/* * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.yangtools.yang.data.impl.schema.nodes; import com.google.common.base.Optional; import java.util.Collection; import java.util.Map; import org.opendaylight.yangtools.concepts.Immutable; import org.opendaylight.yangtools.util.ImmutableOffsetMap; import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument; import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild; import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode; public abstract class AbstractImmutableDataContainerNode<K extends PathArgument> extends AbstractImmutableNormalizedNode<K, Collection<DataContainerChild<? extends PathArgument, ?>>> implements Immutable, DataContainerNode<K> { private final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> children; public AbstractImmutableDataContainerNode( final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> children, final K nodeIdentifier) { super(nodeIdentifier); this.children = ImmutableOffsetMap.unorderedCopyOf(children); } @Override public final Optional<DataContainerChild<? extends PathArgument, ?>> getChild(final PathArgument child) { return Optional.fromNullable(children.get(child)); } @Override public final Collection<DataContainerChild<? extends PathArgument, ?>> getValue() { return children.values(); } @Override protected int valueHashCode() { return children.hashCode(); } /** * DO NOT USE THIS METHOD. * * This is an implementation-internal API and no outside users should use it. If you do, * you are asking for trouble, as the returned object is not guaranteed to conform to * java.util.Map interface. * * @return An unmodifiable view if this node's children. */ public final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> getChildren() { return children; } @Override protected boolean valueEquals(final AbstractImmutableNormalizedNode<?, ?> other) { return other instanceof AbstractImmutableDataContainerNode<?> && children.equals( ((AbstractImmutableDataContainerNode<?>) other).children); } }