| /* |
| * |
| * 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.configuration.store; |
| |
| import java.util.Collection; |
| |
| import org.apache.qpid.server.model.ConfigurationChangeListener; |
| import org.apache.qpid.server.model.ConfiguredObject; |
| import org.apache.qpid.server.model.State; |
| import org.apache.qpid.server.store.DurableConfigurationStore; |
| |
| public class StoreConfigurationChangeListener implements ConfigurationChangeListener |
| { |
| private final DurableConfigurationStore _store; |
| private boolean _bulkChanges = false; |
| |
| public StoreConfigurationChangeListener(DurableConfigurationStore store) |
| { |
| super(); |
| _store = store; |
| } |
| |
| @Override |
| public void stateChanged(ConfiguredObject object, State oldState, State newState) |
| { |
| if (newState == State.DELETED) |
| { |
| if(object.isDurable()) |
| { |
| _store.remove(object.asObjectRecord()); |
| } |
| object.removeChangeListener(this); |
| } |
| } |
| |
| @Override |
| public void childAdded(ConfiguredObject<?> object, ConfiguredObject<?> child) |
| { |
| if (!object.managesChildStorage()) |
| { |
| if(object.isDurable() && child.isDurable()) |
| { |
| child.addChangeListener(this); |
| _store.update(true, child.asObjectRecord()); |
| |
| Class<? extends ConfiguredObject> categoryClass = child.getCategoryClass(); |
| Collection<Class<? extends ConfiguredObject>> childTypes = |
| child.getModel().getChildTypes(categoryClass); |
| |
| for (Class<? extends ConfiguredObject> childClass : childTypes) |
| { |
| for (ConfiguredObject<?> grandchild : child.getChildren(childClass)) |
| { |
| childAdded(child, grandchild); |
| } |
| } |
| } |
| } |
| |
| } |
| |
| @Override |
| public void bulkChangeStart(final ConfiguredObject<?> object) |
| { |
| _bulkChanges = true; |
| } |
| |
| @Override |
| public void bulkChangeEnd(final ConfiguredObject<?> object) |
| { |
| if (object.isDurable() && _bulkChanges) |
| { |
| _store.update(false, object.asObjectRecord()); |
| } |
| _bulkChanges = false; |
| } |
| |
| @Override |
| public void childRemoved(ConfiguredObject object, ConfiguredObject child) |
| { |
| if (!object.managesChildStorage()) |
| { |
| if (child.isDurable()) |
| { |
| _store.remove(child.asObjectRecord()); |
| } |
| child.removeChangeListener(this); |
| } |
| } |
| |
| @Override |
| public void attributeSet(ConfiguredObject object, String attributeName, Object oldAttributeValue, Object newAttributeValue) |
| { |
| if (object.isDurable() && !_bulkChanges) |
| { |
| _store.update(false, object.asObjectRecord()); |
| } |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "StoreConfigurationChangeListener [store=" + _store + "]"; |
| } |
| } |