asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/IdentityResolver.java

/*
 * 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.asterix.external.util;

import java.net.InetAddress;
import java.util.Map;
import java.util.Set;

import org.apache.asterix.common.dataflow.ICcApplicationContext;
import org.apache.asterix.external.api.INodeResolver;

/**
 * Identity resolver simply resolves a value to itself and is useful when value being resolved
 * is a node controller id.
 */
public class IdentityResolver implements INodeResolver {

    @Override
    public String resolveNode(ICcApplicationContext appCtx, String value, Map<InetAddress, Set<String>> ncMap,
            Set<String> ncs) {
        return value;
    }

}