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//---PACKAGE DECLARATION--- |
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//---IMPORTS--- |
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import java.io.*; |
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import java.util.*; |
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/** |
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* Produces non-root index pages for reports. |
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* (levels 2, 3 and 4) |
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* |
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* @author $Author: $ |
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* @version $Id: $ |
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*/ |
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public class NodePage { |
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//---FINAL ATTRIBUTES--- |
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: $"; |
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//---STATIC METHODS--- |
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//---CONSTRUCTORS--- |
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public NodePage(String reportDirectory, LinkedList pages){ |
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_reportDirectory = reportDirectory; |
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_pages = pages; |
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} |
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//---PUBLIC METHODS--- |
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public void generateAllLevels() { |
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this.generateLevel(4, 0, 1, 2); |
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this.generateLevel(4, 0, 2, 1); |
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this.generateLevel(4, 1, 0, 2); |
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this.generateLevel(4, 1, 2, 0); |
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this.generateLevel(4, 2, 0, 1); |
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this.generateLevel(4, 2, 1, 0); |
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} |
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private LinkedList generateLevel(int level, int indexA, int indexB, int indexC) { |
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LinkedList pagesMade = new LinkedList(); |
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switch (level) { |
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case 4: |
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// Select unique pairs of elements |
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HashSet set = new HashSet(); |
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// Populate the HashSets. |
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Iterator it = _pages.iterator(); |
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while (it.hasNext()) { |
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String[] pair = new String[2]; |
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pair[0] = ((String[])it.next())[indexA]; |
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pair[1] = ((String[])it.next())[indexB]; |
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set.add(pair); |
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} |
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Iterator setit = set.iterator(); |
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while (setit.hasNext()){ |
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String[] pair = (String[])setit.next(); |
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it = _pages.iterator(); |
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while (it.hasNext()){ |
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String[] entry = (String[])it.next(); |
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if (pair[indexA] == entry[indexA] && pair[indexB] == entry[indexB]) { |
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pagesMade.add(entry); |
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} |
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} |
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} |
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String[] descriptions = new String[3]; |
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descriptions[0] = "machine name"; |
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descriptions[1] = "time period"; |
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descriptions[2] = "report type"; |
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it = pagesMade.iterator(); |
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while (it.hasNext()){ |
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String[] entry = (String[])it.next(); |
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System.out.println("4th level index: "+descriptions[indexC]+"s available for "+descriptions[indexA]+entry[indexA]+" and "+descriptions[indexB]+entry[indexB]); |
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} |
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break; |
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case 3: |
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// bla |
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break; |
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case 2: |
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//bla |
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break; |
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} |
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return pagesMade; |
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} |
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/** |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* @return the name of this class and its CVS revision |
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*/ |
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public String toString() { |
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return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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} |
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//---PRIVATE METHODS--- |
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//---ACCESSOR/MUTATOR METHODS--- |
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//---ATTRIBUTES--- |
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String _reportDirectory; |
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LinkedList _pages; |
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//---STATIC ATTRIBUTES--- |
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} |
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