opendaylight/md-sal/sal-common-util/src/main/java/org/opendaylight/controller/sal/common/util/Rpcs.java

   1 /*
   2  * Copyright (c) 2013 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.controller.sal.common.util;
   9
  10 import java.io.Serializable;
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.Collections;
  14
  15 import org.opendaylight.yangtools.concepts.Immutable;
  16 import org.opendaylight.yangtools.yang.common.RpcError;
  17 import org.opendaylight.yangtools.yang.common.RpcResult;
  18
  19 import com.google.common.collect.ImmutableList;
  20
  21 public class Rpcs {
  22
  23     public static <T> RpcResult<T> getRpcResult(boolean successful) {
  24         RpcResult<T> ret = new RpcResultTO<T>(successful, null, ImmutableList.<RpcError>of());
  25         return ret;
  26     }
  27
  28     public static <T> RpcResult<T> getRpcResult(boolean successful, T result,
  29             Collection<RpcError> errors) {
  30         RpcResult<T> ret = new RpcResultTO<T>(successful, result, errors);
  31         return ret;
  32     }
  33
  34     public static <T> RpcResult<T> getRpcResult(boolean successful, Collection<RpcError> errors) {
  35         return new RpcResultTO<T>(successful, null, errors);
  36     }
  37
  38     private static class RpcResultTO<T> implements RpcResult<T>, Serializable, Immutable {
  39         private static final long serialVersionUID = 1L;
  40         private final Collection<RpcError> errors;
  41         private final T result;
  42         private final boolean successful;
  43
  44         public RpcResultTO(boolean successful, T result,
  45                 Collection<RpcError> errors) {
  46             this.successful = successful;
  47             this.result = result;
  48             this.errors = ImmutableList.copyOf(errors);
  49         }
  50
  51         @Override
  52         public boolean isSuccessful() {
  53             return successful;
  54         }
  55
  56         @Override
  57         public T getResult() {
  58             return result;
  59         }
  60
  61         @Override
  62         public Collection<RpcError> getErrors() {
  63             return errors;
  64         }
  65
  66     }
  67 }