yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UnorderedLeafSetModificationStrategy.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
  12 import java.util.Optional;
  13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
  14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  15 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  18 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
  19 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetNodeBuilder;
  20 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  21
  22 final class UnorderedLeafSetModificationStrategy extends AbstractNodeContainerModificationStrategy {
  23     private final Optional<ModificationApplyOperation> entryStrategy;
  24
  25     @SuppressWarnings({ "unchecked", "rawtypes" })
  26     UnorderedLeafSetModificationStrategy(final LeafListSchemaNode schema, final DataTreeConfiguration treeConfig) {
  27         super((Class) LeafSetNode.class, treeConfig);
  28         entryStrategy = Optional.of(new LeafSetEntryModificationStrategy(schema));
  29     }
  30
  31     @SuppressWarnings("rawtypes")
  32     @Override
  33     protected NormalizedNodeContainerBuilder createBuilder(final NormalizedNode<?, ?> original) {
  34         checkArgument(original instanceof LeafSetNode<?>);
  35         return ImmutableLeafSetNodeBuilder.create((LeafSetNode<?>) original);
  36     }
  37
  38     @Override
  39     protected NormalizedNode<?, ?> createEmptyValue(final NormalizedNode<?, ?> original) {
  40         checkArgument(original instanceof LeafSetNode<?>);
  41         return ImmutableLeafSetNodeBuilder.create().withNodeIdentifier(((LeafSetNode<?>) original).getIdentifier())
  42                 .build();
  43     }
  44
  45     @Override
  46     public Optional<ModificationApplyOperation> getChild(final PathArgument identifier) {
  47         return identifier instanceof NodeWithValue ? entryStrategy : Optional.empty();
  48     }
  49 }