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.om.pointables;
  
  import org.apache.asterix.om.pointables.base.IVisitablePointable;
  import org.apache.hyracks.data.std.api.IValueReference;
  
  /**
   * This class implements several "routine" methods in IVisitablePointable
   * interface, so that subclasses do not need to repeat the same code.
   */
  public abstract class AbstractVisitablePointable implements IVisitablePointable {
  
      private byte[] data;
      private int start = -1;
      private int len = -1;
  
      @Override
      public byte[] getByteArray() {
          return data;
      }
  
      @Override
      public int getLength() {
          return len;
      }
  
      @Override
      public int getStartOffset() {
          return start;
      }
  
      @Override
      public void set(byte[] b, int start, int len) {
          this.data = b;
          this.start = start;
          this.len = len;
      }
  
      @Override
      public void set(IValueReference ivf) {
          set(ivf.getByteArray(), ivf.getStartOffset(), ivf.getLength());
      }
  
      @Override
      public String toString() {
          return "{ \"class\" : \"" + getClass().getSimpleName() + "\", \"data\" : "
                  + (data == null ? "null" : ("\"" + System.identityHashCode(data) + ":" + data.length + "\""))
                  + ", \"offset\" : " + start + ", \"length\" : " + len + " }";
      }
  }
  