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

   1 /*
   2  * Copyright (c) 2014 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.util.Collections;
  11
  12 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
  13 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler.DataCommitTransaction;
  14 import org.opendaylight.yangtools.concepts.Path;
  15 import org.opendaylight.yangtools.yang.common.RpcError;
  16 import org.opendaylight.yangtools.yang.common.RpcResult;
  17
  18 public class CommitHandlerTransactions {
  19
  20     private static class AllwaysSuccessfulTransaction<P extends Path<P>,D> implements DataCommitTransaction<P, D> {
  21
  22         private final  DataModification<P, D> modification;
  23
  24         public AllwaysSuccessfulTransaction(DataModification<P, D> modification) {
  25             this.modification = modification;
  26         }
  27         @Override
  28         public RpcResult<Void> rollback() throws IllegalStateException {
  29             return Rpcs.<Void>getRpcResult(true, null, Collections.<RpcError>emptyList());
  30         }
  31         @Override
  32         public RpcResult<Void> finish() throws IllegalStateException {
  33             return Rpcs.<Void>getRpcResult(true, null, Collections.<RpcError>emptyList());
  34         }
  35
  36         @Override
  37         public DataModification<P, D> getModification() {
  38             return modification;
  39         }
  40     }
  41
  42     public static final <P extends Path<P>,D> AllwaysSuccessfulTransaction<P, D> allwaysSuccessfulTransaction(DataModification<P, D> modification)  {
  43         return new AllwaysSuccessfulTransaction<>(modification);
  44     }
  45 }