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 org.apache.carbondata.processing.loading.sort.unsafe.sort;
  
  import org.apache.carbondata.core.memory.IntPointerBuffer;
  import org.apache.carbondata.processing.loading.sort.unsafe.UnsafeCarbonRowPage;
  import org.apache.carbondata.processing.loading.sort.unsafe.holder.UnsafeCarbonRow;
  
  /**
   * Interface implementation for utilities to sort the data.
   */
  public class UnsafeIntSortDataFormat
      extends SortDataFormat<UnsafeCarbonRow, IntPointerBuffer> {
  
    private UnsafeCarbonRowPage page;
  
    public UnsafeIntSortDataFormat(UnsafeCarbonRowPage page) {
      this.page = page;
    }
  
    @Override
    public UnsafeCarbonRow getKey(IntPointerBuffer data, int pos) {
      // Since we re-use keys, this method shouldn't be called.
      throw new UnsupportedOperationException();
    }
  
    @Override
    public UnsafeCarbonRow newKey() {
      return new UnsafeCarbonRow();
    }
  
    @Override
    public UnsafeCarbonRow getKey(IntPointerBuffer data, int pos, UnsafeCarbonRow reuse) {
      reuse.address = data.get(pos) + page.getDataBlock().getBaseOffset();
      return reuse;
    }
  
    @Override
    public void swap(IntPointerBuffer data, int pos0, int pos1) {
      int tempPointer = data.get(pos0);
      data.set(pos0, data.get(pos1));
      data.set(pos1, tempPointer);
    }
  
    @Override
    public void copyElement(IntPointerBuffer src, int srcPos, IntPointerBuffer dst, int dstPos) {
      dst.set(dstPos, src.get(srcPos));
    }
  
    @Override
    public void copyRange(IntPointerBuffer src, int srcPos, IntPointerBuffer dst, int dstPos,
        int length) {
      System.arraycopy(src.getPointerBlock(), srcPos, dst.getPointerBlock(), dstPos, length);
    }
  
    @Override
    public IntPointerBuffer allocate(int length) {
      return new IntPointerBuffer(length);
    }
  }
  