/*******************************************************************************
* Copyright (c) 2012 Google, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Google, Inc. - initial API and implementation
*******************************************************************************/
package com.windowtester.codegen.assembly;
import java.util.Iterator;
import com.windowtester.codegen.ISourceTypeBuilder;
import com.windowtester.codegen.assembly.unit.CodeUnit;
/**
* A base class for simple code requirements
*/
public abstract class CodeRequirement extends CodeUnit implements ICodeRequirement {
/*
* @see com.windowtester.codegen.assembly.ICodeRequirement#satisfy(com.windowtester.codegen.ISourceTypeBuilder)
*/
public final void satisfy(ISourceTypeBuilder builder) {
//check pre-reqs first:
for (Iterator iter = getRequirements().iterator(); iter.hasNext();) {
ICodeRequirement req = (ICodeRequirement) iter.next();
if (!req.isSatisfied(builder))
req.satisfy(builder);
}
//call hook methods:
if (!isSatisfied(builder))
doSatisfy(builder);
}
/**
* Satisfy this requirement with the knowledge that the pre-reqs have already been satisfied,
* and that this requirement is indeed required (e.g., isSatisfied(..) == false)
* This is a hook method.
* @param builder - the builder with the type under construction
*/
public abstract void doSatisfy(ISourceTypeBuilder builder);
}