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.asterix.runtime.operators.joins.interval.utils.memory;
  
  import java.util.Comparator;
  
  import org.apache.hyracks.dataflow.std.structures.IResetable;
  
  public final class RunFilePointer implements IResetable<RunFilePointer> {
      public static final int INVALID_ID = -1;
      private long fileOffset;
      private int tupleIndex;
  
      public static final Comparator<RunFilePointer> ASC = (tp1, tp2) -> {
          int c = (int) (tp1.getFileOffset() - tp2.getFileOffset());
          if (c == 0) {
              c = tp1.getTupleIndex() - tp2.getTupleIndex();
          }
          return c;
      };
  
      public static final Comparator<RunFilePointer> DESC = (tp1, tp2) -> {
          int c = (int) (tp2.getFileOffset() - tp1.getFileOffset());
          if (c == 0) {
              c = tp2.getTupleIndex() - tp1.getTupleIndex();
          }
          return c;
      };
  
      public RunFilePointer() {
          this(INVALID_ID, INVALID_ID);
      }
  
      public RunFilePointer(long fileOffset, int tupleId) {
          reset(fileOffset, tupleId);
      }
  
      public long getFileOffset() {
          return fileOffset;
      }
  
      public int getTupleIndex() {
          return tupleIndex;
      }
  
      @Override
      public void reset(RunFilePointer other) {
          reset(other.fileOffset, other.tupleIndex);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          } else if (o == null || getClass() != o.getClass()) {
              return false;
          } else {
              final RunFilePointer that = (RunFilePointer) o;
              return fileOffset == that.fileOffset && tupleIndex == that.tupleIndex;
          }
      }
  
      @Override
      public int hashCode() {
          int result = (int) fileOffset;
          result = 31 * result + tupleIndex;
          return result;
      }
  
      public void reset(long fileOffset, int tupleId) {
          this.fileOffset = fileOffset;
          this.tupleIndex = tupleId;
      }
  
      @Override
      public String toString() {
          return "RunFilePointer(" + fileOffset + ", " + tupleIndex + ")";
      }
  
  }
  