/**
* 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 com.alibaba.jstorm.hdfs.bolt.sync;
import backtype.storm.tuple.Tuple;
/**
* SyncPolicy implementation that will trigger a
* file system sync after a certain number of tuples
* have been processed.
*/
public class CountSyncPolicy implements SyncPolicy {
private int count;
private int executeCount = 0;
public CountSyncPolicy(int count){
this.count = count;
}
@Override
public boolean mark(Tuple tuple, long offset) {
this.executeCount++;
return this.executeCount >= this.count;
}
@Override
public void reset() {
this.executeCount = 0;
}
}