yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableLeafNodeBuilder.java

   1 /*
   2  * Copyright (c) 2013 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.builder.impl;
   9
  10 import com.google.common.annotations.Beta;
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  13 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  14 import org.opendaylight.yangtools.yang.data.api.schema.builder.NormalizedNodeBuilder;
  15 import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedSimpleValueNode;
  16
  17 public class ImmutableLeafNodeBuilder<T>
  18         extends AbstractImmutableNormalizedNodeBuilder<NodeIdentifier, T, LeafNode<T>> {
  19
  20     public static <T> @NonNull NormalizedNodeBuilder<NodeIdentifier, T, LeafNode<T>> create() {
  21         return new ImmutableLeafNodeBuilder<>();
  22     }
  23
  24     @Beta
  25     @SuppressWarnings("unchecked")
  26     public static <T> @NonNull LeafNode<T> createNode(final NodeIdentifier identifier, final T value) {
  27         if (value instanceof byte[]) {
  28             return (LeafNode<T>) new ImmutableBinaryLeafNode(identifier, (byte[]) value);
  29         }
  30         return new ImmutableLeafNode<>(identifier, value);
  31     }
  32
  33     @Override
  34     public LeafNode<T> build() {
  35         return createNode(getNodeIdentifier(), getValue());
  36     }
  37
  38     private static class ImmutableLeafNode<T>
  39             extends AbstractImmutableNormalizedSimpleValueNode<NodeIdentifier, LeafNode<?>, T> implements LeafNode<T> {
  40         ImmutableLeafNode(final NodeIdentifier nodeIdentifier, final T value) {
  41             super(nodeIdentifier, value);
  42         }
  43
  44         @Override
  45         protected final Class<LeafNode<?>> implementedType() {
  46             return (Class) LeafNode.class;
  47         }
  48     }
  49
  50     private static final class ImmutableBinaryLeafNode extends ImmutableLeafNode<byte[]> {
  51         ImmutableBinaryLeafNode(final NodeIdentifier nodeIdentifier, final byte[] value) {
  52             super(nodeIdentifier, value);
  53         }
  54
  55         @Override
  56         protected byte[] wrapValue(final byte[] valueToWrap) {
  57             return valueToWrap.clone();
  58         }
  59     }
  60 }