applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/util/FxChainUtil.java

   1 /**
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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
   9 package org.opendaylight.openflowplugin.applications.frsync.util;
  10
  11 import com.google.common.base.MoreObjects;
  12 import com.google.common.collect.ImmutableList;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import java.util.Arrays;
  15 import java.util.Collection;
  16 import javax.annotation.Nullable;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  18 import org.opendaylight.yangtools.yang.common.RpcError;
  19 import org.opendaylight.yangtools.yang.common.RpcResult;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * Util methods for {@link com.google.common.util.concurrent.ListenableFuture} chaining.
  25  */
  26 public final class FxChainUtil {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(FxChainUtil.class);
  29
  30     private FxChainUtil() {
  31         throw new IllegalStateException("This class should not be instantiated.");
  32     }
  33
  34
  35     public static FutureCallback<RpcResult<Void>> logResultCallback(final NodeId nodeId, final String prefix) {
  36         return new FutureCallback<RpcResult<Void>>() {
  37             @Override
  38             public void onSuccess(@Nullable final RpcResult<Void> result) {
  39                 if (result != null) {
  40                     if (result.isSuccessful()) {
  41                         LOG.debug(prefix + " finished successfully: {}", nodeId.getValue());
  42                     } else {
  43                         final Collection<RpcError> errors = MoreObjects.firstNonNull(result.getErrors(),
  44                                 ImmutableList.<RpcError>of());
  45                         LOG.debug(prefix + " failed: {} -> {}", nodeId.getValue(), Arrays.toString(errors.toArray()));
  46                     }
  47                 } else {
  48                     LOG.debug(prefix + " reconciliation failed: {} -> null result", nodeId.getValue());
  49                 }
  50             }
  51
  52             @Override
  53             public void onFailure(final Throwable failure) {
  54                 LOG.debug(prefix + " reconciliation failed seriously: {}", nodeId.getValue(), failure);
  55             }
  56         };
  57     }
  58 }