+/*
+ * Copyright (c) 2014 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.api.schema.tree.spi;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+
+import java.util.Map;
+
+import org.opendaylight.yangtools.util.MapAdaptor;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+final class MaterializedContainerNode extends ContainerNode {
+ private final Map<PathArgument, TreeNode> children;
+
+ protected MaterializedContainerNode(final NormalizedNode<?, ?> data, final Version version,
+ final Map<PathArgument, TreeNode> children, final Version subtreeVersion) {
+ super(data, version, subtreeVersion);
+ this.children = Preconditions.checkNotNull(children);
+ }
+
+ @Override
+ public Optional<TreeNode> getChild(final PathArgument key) {
+ return Optional.fromNullable(children.get(key));
+ }
+
+ @Override
+ public MutableTreeNode mutable() {
+ return new Mutable(this, MapAdaptor.getDefaultInstance().takeSnapshot(children));
+ }
+}