content: /*
   * 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.odps.table.read.split.impl;
  
  import com.aliyun.odps.table.read.split.InputSplit;
  import com.aliyun.odps.table.read.split.InputSplitAssigner;
  
  public class IndexedInputSplitAssigner implements InputSplitAssigner {
  
      private final int totalSplitCount;
  
      private final String sessionId;
  
      public IndexedInputSplitAssigner(String sessionId,
                                       int totalSplitCount) {
          this.sessionId = sessionId;
          this.totalSplitCount = totalSplitCount;
      }
  
      @Override
      public int getSplitsCount() {
          return totalSplitCount;
      }
  
      @Override
      public InputSplit getSplit(int index) {
          if (index >= this.totalSplitCount) {
              throw new IllegalArgumentException("Index of input split exceed max count");
          }
          return new IndexedInputSplit(sessionId, index);
      }
  
      @Override
      public InputSplit[] getAllSplits() {
          InputSplit[] splits = new IndexedInputSplit[totalSplitCount];
          for (int i = 0; i < this.totalSplitCount; i++) {
              splits[i] = new IndexedInputSplit(sessionId, i);
          }
          return splits;
      }
  }
  