/*
 * DataManager
 *
 *
 * Copyright (c) 2003 Kansas State University, Laboratory for the Specification,
 * Analysis, and Transformation of Software
 *
 * This software is licensed under the SAnToS Laboratory Open Academic License.  You
 * should have received a copy of the license with the distribution.  A copy can be
 * found at:
 * http://www.cis.ksu.edu/santos/license.html
 * or you can contact the lab at:
 * SAnToS Laboratory
 * 234 Nichols Hall
 * Manhattan, KS 66506, USA
 */
package edu.ksu.cis.cadena.xmlgen;

import java.util.HashMap;


/**
 * This class manages all the component instances located on one board
 *
 * @version 1.0.3 8.15.2003
 * @author sue Li
 */
public class DataManager {
    /** maps the name of home to a list of component instances that are created by  the home*/
    private HashMap homeToComponents;

    /** maps the correlator instance name to the instance itself*/
    private HashMap correlators;

    /** maps the name of instance to the name of its component(interface)*/
    private HashMap instanceToBuildingBlock;

    /**
     * initializes the attributes
     *
     * @post homeToComponents != null && correlators != null && instanceToBuildingBlock != null
     */
    public DataManager() {
        homeToComponents = new HashMap();
        correlators = new HashMap();
        instanceToBuildingBlock = new HashMap();
    }

    /**
     * gets the correlators map
         * @return the correlators map
         */
    public HashMap correlators() {
        return correlators;
    }

    /**
     * gets the homeToComponents map
     * @return the homeToComponents map
     */
    public HashMap homeToComponents() {
        return homeToComponents;
    }

    /**
     * gets the instanceToBuildingBlock map
     * @return the instanceToBuildingBlock map
     */
    public HashMap instanceToBuildingBlock() {
        return instanceToBuildingBlock;
    }
}