/*
* Copyright 2013 Future Systems
*
* 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 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.araqne.logdb.query.expr;
import org.araqne.logdb.Row;
public class EvalField implements Expression {
private String fieldName;
public EvalField(String fieldName) {
this.fieldName = fieldName;
}
@Override
public Object eval(Row map) {
return map.get(fieldName);
}
@Override
public String toString() {
return fieldName;
}
}