using the @SinceJava annotation

DataSourceWrapper.java.patch

@@ -15,4 +15,6 @@
 package com.liferay.portal.dao.jdbc.util;
 
+import com.liferay.portal.tools.sourceformatter.SinceJava;
+
 import java.io.PrintWriter;
 
@@ -55,8 +57,6 @@ public class DataSourceWrapper implements DataSource {
 	}
 
+	@SinceJava(1.7)
 	public Logger getParentLogger() {
-
-		// JDK 7
-
 		throw new UnsupportedOperationException();
 	}

SinceJava.java

/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.tools.sourceformatter;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author Raymond Augé
 */
@Retention(RetentionPolicy.SOURCE)
@Target({ElementType.TYPE, ElementType.METHOD, ElementType.FIELD})
public @interface SinceJava {

	public double value() default 1.6;

}