| /* |
| * 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.usergrid.persistence.map.impl; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.cache.CacheBuilder; |
| import com.google.common.cache.CacheLoader; |
| import com.google.common.cache.LoadingCache; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.netflix.astyanax.Execution; |
| import org.apache.usergrid.persistence.map.MapManager; |
| import org.apache.usergrid.persistence.map.MapManagerFactory; |
| import org.apache.usergrid.persistence.map.MapScope; |
| |
| import java.util.concurrent.ExecutionException; |
| |
| /** |
| * Returns map managers, built to handle caching |
| */ |
| @Singleton |
| public class MapManagerFactoryImpl implements MapManagerFactory { |
| private final MapSerialization mapSerialization; |
| private LoadingCache<MapScope, MapManager> mmCache = |
| CacheBuilder.newBuilder().maximumSize( 1000 ).build( new CacheLoader<MapScope, MapManager>() { |
| public MapManager load( MapScope scope ) { |
| return new MapManagerImpl(scope,mapSerialization); |
| } |
| } ); |
| |
| @Inject |
| public MapManagerFactoryImpl(final MapSerialization mapSerialization){ |
| |
| this.mapSerialization = mapSerialization; |
| } |
| |
| @Override |
| public MapManager createMapManager(MapScope scope) { |
| Preconditions.checkNotNull(scope); |
| try{ |
| return mmCache.get(scope); |
| }catch (ExecutionException ee){ |
| throw new RuntimeException(ee); |
| } |
| } |
| |
| @Override |
| public void invalidate() { |
| mmCache.invalidateAll(); |
| } |
| } |