opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/OperationWithModification.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.md.sal.dom.store.impl;
   9
  10 import org.opendaylight.controller.md.sal.dom.store.impl.tree.NodeModification;
  11 import org.opendaylight.controller.md.sal.dom.store.impl.tree.StoreMetadataNode;
  12 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
  13 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  14
  15 import com.google.common.base.Optional;
  16 import com.google.common.primitives.UnsignedLong;
  17
  18 public class OperationWithModification {
  19
  20     private final NodeModification modification;
  21
  22     private final ModificationApplyOperation applyOperation;
  23
  24     private OperationWithModification(final ModificationApplyOperation op, final NodeModification mod) {
  25         this.modification = mod;
  26         this.applyOperation = op;
  27     }
  28
  29     public OperationWithModification write(final NormalizedNode<?, ?> value) {
  30         modification.write(value);
  31         applyOperation.verifyStructure(modification);
  32         return this;
  33     }
  34
  35     public OperationWithModification delete() {
  36         modification.delete();
  37         return this;
  38     }
  39
  40     public NodeModification getModification() {
  41         return modification;
  42     }
  43
  44     public ModificationApplyOperation getApplyOperation() {
  45         return applyOperation;
  46     }
  47
  48     public Optional<StoreMetadataNode> apply(final Optional<StoreMetadataNode> data, final UnsignedLong subtreeVersion) {
  49         return applyOperation.apply(modification, data, subtreeVersion);
  50     }
  51
  52     public static OperationWithModification from(final ModificationApplyOperation operation,
  53             final NodeModification modification) {
  54         return new OperationWithModification(operation, modification);
  55
  56     }
  57
  58     public void merge(final NormalizedNode<?, ?> data) {
  59         modification.merge(data);
  60         applyOperation.verifyStructure(modification);
  61
  62     }
  63
  64     public OperationWithModification forChild(final PathArgument childId) {
  65         NodeModification childMod = modification.modifyChild(childId);
  66         Optional<ModificationApplyOperation> childOp = applyOperation.getChild(childId);
  67         return from(childOp.get(),childMod);
  68     }
  69 }