/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.curator.x.async.modeled;

/**
 * Used by the various "resolved" methods and "at" methods.
 * If the argument to one of these methods implements this interface,
 * the {@link #nodeName()} method is used instead of calling <code>toString()</code>
 */
@FunctionalInterface
public interface NodeName
{
    String nodeName();

    static String nameFrom(Object obj)
    {
        if ( obj instanceof NodeName )
        {
            return ((NodeName)obj).nodeName();
        }
        return String.valueOf(obj);
    }
}
