/*
* (c) Copyright 2010-2011 by Volker Bergmann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is permitted under the terms of the
* GNU General Public License (GPL).
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
* REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
* HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.databene.benerator.composite;
import org.databene.benerator.engine.BeneratorContext;
import org.databene.script.Expression;
/**
* {@link ComponentBuilder} which executes only if a condition expression evaluates to 'true'.<br/><br/>
* Created: 11.10.2010 11:15:14
* @since 0.6.4
* @author Volker Bergmann
*/
public class ConditionalComponentBuilder<E> extends ComponentBuilderProxy<E> {
Expression<Boolean> condition;
public ConditionalComponentBuilder(ComponentBuilder<E> source, Expression<Boolean> condition) {
super(source);
this.condition = condition;
}
@Override
public boolean execute(BeneratorContext context) {
if (condition.evaluate(context))
return source.execute(context);
else
return true;
}
}