com.hazelcast.map.impl.EntryViews Maven / Gradle / Ivy
/*
* 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.
*/
package com.hazelcast.map.impl;
import com.hazelcast.core.EntryView;
import com.hazelcast.map.merge.MapMergePolicy;
import com.hazelcast.map.impl.record.Record;
import com.hazelcast.map.impl.record.RecordStatistics;
import com.hazelcast.nio.serialization.SerializationService;
/**
* A class providing static factory methods that create various entry view objects.
*/
public final class EntryViews {
private EntryViews() {
}
/**
* Creates a null entry view that has only key and no value.
*
* @param key the key object which will be wrapped in {@link com.hazelcast.core.EntryView}.
* @param the type of key.
* @param the type of value.
* @return returns null entry view.
*/
public static EntryView createNullEntryView(K key) {
return new NullEntryView(key);
}
public static EntryView createSimpleEntryView(K key, V value, Record record) {
final SimpleEntryView simpleEntryView = new SimpleEntryView(key, value);
simpleEntryView.setCost(record.getCost());
simpleEntryView.setVersion(record.getVersion());
simpleEntryView.setEvictionCriteriaNumber(record.getEvictionCriteriaNumber());
simpleEntryView.setLastAccessTime(record.getLastAccessTime());
simpleEntryView.setLastUpdateTime(record.getLastUpdateTime());
simpleEntryView.setTtl(record.getTtl());
simpleEntryView.setCreationTime(record.getCreationTime());
final RecordStatistics statistics = record.getStatistics();
if (statistics != null) {
simpleEntryView.setHits(statistics.getHits());
simpleEntryView.setExpirationTime(statistics.getExpirationTime());
simpleEntryView.setLastStoredTime(statistics.getLastStoredTime());
}
return simpleEntryView;
}
public static EntryView createSimpleEntryView() {
return new SimpleEntryView();
}
public static EntryView createLazyEntryView(K key, V value, Record record
, SerializationService serializationService, MapMergePolicy mergePolicy) {
final LazyEntryView lazyEntryView = new LazyEntryView(key, value, serializationService, mergePolicy);
lazyEntryView.setCost(record.getCost());
lazyEntryView.setVersion(record.getVersion());
lazyEntryView.setEvictionCriteriaNumber(record.getEvictionCriteriaNumber());
lazyEntryView.setLastAccessTime(record.getLastAccessTime());
lazyEntryView.setLastUpdateTime(record.getLastUpdateTime());
lazyEntryView.setTtl(record.getTtl());
lazyEntryView.setCreationTime(record.getCreationTime());
final RecordStatistics statistics = record.getStatistics();
if (statistics != null) {
lazyEntryView.setHits(statistics.getHits());
lazyEntryView.setExpirationTime(statistics.getExpirationTime());
lazyEntryView.setLastStoredTime(statistics.getLastStoredTime());
}
return lazyEntryView;
}
public static EntryView convertToLazyEntryView(EntryView entryView,
SerializationService serializationService, MapMergePolicy mergePolicy) {
final LazyEntryView lazyEntryView = new LazyEntryView(entryView.getKey(), entryView.getValue(),
serializationService, mergePolicy);
lazyEntryView.setCost(entryView.getCost());
lazyEntryView.setVersion(entryView.getVersion());
lazyEntryView.setLastAccessTime(entryView.getLastAccessTime());
lazyEntryView.setLastUpdateTime(entryView.getLastUpdateTime());
lazyEntryView.setTtl(entryView.getTtl());
lazyEntryView.setCreationTime(entryView.getCreationTime());
lazyEntryView.setHits(entryView.getHits());
lazyEntryView.setExpirationTime(entryView.getExpirationTime());
lazyEntryView.setLastStoredTime(entryView.getLastStoredTime());
return lazyEntryView;
}
}