com.hazelcast.map.impl.querycache.publisher.NonStopPublisherAccumulator 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.impl.querycache.publisher;
import com.hazelcast.map.impl.querycache.QueryCacheContext;
import com.hazelcast.map.impl.querycache.accumulator.AccumulatorInfo;
import com.hazelcast.map.impl.querycache.accumulator.BasicAccumulator;
import com.hazelcast.map.impl.querycache.event.sequence.Sequenced;
import java.util.concurrent.TimeUnit;
/**
* This accumulator immediately publishes incoming events by only giving a sequence number to them.
*
* An instance of this class is called by at most one thread at a time.
*/
class NonStopPublisherAccumulator extends BasicAccumulator {
NonStopPublisherAccumulator(QueryCacheContext context, AccumulatorInfo info) {
super(context, info);
}
@Override
public void accumulate(Sequenced eventData) {
super.accumulate(eventData);
AccumulatorInfo info = getInfo();
if (!info.isPublishable()) {
return;
}
poll(handler, 0, TimeUnit.SECONDS);
}
}