apps/netconf-nb/src/main/java/org/opendaylight/netconf/northbound/ssh/ExecutorServiceFacade.java

   1 /*
   2  * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netconf.northbound.ssh;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.ForwardingExecutorService;
  13 import java.util.concurrent.ExecutorService;
  14
  15 /**
  16  * Facade for guarding against {@link #shutdown()} invocations. This is necessary as SSHD wants to shutdown the executor
  17  * when the server shuts down.
  18  */
  19 final class ExecutorServiceFacade extends ForwardingExecutorService {
  20     private final ExecutorService delegate;
  21
  22     ExecutorServiceFacade(final ExecutorService delegate) {
  23         this.delegate = requireNonNull(delegate);
  24     }
  25
  26     @Override
  27     protected ExecutorService delegate() {
  28         return delegate;
  29     }
  30
  31     @Override
  32     public void shutdown() {
  33         // NO-OP
  34     }
  35 }