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/******************************************************************
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* Copyright (c) 2003, Mario Hochreiter, Student of
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* Software Engineering at FH-Hagenberg, Austria.
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* Project member of the isac team at the Institute for
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* Software-Technologie, Graz University of Technology, Austria.
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*
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* Use is subject to license terms.
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******************************************************************/
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package isac.util;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Iterator;
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/**
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* Every calculation in the isac system starts with a formalization that
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* characterizes the calculation. A formalization object can contain multiple
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* <code>Variant</code> objects because a calculation can be calculated in
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* different ways (using different methods to solve the calculation).
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*
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* @author Mario Hochreiter
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* @version 0.1
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*
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*/
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public class Formalization implements Serializable {
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protected ArrayList variants_;
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public Formalization() {
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variants_ = new ArrayList();
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}
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public void addNewVariant(Variant v) {
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variants_.add(v);
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}
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public Iterator iterator() {
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return new FormalizationIterator(this);
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}
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public String toString() {
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String content = "<FORMALIZATION>\n";
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for (int index = 0; index < variants_.size(); index++)
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content += variants_.get(index) + "\n";
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content += "</FORMALIZATION>\n";
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return content;
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}
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/**
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* Format the object in a way that the bridge can handle it
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*
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* @return SML representation of this Formalization
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*/
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public String toSMLString() {
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// Use this String for empty Formalization:
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// Calculation from scratch
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if (variants_.isEmpty())
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return "[([], (\"e_domID\", [\"e_pblID\"], [\"e_metID\"]))]";
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// e_domID, etc. will disappear soon: empty formalization would be
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// "[([], (\"\", [], []))]"
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StringBuffer sb = new StringBuffer();
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int size = variants_.size();
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int i = 0;
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Variant v;
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sb.append("[");
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Iterator it = variants_.iterator();
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while (it.hasNext()) {
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v = (Variant) it.next();
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sb.append("(");
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sb.append(v.toSMLString());
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sb.append(")");
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if (i < size - 1) {
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sb.append(",");
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}
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i++;
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}
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sb.append("]");
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return sb.toString();
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}
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}
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class FormalizationIterator implements Iterator {
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Iterator it_;
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FormalizationIterator(Formalization f) {
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it_ = f.variants_.iterator();
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}
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public void remove() {
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it_.remove();
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}
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public boolean hasNext() {
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return it_.hasNext();
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}
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public Object next() {
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return it_.next();
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}
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} |