/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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.cloudera.flume.handlers.rolling;
import java.util.Date;
import com.cloudera.flume.conf.FlumeConfiguration;
import com.cloudera.flume.core.Event;
import com.cloudera.util.Clock;
/**
* Triggers when a specified duration of time has passed.
*/
public class TimeTrigger implements RollTrigger {
Tagger tagger;
long maxAge;
public TimeTrigger() {
FlumeConfiguration conf = FlumeConfiguration.get();
this.maxAge = conf.getAgentLogMaxAge();
this.tagger = new ProcessTagger();
}
public TimeTrigger(FlumeConfiguration conf, Tagger t) {
this.maxAge = conf.getAgentLogMaxAge();
this.tagger = t;
}
public TimeTrigger(long maxAge) {
this.maxAge = maxAge;
this.tagger = new ProcessTagger();
}
public TimeTrigger(Tagger t, long maxAge) {
this.maxAge = maxAge;
this.tagger = t;
}
@Override
public boolean isTriggered() {
Date d = tagger.getDate();
long time = Clock.unixTime(); // this will kill performance.
long delta = time - d.getTime();
return (delta >= maxAge);
}
@Override
public void append(Event e) {
// DO NOTHING
}
@Override
public Tagger getTagger() {
return tagger;
}
@Override
public void reset() {
// TODO (jon) make this cleaner
tagger.newTag(); // this updates the timestamp in the tagger
}
@Override
public String toString() {
return "TimeTrigger: maxAge=" + maxAge + " tagger=" + tagger;
}
}