/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.cache.query;
import javax.cache.Cache;
import javax.cache.event.CacheEntryEvent;
import javax.cache.event.EventType;
/**
* A Cache continuous query entry event.
*
* @param <K> The type of key.
* @param <V> The type of value.
*/
public abstract class CacheQueryEntryEvent<K, V> extends CacheEntryEvent<K, V> {
/**
* Constructs a cache entry event from a given cache as source.
*
* @param src The cache that originated the event.
* @param evtType Event type.
*/
public CacheQueryEntryEvent(Cache src, EventType evtType) {
super(src, evtType);
}
/**
* Each cache update increases partition counter. The same cache updates have on the same value of counter
* on primary and backup nodes. This value can be useful to communicate with external applications.
*
* @return Value of counter for this event.
*/
public abstract long getPartitionUpdateCounter();
}