yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnorderedMapModificationStrategy.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.yangtools.yang.data.impl.schema.tree;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11 import com.google.common.base.Optional;
  12 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  13 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  14 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  15 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
  16 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
  17 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  18
  19 final class UnorderedMapModificationStrategy extends AbstractNodeContainerModificationStrategy {
  20     private final Optional<ModificationApplyOperation> entryStrategy;
  21
  22     UnorderedMapModificationStrategy(final ListSchemaNode schema) {
  23         super(MapNode.class);
  24         entryStrategy = Optional.<ModificationApplyOperation> of(new ListEntryModificationStrategy(schema));
  25     }
  26
  27     @SuppressWarnings("rawtypes")
  28     @Override
  29     protected NormalizedNodeContainerBuilder createBuilder(final NormalizedNode<?, ?> original) {
  30         checkArgument(original instanceof MapNode);
  31         return ImmutableMapNodeBuilder.create((MapNode) original);
  32     }
  33
  34     @Override
  35     public Optional<ModificationApplyOperation> getChild(final YangInstanceIdentifier.PathArgument identifier) {
  36         if (identifier instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates) {
  37             return entryStrategy;
  38         }
  39         return Optional.absent();
  40     }
  41
  42     @Override
  43     public String toString() {
  44         return "UnorderedMapModificationStrategy [entry=" + entryStrategy + "]";
  45     }
  46 }