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Collections support for Querydsl

There is a newer version: 3.7.4

/*
 * 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.mysema.query.collections;

import com.google.common.base.Function;
import com.mysema.codegen.Evaluator;

/**
 * Function implementation which uses an {@link Evaluator} for transformation
 * 
 * @author tiwe
 */
public class EvaluatorFunction implements Function {

    private final Evaluator ev;

    public EvaluatorFunction(Evaluator ev) {
        this.ev = ev;
    }

    @Override
    public T apply(S input) {
        if (input.getClass().isArray()) {
            return ev.evaluate((Object[]) input);
        } else {
            return ev.evaluate(new Object[]{input});
        }
    }
}