Changeset 390 for trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/jfc/data/JFCEvent.java

Timestamp:

02/20/12 11:54:55 (12 years ago)

Author:

sherbold

Message:

• all hashValues are now only computed once, stored and only recomputed when something changes.
• de.ugoe.cs.eventbench.jfc.data.JFCTargetComparator now allows precomputation of equalities

File:

• trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/jfc/data/JFCEvent.java (modified) (4 diffs)

trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/jfc/data/JFCEvent.java

@@ -45 +45 @@
          */
         private Map<String, String> parentParameters;
+        
+        private boolean targetChanged = false;
+        
+        private int targetHash = -1;
 
         /**
@@ -145 +149 @@
                         target += "." + extension;
                 }
+                targetChanged = true;
         }
 
@@ -187 +192 @@
         @Override
         protected int targetHashCode() {
-                int hashCode = 0;
-                int multiplier = 29;
-                if (target != null) {
-                        String[] targetParts = target.split("\\]\\.\\[");
-                        if (targetParts.length == 0) {
-                                hashCode = widgetHashCode(target);
-                        } else {
-                                for (String widgetString : targetParts) {
-                                        hashCode = hashCode * multiplier
-                                                        + widgetHashCode(widgetString);
+                if( targetChanged || targetHash==-1 ) {
+                        targetHash = 0;
+                        int multiplier = 29;
+                        if (target != null) {
+                                String[] targetParts = target.split("\\]\\.\\[");
+                                if (targetParts.length == 0) {
+                                        targetHash = widgetHashCode(target);
+                                } else {
+                                        for (String widgetString : targetParts) {
+                                                targetHash = targetHash * multiplier
+                                                                + widgetHashCode(widgetString);
+                                        }
                                 }
                         }
+                        targetChanged = false;
                 }
-
-                return hashCode;
+                return targetHash;
         }
 
@@ -221 +228 @@
                         hashCode = hashCode * multiplier + widgetInfo[1].hashCode();
                         hashCode = hashCode * multiplier + widgetInfo[2].hashCode();
-                        hashCode = hashCode * multiplier + widgetInfo[3].hashCode();
+                        //hashCode = hashCode * multiplier + widgetInfo[3].hashCode();
                 }
                 return hashCode;