/*
* (c) Copyright 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.wrapper;
import org.databene.benerator.Generator;
import org.databene.benerator.GeneratorContext;
/**
* {@link Generator} proxy which hides the first products of its source generator.<br/><br/>
* Created: 23.07.2011 10:00:49
* @since 0.7.0
* @author Volker Bergmann
*/
public class OffsetBasedGenerator<E> extends GeneratorProxy<E> {
private int offset;
public OffsetBasedGenerator() {
this(null, 0);
}
public OffsetBasedGenerator(Generator<E> source, int offset) {
super(source);
this.offset = offset;
}
public int getOffset() {
return offset;
}
@Override
public synchronized void init(GeneratorContext context) {
super.init(context);
advanceToOffset();
}
@Override
public void reset() {
super.reset();
advanceToOffset();
}
private void advanceToOffset() {
ProductWrapper<E> wrapper = getSourceWrapper();
for (int i = 0; i < offset; i++)
super.generate(wrapper);
}
}