/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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 com.querydsl.collections;
import com.google.common.base.Function;
import com.mysema.codegen.Evaluator;
/**
* Function implementation which uses an {@link Evaluator} for transformation
*
* @param <S> source type
* @param <T> target type
*
* @author tiwe
*/
public class EvaluatorFunction<S, T> implements Function<S, T> {
private final Evaluator<T> ev;
public EvaluatorFunction(Evaluator<T> ev) {
this.ev = ev;
}
@Override
public T apply(S input) {
if (input.getClass().isArray()) {
return ev.evaluate((Object[]) input);
} else {
return ev.evaluate(input);
}
}
}