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/*-
 * #%L
 * rapidoid-commons
 * %%
 * Copyright (C) 2014 - 2018 Nikolche Mihajlovski and contributors
 * %%
 * 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.
 * #L%
 */

package org.rapidoid.value;

import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;


@Authors("Nikolche Mihajlovski")
@Since("5.1.0")
public class OrValue extends AbstractDecoratorValue {

	private final Value alternative;

	public OrValue(Value src, Value alternative) {
		super(src);
		this.alternative = alternative;
	}

	@Override
	protected T retrieve() {
		T val = src.getOrNull();
		return val != null ? val : alternative.getOrNull();
	}

}