org.apache.flume.source.AbstractSource.java Source code

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Here is the source code for org.apache.flume.source.AbstractSource.java

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/*
 * 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.channel.ChannelProcessor;
import org.apache.flume.lifecycle.LifecycleState;

import com.google.common.base.Preconditions;

abstract public class AbstractSource implements Source {

    private ChannelProcessor channelProcessor;
    private String name;

    private LifecycleState lifecycleState;

    public AbstractSource() {
        lifecycleState = LifecycleState.IDLE;
    }

    @Override
    public synchronized void start() {
        Preconditions.checkState(channelProcessor != null, "No channel processor configured");

        lifecycleState = LifecycleState.START;
    }

    @Override
    public synchronized void stop() {
        lifecycleState = LifecycleState.STOP;
    }

    @Override
    public synchronized void setChannelProcessor(ChannelProcessor cp) {
        channelProcessor = cp;
    }

    @Override
    public synchronized ChannelProcessor getChannelProcessor() {
        return channelProcessor;
    }

    @Override
    public synchronized LifecycleState getLifecycleState() {
        return lifecycleState;
    }

    @Override
    public synchronized void setName(String name) {
        this.name = name;
    }

    @Override
    public synchronized String getName() {
        return name;
    }
}