1 files changed, 47 insertions, 0 deletions
diff --git a/trunk/qpid/java/common/src/main/java/org/apache/qpid/thread/RealtimeThreadFactory.java b/trunk/qpid/java/common/src/main/java/org/apache/qpid/thread/RealtimeThreadFactory.java
new file mode 100644
index 0000000000..b711f749f8
--- /dev/null
+++ b/trunk/qpid/java/common/src/main/java/org/apache/qpid/thread/RealtimeThreadFactory.java
@@ -0,0 +1,47 @@
+package org.apache.qpid.thread;
+
+import java.lang.reflect.Constructor;
+
+public class RealtimeThreadFactory implements ThreadFactory
+{
+    private Class threadClass;
+    private Constructor threadConstructor;
+    private Constructor priorityParameterConstructor;
+    private int defaultRTThreadPriority = 20;
+    
+    public RealtimeThreadFactory() throws Exception
+    {
+        defaultRTThreadPriority = Integer.getInteger("qpid.rt_thread_priority",20);
+        threadClass = Class.forName("javax.realtime.RealtimeThread");
+    
+        Class schedulingParametersClass = Class.forName("javax.realtime.SchedulingParameters");
+        Class releaseParametersClass = Class.forName("javax.realtime.ReleaseParameters");
+        Class memoryParametersClass = Class.forName("javax.realtime.MemoryParameters");
+        Class memoryAreaClass = Class.forName("javax.realtime.MemoryArea");
+        Class processingGroupParametersClass = Class.forName("javax.realtime.ProcessingGroupParameters");
+     
+        Class[] paramTypes = new Class[]{schedulingParametersClass,
+                                         releaseParametersClass, 
+                                         memoryParametersClass,
+                                         memoryAreaClass,
+                                         processingGroupParametersClass,
+                                         java.lang.Runnable.class};
+        
+        threadConstructor = threadClass.getConstructor(paramTypes);
+        
+        Class priorityParameterClass = Class.forName("javax.realtime.PriorityParameters");
+        priorityParameterConstructor = priorityParameterClass.getConstructor(new Class[]{int.class});        
+    }
+
+    public Thread createThread(Runnable r) throws Exception
+    {
+        return createThread(r,defaultRTThreadPriority);
+    }
+
+    public Thread createThread(Runnable r, int priority) throws Exception
+    {
+        Object priorityParams = priorityParameterConstructor.newInstance(priority);
+        return (Thread)threadConstructor.newInstance(priorityParams,null,null,null,null,r);
+    }
+
+}