com.hazelcast.map.EventLostEvent Maven / Gradle / Ivy
/*
* 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;
import com.hazelcast.core.EntryEventType;
import com.hazelcast.core.IMapEvent;
import com.hazelcast.core.Member;
/**
* This event is fired in case of an event lost detection.
* The fired event can be caught by implementing {@link com.hazelcast.map.listener.EventLostListener EventLostListener}.
*
* @see com.hazelcast.map.listener.EventLostListener
*/
public class EventLostEvent implements IMapEvent {
/**
* Event type id.
*
* @see EntryEventType
*/
public static final int EVENT_TYPE = getNextEntryEventTypeId();
// TODO EntryEvenType extensibility.
private final int partitionId;
private final String source;
private final Member member;
public EventLostEvent(String source, Member member, int partitionId) {
this.source = source;
this.member = member;
this.partitionId = partitionId;
}
public int getPartitionId() {
return partitionId;
}
@Override
public Member getMember() {
return member;
}
/**
* Intentionally returns null.
* Used in {@link com.hazelcast.map.impl.querycache.subscriber.InternalQueryCacheListenerAdapter}.
*
* @return null.
* @see com.hazelcast.map.impl.querycache.subscriber.InternalQueryCacheListenerAdapter
*/
@Override
public EntryEventType getEventType() {
return null;
}
@Override
public String getName() {
return source;
}
/**
* Returns next event type id.
*
* @return next event type id.
* @see EntryEventType
*/
private static int getNextEntryEventTypeId() {
int higherTypeId = Integer.MIN_VALUE;
int i = 0;
EntryEventType[] values = EntryEventType.values();
for (EntryEventType value : values) {
int typeId = value.getType();
if (i == 0) {
higherTypeId = typeId;
} else {
if (typeId > higherTypeId) {
higherTypeId = typeId;
}
}
i++;
}
int eventFlagPosition = Integer.numberOfTrailingZeros(higherTypeId);
return 1 << ++eventFlagPosition;
}
}