Changeset 251

Timestamp:

10/11/11 20:40:58 (13 years ago)

Author:

sherbold

Message:

• the method train() of de.ugoe.cs.eventbench.models.Trie now aborts immediately if the order is less than 1.
• added method isRoot() to de.ugoe.cs.eventbench.models.TrieNode?

Location:

trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models

Files:

• Trie.java (modified) (1 diff)
• TrieNode.java (modified) (3 diffs)

trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models/Trie.java

@@ -85 +85 @@
          */
         public void train(List<T> sequence, int maxOrder) {
+                if( maxOrder<1 ) {
+                        return;
+                }
                 IncompleteMemory<T> latestActions = new IncompleteMemory<T>(maxOrder);
                 int i = 0;

trunk/EventBenchCore/src/de/ugoe/cs/eventbench/models/TrieNode.java

@@ -246 +246 @@
         void getGraph(TrieVertex parent, DelegateTree<TrieVertex, Edge> graph) {
                 TrieVertex currentVertex;
-                if (symbol == null) {
+                if (isRoot()) {
                         currentVertex = new TrieVertex("root");
                         graph.addVertex(currentVertex);
@@ -270 +270 @@
         void appendDotRepresentation(StringBuilder stringBuilder) {
                 String thisSaneId;
-                if (symbol == null) {
+                if (isRoot()) {
                         thisSaneId = "root";
                 } else {
@@ -297 +297 @@
         protected boolean isLeaf() {
                 return children.isEmpty();
+        }
+        
+        /**
+         * <p>
+         * Checks if the node is the root.
+         * </p>
+         * 
+         * @return true if the node is the root of the trie, false otherwise
+         */
+        protected boolean isRoot() {
+                return symbol==null;
         }