| /* |
| * 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.hadoop.chukwa.datacollection.adaptor; |
| |
| import org.apache.hadoop.chukwa.datacollection.ChunkReceiver; |
| import org.apache.hadoop.chukwa.datacollection.agent.AdaptorManager; |
| |
| public abstract class AbstractAdaptor implements Adaptor { |
| |
| |
| protected String type; |
| protected ChunkReceiver dest; |
| protected String adaptorID; |
| protected AdaptorManager control; |
| |
| @Override |
| public final String getType() { |
| return type; |
| } |
| |
| @Override |
| public final void start(String adaptorID, String type, long offset, |
| ChunkReceiver dest) throws AdaptorException { |
| this.adaptorID = adaptorID; |
| this.type = type; |
| this.dest=dest; |
| start(offset); |
| } |
| |
| public abstract void start(long offset) throws AdaptorException; |
| public abstract String parseArgs(String s); |
| |
| public void deregisterAndStop() { |
| control.stopAdaptor(adaptorID, AdaptorShutdownPolicy.HARD_STOP); |
| } |
| |
| public String parseArgs(String d, String s, AdaptorManager c) { |
| control = c; |
| return parseArgs(s); |
| } |
| |
| |
| |
| @Deprecated |
| public void hardStop() throws AdaptorException { |
| shutdown(AdaptorShutdownPolicy.HARD_STOP); |
| } |
| |
| @Deprecated |
| public long shutdown() throws AdaptorException { |
| return shutdown(AdaptorShutdownPolicy.GRACEFULLY); |
| } |
| |
| } |