154 

   154 

   155     /** Lock held by take, poll, etc */

   155     /** Lock held by take, poll, etc */

   156     private final ReentrantLock takeLock = new ReentrantLock();

   156     private final ReentrantLock takeLock = new ReentrantLock();

   157 

   157 

   158     /** Wait queue for waiting takes */

   158     /** Wait queue for waiting takes */

   159     private final Condition notEmpty = takeLock.newCondition();

   160     private final Condition notEmpty = takeLock.newCondition();

   160 

   161 

   161     /** Lock held by put, offer, etc */

   162     /** Lock held by put, offer, etc */

   162     private final ReentrantLock putLock = new ReentrantLock();

   163     private final ReentrantLock putLock = new ReentrantLock();

   163 

   164 

   164     /** Wait queue for waiting puts */

   165     /** Wait queue for waiting puts */

   165     private final Condition notFull = putLock.newCondition();

   167     private final Condition notFull = putLock.newCondition();

   166 

   168 

   167     /**

   169     /**

   168      * Signals a waiting take. Called only from put/offer (which do not

   170      * Signals a waiting take. Called only from put/offer (which do not

   169      * otherwise ordinarily lock takeLock.)

   171      * otherwise ordinarily lock takeLock.)