asterix-external-data/src/main/java/edu/uci/ics/asterix/external/util/INodeResolver.java

/*
 * Copyright 2009-2012 by The Regents of the University of California
 * Licensed 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 from
 * 
 *     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 edu.uci.ics.asterix.external.util;

import edu.uci.ics.asterix.common.exceptions.AsterixException;

/**
 * A policy for resolving a name to a node controller id.   
 *
 */
public interface INodeResolver {

    /**
     * Resolve a passed-in value to a node controller id.
     * 
     * @param value
     *            string to be resolved
     * @return resolved result (a node controller id)
     * @throws AsterixException
     */
    public String resolveNode(String value) throws AsterixException;
}