tool.java

来自「hadoop:Nutch集群平台」· Java 代码 · 共 36 行

/**
 * Copyright 2005 The Apache Software Foundation
 *
 * Licensed 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.util;

import org.apache.hadoop.conf.Configurable;

/**
 * A tool interface that support generic options handling
 * 
 * @author hairong
 *
 */
public interface Tool extends Configurable {
    /**
     * execute the command with the given arguments
     * @param args command specific arguments
     * @return exit code
     * @throws Exception
     */
    int run( String [] args ) throws Exception;
}