/*
* 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.flume.source;
import org.apache.flume.Source;
import org.apache.flume.SourceRunner;
import org.apache.flume.channel.ChannelProcessor;
import org.apache.flume.lifecycle.LifecycleState;
/**
* Starts, stops, and manages
* {@linkplain EventDrivenSource event-driven sources}.
*/
public class EventDrivenSourceRunner extends SourceRunner {
private LifecycleState lifecycleState;
public EventDrivenSourceRunner() {
lifecycleState = LifecycleState.IDLE;
}
@Override
public void start() {
Source source = getSource();
ChannelProcessor cp = source.getChannelProcessor();
cp.initialize();
source.start();
lifecycleState = LifecycleState.START;
}
@Override
public void stop() {
Source source = getSource();
source.stop();
ChannelProcessor cp = source.getChannelProcessor();
cp.close();
lifecycleState = LifecycleState.STOP;
}
@Override
public String toString() {
return "EventDrivenSourceRunner: { source:" + getSource() + " }";
}
@Override
public LifecycleState getLifecycleState() {
return lifecycleState;
}
}