openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/util/RequestContextUtil.java

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.openflowplugin.impl.services.util;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  12 import org.opendaylight.yangtools.yang.common.ErrorTag;
  13 import org.opendaylight.yangtools.yang.common.ErrorType;
  14 import org.opendaylight.yangtools.yang.common.RpcResult;
  15 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  16 import org.slf4j.Logger;
  17
  18 public final class RequestContextUtil {
  19     private static final Logger LOG = org.slf4j.LoggerFactory.getLogger(RequestContextUtil.class);
  20
  21     private RequestContextUtil() {
  22         // Hidden on purpose
  23     }
  24
  25     public static <T> ListenableFuture<RpcResult<T>> closeRequestContextWithRpcError(
  26                                                                                 final RequestContext<T> requestContext,
  27                                                                                 final String errorMessage) {
  28         RpcResultBuilder<T> rpcResultBuilder = RpcResultBuilder.<T>failed().withRpcError(RpcResultBuilder
  29                 .newError(ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED, errorMessage));
  30         requestContext.setResult(rpcResultBuilder.build());
  31         closeRequestContext(requestContext);
  32         return requestContext.getFuture();
  33     }
  34
  35     @SuppressWarnings("checkstyle:IllegalCatch")
  36     public static void closeRequestContext(final RequestContext<?> requestContext) {
  37         try {
  38             requestContext.close();
  39         } catch (Exception e) {
  40             LOG.error("Request context failed to close", e);
  41         }
  42     }
  43 }