opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/tx/NetconfDeviceReadWriteTx.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
   9 package org.opendaylight.controller.sal.connect.netconf.sal.tx;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15
  16 import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  19 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  23 import org.opendaylight.yangtools.yang.common.RpcResult;
  24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  25 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  26
  27 import java.util.concurrent.ExecutionException;
  28
  29 public class NetconfDeviceReadWriteTx implements DOMDataReadWriteTransaction {
  30
  31     private final DOMDataReadTransaction delegateReadTx;
  32     private final DOMDataWriteTransaction delegateWriteTx;
  33
  34     public NetconfDeviceReadWriteTx(final DOMDataReadTransaction delegateReadTx, final DOMDataWriteTransaction delegateWriteTx) {
  35         this.delegateReadTx = delegateReadTx;
  36         this.delegateWriteTx = delegateWriteTx;
  37     }
  38
  39     @Override
  40     public boolean cancel() {
  41         return delegateWriteTx.cancel();
  42     }
  43
  44     @Override
  45     public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
  46         delegateWriteTx.put(store, path, data);
  47     }
  48
  49     @Override
  50     public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
  51         delegateWriteTx.merge(store, path, data);
  52     }
  53
  54     @Override
  55     public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  56         delegateWriteTx.delete(store, path);
  57     }
  58
  59     @Override
  60     public CheckedFuture<Void, TransactionCommitFailedException> submit() {
  61         return delegateWriteTx.submit();
  62     }
  63
  64     @Override
  65     public ListenableFuture<RpcResult<TransactionStatus>> commit() {
  66         return delegateWriteTx.commit();
  67     }
  68
  69     @Override
  70     public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(
  71             final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  72         return delegateReadTx.read(store, path);
  73     }
  74
  75     @Override public CheckedFuture<Boolean, ReadFailedException> exists(
  76         LogicalDatastoreType store,
  77         YangInstanceIdentifier path) {
  78         CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>
  79             data = read(store, path);
  80
  81         try {
  82             return Futures.immediateCheckedFuture(data.get().isPresent());
  83         } catch (InterruptedException | ExecutionException e) {
  84             return Futures.immediateFailedCheckedFuture(new ReadFailedException("Exists failed",e));
  85         }
  86     }
  87
  88     @Override
  89     public Object getIdentifier() {
  90         return this;
  91     }
  92 }