com.hazelcast.cache.impl.merge.entry.LazyCacheEntryView 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.merge.entry;
import com.hazelcast.cache.CacheEntryView;
import com.hazelcast.internal.serialization.SerializationService;
/**
* An implementation of {@link com.hazelcast.cache.CacheEntryView}
* for converting key and value to object when they are touched as lazy.
*/
public class LazyCacheEntryView
implements CacheEntryView {
private Object key;
private Object value;
private long expirationTime;
private long lastAccessTime;
private long accessHit;
private SerializationService serializationService;
public LazyCacheEntryView(Object key, Object value, long expirationTime, long lastAccessTime, long accessHit) {
// `null` `serializationService` means, use raw type without any convertion
this(key, value, expirationTime, lastAccessTime, accessHit, null);
}
public LazyCacheEntryView(Object key, Object value, long expirationTime, long lastAccessTime, long accessHit,
SerializationService serializationService) {
this.key = key;
this.value = value;
this.expirationTime = expirationTime;
this.lastAccessTime = lastAccessTime;
this.accessHit = accessHit;
this.serializationService = serializationService;
}
@Override
public K getKey() {
// `null` `serializationService` means, use raw type without any convertion
if (serializationService != null) {
key = serializationService.toObject(key);
}
return (K) key;
}
@Override
public V getValue() {
// `null` `serializationService` means, use raw type without any convertion
if (serializationService != null) {
value = serializationService.toObject(value);
}
return (V) value;
}
@Override
public long getExpirationTime() {
return expirationTime;
}
@Override
public long getLastAccessTime() {
return lastAccessTime;
}
@Override
public long getAccessHit() {
return accessHit;
}
}