com.hazelcast.map.impl.mapstore.writebehind.entry.DelayedEntries 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.map.impl.mapstore.writebehind.entry;
/**
* Mainly contains static factory methods to create various {@link DelayedEntry} instances.
*/
public final class DelayedEntries {
private static final DelayedEntry EMPTY_DELAYED_ENTRY = new EmptyDelayedEntry();
private DelayedEntries() {
}
public static DelayedEntry createDefault(K key, V value, long storeTime, int partitionId) {
return new AddedDelayedEntry(key, value, storeTime, partitionId);
}
public static DelayedEntry createWithoutValue(K key) {
return new NullValueDelayedEntry(key);
}
public static DelayedEntry createWithoutValue(K key, long storeTime, int partitionId) {
return new DeletedDelayedEntry(key, storeTime, partitionId);
}
public static DelayedEntry emptyDelayedEntry() {
return EMPTY_DELAYED_ENTRY;
}
private static class EmptyDelayedEntry implements DelayedEntry {
@Override
public Object getKey() {
return null;
}
@Override
public Object getValue() {
return null;
}
@Override
public long getStoreTime() {
return -1L;
}
@Override
public int getPartitionId() {
return -1;
}
@Override
public void setStoreTime(long storeTime) {
}
}
}