diff -N BooleanCondition.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ BooleanCondition.java	9 Feb 2006 19:36:45 -0000	1.1
@@ -0,0 +1,41 @@

+import org.lcsim.event.EventHeader;
+import org.lcsim.util.Driver;
+
+/**
+ * An example of setting and retrieving a boolean value from the EventHeader.
+ * 
+ * @author jeremym
+ * @version $Id: BooleanCondition.java,v 1.1 2006/02/09 19:36:45 jeremy Exp $
+ */
+public class BooleanCondition extends Driver
+{
+    public BooleanCondition()
+    {
+        add(new SetBoolean());
+        add(new GetBoolean());
+    }
+
+    public class SetBoolean extends Driver
+    {        
+        protected void process(EventHeader event)
+        {            
+            // Put a random boolean value into the EventHeader.
+            event.put("MyBool", getRandom().nextBoolean());  
+        }
+    }
+    
+    public class GetBoolean extends Driver
+    {
+        protected void process(EventHeader event)
+        {
+            // Get the boolean from EventHeader added by SetBoolean.
+            Boolean bool = (Boolean)event.get("MyBool");
+            
+            // Condition based on the boolean value.
+            if (bool)
+                getLogger().info("MyBool is TRUE");
+            else
+                getLogger().info("MyBool is FALSE");                
+        }
+    }    
+}