/**
* 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.common.metric.old.window;
import com.alibaba.jstorm.common.metric.old.operator.Sampling;
import com.alibaba.jstorm.common.metric.old.operator.StartTime;
import com.alibaba.jstorm.common.metric.old.operator.merger.Merger;
import com.alibaba.jstorm.common.metric.old.operator.updater.Updater;
import java.util.ArrayList;
public class AllWindow<V> implements Sampling<V>, StartTime {
private static final long serialVersionUID = -8523514907315740812L;
protected V unflushed;
protected V defaultValue;
protected Updater<V> updater;
protected Merger<V> merger;
protected long startTime;
AllWindow(V defaultValue, Updater<V> updater, Merger<V> merger) {
this.updater = updater;
this.merger = merger;
this.defaultValue = defaultValue;
this.startTime = System.currentTimeMillis();
}
@Override
public void update(Number obj) {
// TODO Auto-generated method stub
synchronized (this) {
unflushed = updater.update(obj, unflushed);
}
}
public void updateBatch(V batch) {
synchronized (this) {
unflushed = updater.updateBatch(batch, unflushed);
}
}
@Override
public V getSnapshot() {
// TODO Auto-generated method stub
V ret = merger.merge(new ArrayList<V>(), unflushed, this);
if (ret == null) {
return defaultValue;
} else {
return ret;
}
}
@Override
public long getStartTime() {
// TODO Auto-generated method stub
return startTime;
}
}