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.column.common.buffer;
  
  import java.nio.ByteBuffer;
  
  import org.apache.hyracks.storage.common.buffercache.CachedPage;
  import org.apache.hyracks.storage.common.file.BufferedFileHandle;
  
  public class DummyPage extends CachedPage {
      private final ByteBuffer buffer;
      private final int fileId;
      private final int pageId;
      private final long dpid;
  
      DummyPage(ByteBuffer buffer, int fileId, int pageId) {
          this.buffer = buffer;
          this.fileId = fileId;
          this.pageId = pageId;
          this.dpid = BufferedFileHandle.getDiskPageId(fileId, pageId);
      }
  
      @Override
      public ByteBuffer getBuffer() {
          return buffer;
      }
  
      public int getFileId() {
          return fileId;
      }
  
      public int getPageId() {
          return pageId;
      }
  
      DummyPage duplicate(int fileId) {
          ByteBuffer duplicate = buffer.duplicate();
          return new DummyPage(duplicate, fileId, pageId);
      }
  
      @Override
      public long getDiskPageId() {
          return dpid;
      }
  
      /*
       * **********************************************************
       *  Not used
       * **********************************************************
       */
      @Override
      public void acquireReadLatch() {
  
      }
  
      @Override
      public void releaseReadLatch() {
  
      }
  
      @Override
      public void acquireWriteLatch() {
  
      }
  
      @Override
      public void releaseWriteLatch(boolean markDirty) {
  
      }
  
      @Override
      public boolean confiscated() {
          return false;
      }
  
      @Override
      public int getPageSize() {
          return 0;
      }
  
      @Override
      public int getFrameSizeMultiplier() {
          return 0;
      }
  
      @Override
      public void setDiskPageId(long dpid) {
  
      }
  
      @Override
      public boolean isLargePage() {
          return false;
      }
  }
  