opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/LegacyDOMRpcResultFutureAdapter.java

   1 /*
   2  * Copyright (c) 2018 Inocybe Technologies 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.controller.sal.core.compat;
   9
  10 import com.google.common.util.concurrent.CheckedFuture;
  11 import com.google.common.util.concurrent.FluentFuture;
  12 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  13 import java.util.concurrent.ExecutionException;
  14 import java.util.concurrent.TimeUnit;
  15 import java.util.concurrent.TimeoutException;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  19 import org.opendaylight.controller.md.sal.dom.api.DefaultDOMRpcException;
  20 import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
  21 import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
  22
  23 /**
  24  * Adapts a {@link org.opendaylight.mdsal.dom.api.DOMRpcResult} CheckedFuture to a {@link DOMRpcResult} CheckedFuture.
  25  *
  26  * @author Thomas Pantelis
  27  */
  28 public class LegacyDOMRpcResultFutureAdapter extends AbstractDOMRpcResultFutureAdapter<DOMRpcResult,
  29         org.opendaylight.mdsal.dom.api.DOMRpcResult, FluentFuture<org.opendaylight.mdsal.dom.api.DOMRpcResult>,
  30         DOMRpcException> implements CheckedFuture<DOMRpcResult, DOMRpcException> {
  31
  32     private static final ExceptionMapper<DOMRpcException> LEGACY_DOM_RPC_EX_MAPPER =
  33             new ExceptionMapper<DOMRpcException>("rpc", DOMRpcException.class) {
  34         @Override
  35         protected DOMRpcException newWithCause(String message, Throwable cause) {
  36             return cause instanceof DOMRpcException ? (DOMRpcException)cause
  37                 : cause instanceof org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException
  38                     ? new DOMRpcImplementationNotAvailableException(cause.getMessage(), cause.getCause())
  39                         : new DefaultDOMRpcException("RPC failed", cause);
  40         }
  41     };
  42
  43     public LegacyDOMRpcResultFutureAdapter(FluentFuture<org.opendaylight.mdsal.dom.api.DOMRpcResult> delegate) {
  44         super(delegate, LEGACY_DOM_RPC_EX_MAPPER);
  45     }
  46
  47     @Override
  48     @SuppressFBWarnings("BC_UNCONFIRMED_CAST_OF_RETURN_VALUE")
  49     public DOMRpcResult checkedGet() throws DOMRpcException {
  50         try {
  51             return get();
  52         } catch (InterruptedException | ExecutionException e) {
  53             throw LEGACY_DOM_RPC_EX_MAPPER.apply(e);
  54         }
  55     }
  56
  57     @Override
  58     @SuppressFBWarnings("BC_UNCONFIRMED_CAST_OF_RETURN_VALUE")
  59     public DOMRpcResult checkedGet(final long timeout, final TimeUnit unit) throws TimeoutException, DOMRpcException {
  60         try {
  61             return get(timeout, unit);
  62         } catch (InterruptedException | ExecutionException e) {
  63             throw LEGACY_DOM_RPC_EX_MAPPER.apply(e);
  64         }
  65     }
  66
  67     @Override
  68     protected DOMRpcResult transform(org.opendaylight.mdsal.dom.api.DOMRpcResult fromResult) {
  69         return new DefaultDOMRpcResult(fromResult.getResult(), fromResult.getErrors());
  70     }
  71 }