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/* * Copyright 2014 the original author or authors. */* w w w . j a v a2s. c om*/ * Licensed 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.springframework.sync.diffsync.shadowstore; import java.util.HashMap; import java.util.Map; import org.springframework.sync.diffsync.AbstractShadowStore; import org.springframework.sync.diffsync.Shadow; import org.springframework.sync.diffsync.ShadowStore; /** * Implementation of {@link ShadowStore} that keeps shadows in an in-memory map. * Not recommended for production applications, as it isn't scalable in terms of the number of clients. * Consider RedisShadowStore or GemfireShadowStore instead. * @author Craig Walls */ public class MapBasedShadowStore extends AbstractShadowStore { private Map<String, Shadow<?>> store = new HashMap<String, Shadow<?>>(); public MapBasedShadowStore(String remoteNodeId) { super(remoteNodeId); } @Override public void putShadow(String key, Shadow<?> shadow) { store.put(getNodeSpecificKey(key), shadow); } @Override public Shadow<?> getShadow(String key) { return store.get(getNodeSpecificKey(key)); } }