Method close

tensorflow/java/src/main/java/org/tensorflow/Session.java:90–109

Release resources associated with the Session. Blocks until there are no active executions (Session.Runner#run() calls). A Session is not usable after close returns.

()

   * is not usable after close returns.
   */
  @Override
  public void close() {
    graphRef.close();
    synchronized (nativeHandleLock) {
      if (nativeHandle == 0) {
        return;
      }
      while (numActiveRuns > 0) {
        try {
          nativeHandleLock.wait();
        } catch (InterruptedException e) {
          Thread.currentThread().interrupt();
          // Possible leak of the Session and Graph in this case?
          return;
        }
      }
      delete(nativeHandle);
      nativeHandle = 0;
    }
  }

  /**
   * Run {@link Operation}s and evaluate {@link Tensor Tensors}.