org.apache.tajo.util.TajoIdUtils.java Source code

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Here is the source code for org.apache.tajo.util.TajoIdUtils.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.tajo.util;

import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.tajo.QueryId;
import org.apache.tajo.SubQueryId;
import org.apache.tajo.TajoIdProtos.SubQueryIdProto;

public class TajoIdUtils {
    /** It is mainly for DDL statements which don's have any query id. */
    public static final QueryId NullQueryId = TajoIdUtils.createQueryId(BuilderUtils.newApplicationId(0, 0), 0);

    public static QueryId createQueryId(ApplicationId appId, int attemptId) {
        return newQueryId(appId, attemptId);
    }

    public static QueryId createQueryId(ApplicationAttemptId appAttemptId) {
        QueryId queryId = new QueryId();
        queryId.setApplicationId(appAttemptId.getApplicationId());
        queryId.setAttemptId(appAttemptId.getAttemptId());
        return queryId;
    }

    public static QueryId createQueryId(String queryId) {
        String[] split = queryId.split(QueryId.SEPARATOR);
        ApplicationId appId = BuilderUtils.newApplicationId(Long.valueOf(split[1]), Integer.parseInt(split[2]));
        int idInt = Integer.parseInt(split[2]);
        return newQueryId(appId, idInt);
    }

    public static SubQueryId createSubQueryId(QueryId queryId, int subQueryIdInt) {
        return newSubQueryId(queryId, subQueryIdInt);
    }

    public static QueryId newQueryId(ApplicationId appId, int id) {
        QueryId queryId = new QueryId();
        queryId.setApplicationId(appId);
        queryId.setAttemptId(id);
        return queryId;
    }

    public static SubQueryId newSubQueryId(QueryId jobId, int id) {
        SubQueryId taskId = new SubQueryId();
        taskId.setQueryId(jobId);
        taskId.setId(id);
        return taskId;
    }

    public static SubQueryId newSubQueryId(String subQueryId) {
        String[] split = subQueryId.split(QueryId.SEPARATOR);
        ApplicationId appId = BuilderUtils.newApplicationId(Long.valueOf(split[1]), Integer.valueOf(split[2]));
        QueryId queryId = TajoIdUtils.createQueryId(appId, Integer.valueOf(split[3]));
        return createSubQueryId(queryId, Integer.parseInt(split[4]));
    }

    public static SubQueryId newSubQueryId(SubQueryIdProto proto) {
        SubQueryId subId = new SubQueryId(proto);
        return subId;
    }
}