edu.buffalo.cse.green.relationship.composition.CompositionGenerator.java Source code

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Here is the source code for edu.buffalo.cse.green.relationship.composition.CompositionGenerator.java

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/* This file is part of Green.
 *
 * Copyright (C) 2005 The Research Foundation of State University of New York
 * All Rights Under Copyright Reserved, The Research Foundation of S.U.N.Y.
 * 
 * Green is free software, licensed under the terms of the Eclipse
 * Public License, version 1.0.  The license is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package edu.buffalo.cse.green.relationship.composition;

import java.util.AbstractList;
import java.util.ArrayList;
import java.util.List;

import edu.buffalo.cse.green.relationships.CardinalRelationshipGenerator;

import org.eclipse.jdt.core.dom.Assignment;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jdt.core.dom.Statement;

/**
 * @see edu.buffalo.cse.green.relationship.CardinalRelationshipGenerator
 * 
 * @author bcmartin
 */
public class CompositionGenerator extends CardinalRelationshipGenerator {
    /**
     * @see edu.buffalo.cse.green.relationships.RelationshipGenerator#process(org.eclipse.jdt.core.dom.Block)
     */
    protected boolean process(Block node) {
        if (!correctTypeToGenerate())
            return true;
        if (!inConstructor()) {
            return true;
        }
        generateFields();

        List<Statement> statements = (AbstractList<Statement>) node.statements();

        if (isGeneric()) {
            // retrieve the generated field name
            String fieldName = getFieldNames().get(0);
            Assignment ass = createAssignment(fieldName,
                    createParameterizedInvocation(createTypeReference(getTargetType())));
            statements.add(statements.size(), getAST().newExpressionStatement(ass));

            // create the appropriate number of method invocations
            for (int x = 0; x > _cardinality; x--) {
                List<Expression> arguments = new ArrayList<Expression>();
                arguments.add(createInvocation(createTypeReference(getActualTargetType())));

                statements.add(createMethodInvocation(fieldName, "add", arguments));
            }
        } else {
            for (int x = 0; x < _cardinality; x++) {
                // retrieve the generated field name
                String fieldName = getFieldNames().get(x);

                Assignment ass = createAssignment(fieldName,
                        createInvocation(createTypeReference(getActualTargetType())));
                statements.add(statements.size(), getAST().newExpressionStatement(ass));
            }
        }

        return true;
    }
}