code: protected ActiveMqQueueFactory<T, ID, DATA> setDefaultConnectionFactory(
              ActiveMQConnectionFactory connectionFactory, boolean setMyOwnConnectionFactory) {
          if (myOwnConnectionFactory && this.defaultConnectionFactory != null) {
              // destroy this.defaultConnectionFactory instance
          }
          this.defaultConnectionFactory = connectionFactory;
          myOwnConnectionFactory = setMyOwnConnectionFactory;
          return this;
      }
docs: Setter for {@link #defaultConnectionFactory}.
  
  @param connectionFactory
  @param setMyOwnConnectionFactory
  @return
  @since 0.7.1