dom/mdsal-dom-spi/src/main/java/org/opendaylight/mdsal/dom/spi/shard/WriteableSubshardBoundaryNode.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 package org.opendaylight.mdsal.dom.spi.shard;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import com.google.common.collect.ImmutableMap;
  14 import java.util.Map;
  15 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  17
  18 /**
  19  * Writable node that is located at a boundary to a subshard.
  20  *
  21  * @deprecated This interface is scheduled for removal in the next major release.
  22  */
  23 @Deprecated(forRemoval = true)
  24 @Beta
  25 public class WriteableSubshardBoundaryNode extends WriteableModificationNode {
  26
  27     private final ForeignShardModificationContext boundary;
  28
  29     WriteableSubshardBoundaryNode(final ForeignShardModificationContext boundary) {
  30         this.boundary = requireNonNull(boundary);
  31     }
  32
  33     public static WriteableSubshardBoundaryNode from(final ForeignShardModificationContext value) {
  34         return new WriteableSubshardBoundaryNode(value);
  35     }
  36
  37     @Override
  38     public PathArgument getIdentifier() {
  39         return boundary.getIdentifier().getRootIdentifier().getLastPathArgument();
  40     }
  41
  42     @Override
  43     public WriteCursorStrategy createOperation(final DOMDataTreeWriteCursor parentCursor) {
  44         return new DelegatingWriteCursorStrategy() {
  45             @Override
  46             public void exit() {
  47                 parentCursor.exit();
  48             }
  49
  50             @Override
  51             protected DelegatingWriteCursorStrategy childStrategy() {
  52                 return new DelegatingWriteCursorStrategy() {
  53                     @Override
  54                     protected DOMDataTreeWriteCursor delegate() {
  55                         return boundary.getCursor();
  56                     }
  57                 };
  58             }
  59
  60             @Override
  61             protected DOMDataTreeWriteCursor delegate() {
  62                 return boundary.getCursor();
  63             }
  64         };
  65     }
  66
  67     @Override
  68     public WriteableModificationNode getChild(final PathArgument node) {
  69         // Another level of nesting should be taken care of by underlying cursor.
  70         return null;
  71     }
  72
  73     @Override
  74     public void markDeleted() {
  75         // FIXME: Should we delete all data or disconnect?
  76     }
  77
  78     @Override
  79     public Map<PathArgument, WriteableModificationNode> getChildrenWithSubshards() {
  80         return ImmutableMap.of();
  81     }
  82 }