/*
* 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.MoreObjects.ToStringHelper;
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;
/**
* A container node which has been modified. It tracks the subtree version and all modified children.
*/
abstract class AbstractModifiedContainerNode extends AbstractContainerNode {
private final Map<PathArgument, TreeNode> children;
private final Version subtreeVersion;
protected AbstractModifiedContainerNode(final NormalizedNode<?, ?> data, final Version version,
final Map<PathArgument, TreeNode> children, final Version subtreeVersion) {
super(data, version);
this.subtreeVersion = Preconditions.checkNotNull(subtreeVersion);
this.children = Preconditions.checkNotNull(children);
}
protected final TreeNode getModifiedChild(final PathArgument childId) {
return children.get(childId);
}
protected final Map<PathArgument, TreeNode> snapshotChildren() {
return MapAdaptor.getDefaultInstance().takeSnapshot(children);
}
@Override
public final Version getSubtreeVersion() {
return subtreeVersion;
}
@Override
protected ToStringHelper addToStringAttributes(final ToStringHelper helper) {
return helper.add("subtreeVersion", subtreeVersion).add("children", children);
}
}