tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/IndexExecutorUtil.java

/**
 * 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.engine.planner.physical;

import org.apache.hadoop.conf.Configuration;
import org.apache.tajo.catalog.proto.CatalogProtos.FragmentProto;
import org.apache.tajo.storage.fragment.FileFragment;
import org.apache.tajo.storage.fragment.FragmentConvertor;

public class IndexExecutorUtil {

  public static String getIndexFileName(Configuration conf, FragmentProto fragmentProto) {
    FileFragment fileFragment = FragmentConvertor.convert(conf, fragmentProto);
    StringBuilder sb = new StringBuilder();
    sb.append(fileFragment.getPath().getName()).append(fileFragment.getStartKey()).append(fileFragment.getLength());
    return sb.toString();
  }
}