HelloWorldBehaviourSideEffect.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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package org.qi4j.tutorials.composites.tutorial7;

import org.qi4j.api.sideeffect.SideEffectOf;

// START SNIPPET: solution

/**
 * As a side-effect of calling say, output the result.
 */
public class HelloWorldBehaviourSideEffect
    extends SideEffectOf<HelloWorldBehaviour>
    implements HelloWorldBehaviour
{
    @Override
    public String say()
    {
        System.out.println( result.say() );
        return null;
    }
}
// END SNIPPET: solution