com.hazelcast.cache.impl.operation.AbstractCacheOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.
*/
package com.hazelcast.cache.impl.operation;
import com.hazelcast.cache.CacheNotExistsException;
import com.hazelcast.cache.impl.CacheDataSerializerHook;
import com.hazelcast.cache.impl.ICacheRecordStore;
import com.hazelcast.cache.impl.ICacheService;
import com.hazelcast.cache.impl.event.CacheWanEventPublisher;
import com.hazelcast.cache.impl.record.CacheRecord;
import com.hazelcast.logging.ILogger;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.ExceptionAction;
import com.hazelcast.spi.PartitionAwareOperation;
import com.hazelcast.spi.impl.AbstractNamedOperation;
import java.io.IOException;
/**
* Base Cache Operation. Cache operations are named operations. Key based operations are subclasses of this base
* class providing a cacheRecordStore access and partial backup support.
*/
abstract class AbstractCacheOperation
extends AbstractNamedOperation
implements PartitionAwareOperation, IdentifiedDataSerializable {
protected Data key;
protected Object response;
protected transient ICacheRecordStore cache;
protected transient CacheRecord backupRecord;
protected transient ICacheService cacheService;
protected transient CacheWanEventPublisher wanEventPublisher;
protected AbstractCacheOperation() {
}
protected AbstractCacheOperation(String name, Data key) {
super(name);
this.key = key;
}
@Override
public String getServiceName() {
return ICacheService.SERVICE_NAME;
}
@Override
public void beforeRun()
throws Exception {
cacheService = getService();
cache = cacheService.getOrCreateRecordStore(name, getPartitionId());
if (cache.isWanReplicationEnabled()) {
wanEventPublisher = cacheService.getCacheWanEventPublisher();
}
}
@Override
public final Object getResponse() {
return response;
}
@Override
public ExceptionAction onInvocationException(Throwable throwable) {
if (throwable instanceof CacheNotExistsException) {
ICacheService cacheService = getService();
if (cacheService.getCacheConfig(name) != null) {
getLogger().finest("Retry Cache Operation from node " + getNodeEngine().getLocalMember());
return ExceptionAction.RETRY_INVOCATION;
}
}
return super.onInvocationException(throwable);
}
@Override
public void logError(Throwable e) {
if (e instanceof CacheNotExistsException) {
// Since this exception can be thrown and will be retried, we don't want to log this exception under server,
// since it will cause a lot of noise.
ILogger logger = getLogger();
if (logger.isFinestEnabled()) {
logger.finest("failed to execute:" + this, e);
}
return;
}
super.logError(e);
}
@Override
protected void writeInternal(ObjectDataOutput out)
throws IOException {
super.writeInternal(out);
out.writeData(key);
}
@Override
protected void readInternal(ObjectDataInput in)
throws IOException {
super.readInternal(in);
key = in.readData();
}
@Override
public int getFactoryId() {
return CacheDataSerializerHook.F_ID;
}
//region BackupawareOperation will use these
public final int getSyncBackupCount() {
return cache != null ? cache.getConfig().getBackupCount() : 0;
}
public final int getAsyncBackupCount() {
return cache != null ? cache.getConfig().getAsyncBackupCount() : 0;
}
}