Changeset 1163 for trunk

Timestamp:

04/19/13 19:44:02 (11 years ago)

Author:

adeicke

Message:

NullTask? (object with defined neutral behavior cf. Null Object pattern).

File:

• trunk/autoquest-core-usability-evaluation/src/main/java/de/ugoe/cs/autoquest/usability/util/NullTask.java (copied) (copied from trunk/autoquest-core-usability-evaluation/src/main/java/de/ugoe/cs/autoquest/usability/util/NullNode.java) (4 diffs)

trunk/autoquest-core-usability-evaluation/src/main/java/de/ugoe/cs/autoquest/usability/util/NullTask.java

@@ -15 +15 @@
 package de.ugoe.cs.autoquest.usability.util;
 
-import java.util.Collections;
-import java.util.List;
-
 import org.apache.commons.lang.StringUtils;
 
 import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
+import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskVisitor;
 
 /**
@@ -29 +27 @@
  * @author Alexander Deicke
  */
-public class NullNode implements ITask {
+public class NullTask implements ITask {
 
+    /**  */
+    private static final long serialVersionUID = 1236779392413787860L;
+
+    /* (non-Javadoc)
+     * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITask#getId()
+     */
+    @Override
+    public int getId() {
+        return -1;
+    }
+    
     /* (non-Javadoc)
      * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#getName()
@@ -56 +65 @@
      */
     @Override
-    public NullNode clone() {
-        return (NullNode) this;
+    public NullTask clone() {
+        return (NullTask) this;
     }
 
@@ -63 +72 @@
      * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#accept(de.ugoe.cs.autoquest.tasktrees.treeifc.NodeVisitor)
      */
-    public void accept(NodeVisitor visitor) {
-        
+    public void accept(ITaskVisitor visitor) {
+        // do nothing
     }