yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/ContainerModificationStrategy.java

   1 /*
   2  * Copyright (c) 2015 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 com.google.common.base.Preconditions;
  13 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  14 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  15 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  16 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  17 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  18 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  19
  20 /**
  21  * General container modification strategy. Used by {@link PresenceContainerModificationStrategy} via subclassing
  22  * and by {@link StructuralContainerModificationStrategy} as a delegate.
  23  */
  24 class ContainerModificationStrategy extends AbstractDataNodeContainerModificationStrategy<ContainerSchemaNode> {
  25     ContainerModificationStrategy(final ContainerSchemaNode schemaNode, final TreeType treeType) {
  26         super(schemaNode, ContainerNode.class, treeType);
  27     }
  28
  29     @Override
  30     @SuppressWarnings("rawtypes")
  31     protected final DataContainerNodeBuilder createBuilder(final NormalizedNode<?, ?> original) {
  32         checkArgument(original instanceof ContainerNode);
  33         return ImmutableContainerNodeBuilder.create((ContainerNode) original);
  34     }
  35
  36     @Override
  37     protected NormalizedNode<?, ?> createEmptyValue(NormalizedNode<?, ?> original) {
  38         Preconditions.checkArgument(original instanceof ContainerNode);
  39         return ImmutableContainerNodeBuilder.create().withNodeIdentifier(((ContainerNode) original).getIdentifier())
  40                 .build();
  41     }
  42 }