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