/*
* Copyright (c) 2008-2017, 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.map.impl;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.map.LockAware;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.query.impl.getters.Extractors;
/**
* Specialization of the LazyMapEntry that is LockAware. Used in EntryProcessor.
* If serialized the locked property will be nullified, since it's volatile and valid only when on partition-thread.
*/
public class LockAwareLazyMapEntry extends LazyMapEntry implements LockAware {
private static final long serialVersionUID = 0L;
// not to be serialized, if serialized should return null
private final transient Boolean locked;
public LockAwareLazyMapEntry() {
this.locked = null;
}
public LockAwareLazyMapEntry(Data key, Object value, InternalSerializationService serializationService,
Extractors extractors, Boolean locked) {
super(key, value, serializationService, extractors);
this.locked = locked;
}
@Override
public Boolean isLocked() {
return locked;
}
@Override
public int getFactoryId() {
return MapDataSerializerHook.F_ID;
}
@Override
public int getId() {
return MapDataSerializerHook.LOCK_AWARE_LAZY_MAP_ENTRY;
}
}