com.aliyun.openservices.odps.console.pub.StatusOfInstanceCommand.java Source code

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Here is the source code for com.aliyun.openservices.odps.console.pub.StatusOfInstanceCommand.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 com.aliyun.openservices.odps.console.pub;

import java.io.PrintStream;
import java.util.Map;

import org.apache.commons.lang.WordUtils;

import com.aliyun.odps.Instance;
import com.aliyun.odps.Instance.TaskStatus;
import com.aliyun.odps.Odps;
import com.aliyun.odps.OdpsException;
import com.aliyun.openservices.odps.console.ExecutionContext;
import com.aliyun.openservices.odps.console.ODPSConsoleException;
import com.aliyun.openservices.odps.console.commands.AbstractCommand;
import com.aliyun.openservices.odps.console.common.InstanceContext;
import com.aliyun.openservices.odps.console.common.JobDetailInfo;
import com.aliyun.openservices.odps.console.constants.ODPSConsoleConstants;
import com.aliyun.openservices.odps.console.utils.ConnectionCreator;

public class StatusOfInstanceCommand extends AbstractCommand {

    public static final String[] HELP_TAGS = new String[] { "status", "instance" };

    public static void printUsage(PrintStream stream) {
        stream.println("Usage: status [extended] <instanceID>");
    }

    private String instanceId;
    private boolean extended;

    private InstanceContext instanceContext;

    public StatusOfInstanceCommand(String instanceId, String commandText, ExecutionContext context,
            boolean extended, InstanceContext instanceContext) {
        super(commandText, context);
        this.instanceId = instanceId;
        this.extended = extended;
        this.instanceContext = instanceContext;
    }

    @Override
    public void run() throws OdpsException, ODPSConsoleException {

        Odps odps = getCurrentOdps();

        if (extended == false) {
            Instance inst = odps.instances().get(instanceId);
            Map<String, TaskStatus> taskStatus = inst.getTaskStatus();
            for (TaskStatus task : taskStatus.values()) {
                String status = task.getStatus().toString();
                status = WordUtils.capitalizeFully(status);
                // ?status, task?
                getWriter().writeResult(status);
            }
        } else {
            JobDetailInfo jobDetailInfo = new JobDetailInfo(instanceContext);
            jobDetailInfo.printJobDetails();
        }
    }

    public static StatusOfInstanceCommand parse(String command, ExecutionContext session)
            throws ODPSConsoleException, OdpsException {

        if (command.toUpperCase().matches("\\s*STATUS\\s+EXTENDED\\s+.*")) {

            command = command.trim();
            String str[] = command.split("\\s+");
            if (str.length != 3)
                throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND);

            InstanceContext instanceContext = new InstanceContext();
            if (instanceContext.getConn() == null) {
                ConnectionCreator tmpCC = new ConnectionCreator();
                instanceContext.setConn(tmpCC.create(session));
            }
            instanceContext.setSession(session);
            instanceContext.setProjectByName(session.getProjectName());

            instanceContext.setInstanceById(str[2]);
            StatusOfInstanceCommand comm = new StatusOfInstanceCommand(str[2], command, session, true,
                    instanceContext);
            return comm;

        } else if (command.toUpperCase().matches("\\s*STATUS\\s+.*")) {
            command = command.trim();
            String str[] = command.split("\\s+");
            if (str.length == 3)
                return null;
            if (str.length != 2)
                throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND);
            return new StatusOfInstanceCommand(str[1], command, session, false, null);
        }
        return null;
    }
}