| /* |
| * 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.geode.internal.cache; |
| |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.DistributionMessage; |
| import org.apache.geode.distributed.internal.DistributionMessageObserver; |
| |
| public abstract class OnRequestImageMessageObserver extends DistributionMessageObserver { |
| private final String regionName; |
| private final Runnable onMessageReceived; |
| private boolean hasExecutedOnMessageReceived = false; |
| |
| OnRequestImageMessageObserver(String regionName, Runnable onMessageReceived) { |
| this.regionName = regionName; |
| this.onMessageReceived = onMessageReceived; |
| } |
| |
| @Override |
| public void beforeProcessMessage(ClusterDistributionManager dm, DistributionMessage message) { |
| if (message instanceof InitialImageOperation.RequestImageMessage) { |
| InitialImageOperation.RequestImageMessage rim = |
| (InitialImageOperation.RequestImageMessage) message; |
| synchronized (this) { |
| if (!hasExecutedOnMessageReceived && rim.regionPath.contains(regionName)) { |
| onMessageReceived.run(); |
| hasExecutedOnMessageReceived = true; |
| } |
| } |
| } |
| } |
| } |