Android Open Source - BluetoothSppPro C Resource P V

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License

The source code is released under:

Apache License

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Java Source Code

package mobi.dzs.android.bluetooth;
/*  ww  w  .j av a 2 s  . com*/
/**
 * PV???????????????
 * @version 1.0 2014-04-24
 * @author JerryLi (lijian@dzs.mobi)
 */
final public class CResourcePV {
  private int iCount=0;
  /** 
   * ??
   * @param iResourceCount int ???????
   */
  public CResourcePV(int iResourceCount){
    this.iCount = iResourceCount;
  }
  /**
   * ???????????
   * @return boolean
   */
  public boolean isExist(){
    synchronized(this){
      return iCount == 0;
    }
  }
  /**
   * ??????????
   * @return
   */
  public boolean seizeRes(){
    synchronized(this){
      if (this.iCount > 0){
        iCount--;
        return true;
      }else
        return false;
    }
  }
  /**
   * ????????
   * @return
   */
  public void revert(){
    synchronized(this){
      iCount++;
    }
  }
}

Java Source Code List