/**
* 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.mahout.common.parameters;
import org.apache.hadoop.conf.Configuration;
public class ClassParameter extends AbstractParameter<Class> {
public ClassParameter(String prefix, String name, Configuration jobConf, Class<?> defaultValue, String description) {
super(Class.class, prefix, name, jobConf, defaultValue, description);
}
@Override
public void setStringValue(String stringValue) {
try {
set(Class.forName(stringValue));
} catch (ClassNotFoundException e) {
throw new IllegalStateException(e);
}
}
@Override
public String getStringValue() {
if (get() == null) {
return null;
}
return get().getName();
}
}