/**
* 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.hadoop.hive.conf.valcoersion;
import org.apache.hadoop.conf.Configuration;
/**
* VariableCoercions are used to enforce rules related to system variables.
* These rules may transform the value of system properties returned by the
* {@link org.apache.hadoop.hive.conf.SystemVariables SystemVariables} utility class
*/
public abstract class VariableCoercion {
private final String name;
public VariableCoercion(String name) {
this.name = name;
}
public String getName() { return this.name; }
/**
* Coerce the original value of the variable
* @param originalValue the unmodified value
* @return transformed value
*/
public abstract String getCoerced(String originalValue);
}