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109 changes: 109 additions & 0 deletions
109
...st/src/main/java/com/hazelcast/map/mapstore/writebehind/AbstractWriteBehindProcessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * Copyright (c) 2008-2015, Hazelcast, Inc. All Rights Reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.hazelcast.map.mapstore.writebehind; | ||
|
|
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| import com.hazelcast.config.MapStoreConfig; | ||
| import com.hazelcast.core.MapStore; | ||
| import com.hazelcast.logging.ILogger; | ||
| import com.hazelcast.map.MapContainer; | ||
| import com.hazelcast.nio.serialization.Data; | ||
| import com.hazelcast.nio.serialization.SerializationService; | ||
|
|
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| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| /** | ||
| * Contains common fuctionallity which is required by a {@link WriteBehindProcessor} | ||
| * | ||
| * @param <T> the type of object to be placed in the {@link WriteBehindQueue} | ||
| */ | ||
| abstract class AbstractWriteBehindProcessor<T> implements WriteBehindProcessor<T> { | ||
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| protected final int writeBatchSize; | ||
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| protected final boolean writeCoalescing; | ||
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| protected final ILogger logger; | ||
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| protected final MapStore mapStore; | ||
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| private final SerializationService serializationService; | ||
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| public AbstractWriteBehindProcessor(MapContainer mapContainer) { | ||
| this.serializationService = mapContainer.getMapServiceContext().getNodeEngine().getSerializationService(); | ||
| this.mapStore = mapContainer.getStore(); | ||
| this.logger = mapContainer.getMapServiceContext().getNodeEngine().getLogger(DefaultWriteBehindProcessor.class); | ||
| MapStoreConfig mapStoreConfig = mapContainer.getMapConfig().getMapStoreConfig(); | ||
| this.writeBatchSize = mapStoreConfig.getWriteBatchSize(); | ||
| this.writeCoalescing = mapStoreConfig.isWriteCoalescing(); | ||
| } | ||
|
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| protected Object toObject(Object obj) { | ||
| return serializationService.toObject(obj); | ||
| } | ||
|
|
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| protected Data toData(Object obj) { | ||
| return serializationService.toData(obj); | ||
| } | ||
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|
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| protected void sleepSeconds(long secs) { | ||
| try { | ||
| TimeUnit.SECONDS.sleep(secs); | ||
| } catch (InterruptedException e) { | ||
| logger.warning(e); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Used to group store operations. | ||
| */ | ||
| protected enum StoreOperationType { | ||
|
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| DELETE { | ||
| @Override | ||
| boolean processSingle(Object key, Object value, MapStore mapStore) { | ||
| mapStore.delete(key); | ||
| return true; | ||
| } | ||
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| @Override | ||
| boolean processBatch(Map map, MapStore mapStore) { | ||
| mapStore.deleteAll(map.keySet()); | ||
| return true; | ||
| } | ||
| }, | ||
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| WRITE { | ||
| @Override | ||
| boolean processSingle(Object key, Object value, MapStore mapStore) { | ||
| mapStore.store(key, value); | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| boolean processBatch(Map map, MapStore mapStore) { | ||
| mapStore.storeAll(map); | ||
| return true; | ||
| } | ||
| }; | ||
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| abstract boolean processSingle(Object key, Object value, MapStore mapStore); | ||
|
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| abstract boolean processBatch(Map map, MapStore mapStore); | ||
| } | ||
| } |
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