
durableConfigurationRecoverer.resolve(getType(), id, obj.resolve());
}
}
});
}
}
if(obj.getUnresolvedDependencies().length == 0)
{
durableConfigurationRecoverer.resolve(getType(), id, obj.resolve());
}
else
{
durableConfigurationRecoverer.addUnresolvedObject(getType(), id, obj);
}
}
public abstract UnresolvedObject<T> createUnresolvedObject(final UUID id,
final String type,
final Map<String, Object> attributes);
}
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