PathUtil.java

/*
 * Copyright (c) 2016 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.openflowplugin.impl.util;

import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

/**
 * Purpose: utility class providing path and {@link InstanceIdentifier} tools
 */
public class PathUtil {

    private PathUtil() {
        throw new IllegalStateException("This class should not be instantiated.");
    }


    /**
     * @param input reference to {@link Node}
     * @return node-id from given reference
     */
    public static NodeId extractNodeId(final NodeRef input) {
        return input.getValue().firstKeyOf(Node.class).getId();
    }
}