Android Open Source - anode Finalize Queue

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2011-2012 Paddy Byers/*w ww  .  j  a  va  2  s.c o m*/
 *
 *   Licensed 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.meshpoint.anode.bridge;

public class FinalizeQueue implements SynchronousOperation {
  
  /********************
   * private state
   ********************/
  private final String TAG = FinalizeQueue.class.getCanonicalName();
  private Env env;
  private static final int QUEUE_LENGTH = 1024;
  private long[] handleBuffer = new long[QUEUE_LENGTH];
  private int[] typeBuffer = new int[QUEUE_LENGTH];
  private int count;
  
  /********************
   * public API
   *******************/
  
  public FinalizeQueue(Env env) {
    this.env = env;
  }
  
  /**
   * Appends a new item to the queue; may be called
   * from any thread
   * @param h the handle
   */
  public synchronized void put(long h, int type) {
    if(count == QUEUE_LENGTH)
      env.waitForOperation(this);
    if(count == QUEUE_LENGTH)
      throw new RuntimeException("Fatal error processing FinalizeQueue");
    handleBuffer[count] = h;
    typeBuffer[count++] = type;
  }

  /**
   * Removes and releases all items currently queued
   */
  @Override
  public synchronized void run() {
    for(int i = 0; i < count; i++) {
      //Log.v(TAG, "Finalizing; instHandle = " + handleBuffer[i] + "; type = " + typeBuffer[i]);
      BridgeNative.releaseObjectHandle(env.envHandle, handleBuffer[i], typeBuffer[i]);
    }
    count = 0;
  }

  @Override
  public synchronized boolean isPending() {
    return count > 0;
  }

  @Override
  public void cancel() {}
}

Java Source Code List

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