org.apache.pig.impl.logicalLayer.CanonicalNamer Maven / Gradle / Ivy

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/*
 * 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.pig.impl.logicalLayer;

import org.apache.pig.impl.plan.NodeIdGenerator;

/**
 * A visitor to walk the logical plan and give canonical names fields.
 */

public class CanonicalNamer {

    private static NodeIdGenerator mNid = NodeIdGenerator.getGenerator();

    private static final String SCOPE = "Canonical Names";

    public static String getNewName() {
        return String.valueOf(mNid.getNextNodeId(SCOPE));
    }
    
}