com.baifendian.swordfish.execserver.job.mr.HadoopJarArgsUtil.java Source code

Introduction

Here is the source code for com.baifendian.swordfish.execserver.job.mr.HadoopJarArgsUtil.java

Source

/*
 * Copyright (C) 2017 Baifendian Corporation
 *
 * 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 com.baifendian.swordfish.execserver.job.mr;

import com.baifendian.swordfish.common.job.struct.node.mr.MrParam;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang.StringUtils;

/**
 * Hadoop jar ? <p>
 */
public class HadoopJarArgsUtil {

    /**
     * ? <p>
     *
     * @return ?
     */
    public static List<String> buildArgs(MrParam param) {
        List<String> args = new ArrayList<>();

        //  jar 
        if (StringUtils.isNotEmpty(param.getMainJar().getRes())) {
            args.add(param.getMainJar().getRes());
        }

        //  class
        if (StringUtils.isNotEmpty(param.getMainClass())) {
            args.add(param.getMainClass());
        }

        //  -D
        if (param.getDArgs() != null && !param.getDArgs().isEmpty()) {
            for (String darg : param.getDArgs()) {
                args.add(String.format("%s%s", HadoopJarArgsConst.D, darg));
            }
        }

        //  -libjars
        if (param.getLibJars() != null && !param.getLibJars().isEmpty()) {
            args.add(HadoopJarArgsConst.JARS);
            args.add(StringUtils.join(param.getLibJars().stream().map(p -> p.getSymbolicRes()).toArray(), ","));
        }

        //  -files
        if (param.getFiles() != null && !param.getFiles().isEmpty()) {
            args.add(HadoopJarArgsConst.FILES);
            args.add(StringUtils.join(param.getFiles().stream().map(p -> p.getSymbolicRes()).toArray(), ","));
        }

        //  -archives
        if (param.getArchives() != null && !param.getArchives().isEmpty()) {
            args.add(HadoopJarArgsConst.ARCHIVES);
            args.add(StringUtils.join(param.getArchives().stream().map(p -> p.getSymbolicRes()).toArray(), ","));
        }

        // 
        if (StringUtils.isNotEmpty(param.getQueue())) {
            args.add(String.format("%s%s=%s", HadoopJarArgsConst.D, HadoopJarArgsConst.QUEUE, param.getQueue()));
        }

        // ?
        if (StringUtils.isNotEmpty(param.getArgs())) {
            args.add(param.getArgs());
        }

        return args;
    }
}