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Java > Open Source Codes > de > webman > generator > ReferenceCycleDetector


1 package de.webman.generator;
2
3 import de.webman.generator.*;
4
5 import org.apache.log4j.Category;
6
7 /**
8  * Referenzdetektor
9  * @author $Author: alex $
10  * @version $Revision: 1.1 $
11 */
12 public class ReferenceCycleDetector
13 {
14     /** Logging Category */
15     private static Category cat = Category.getInstance(ReferenceCycleDetector.class);
16     
17     public static boolean isCycle(Integer JavaDoc instanceId)
18     {
19         // Generierungscontext bekommen
20 GeneratorContext context = GeneratorContext.setup();
21         // ist die InstanzId schon drin ??
22 Object JavaDoc o = context.getCycle(instanceId);
23         if (o != null)
24         {
25             cat.warn("Detected Cycle for Instance : " + instanceId);
26             return true;
27         }
28         context.setCycle(instanceId);
29         return false;
30     }
31 }
32
33
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