Adding RunnableTask, generic notifyable Runnable wrapper

1 files changed, 90 insertions, 0 deletions

diff --git a/src/java/com/jogamp/common/util/RunnableTask.java b/src/java/com/jogamp/common/util/RunnableTask.java
new file mode 100644
index 0000000..2cf68a5
--- /dev/null
+++ b/src/java/com/jogamp/common/util/RunnableTask.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2010, Sven Gothel
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Sven Gothel nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Sven Gothel BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jogamp.common.util;
+
+/**
+ * Helper class to provide a Runnable queue implementation with a Runnable wrapper
+ * which notifies after execution for the <code>invokeAndWait()</code> semantics.
+ */
+public class RunnableTask implements Runnable {
+    Runnable runnable;
+    Object notifyObject;
+    boolean catchExceptions;
+
+    Throwable runnableException;
+    long ts0, ts1, ts2;
+
+    public RunnableTask(Runnable runnable) {
+        this(runnable, null, false);
+    }
+
+    public RunnableTask(Runnable runnable, Object notifyObject) {
+        this(runnable, notifyObject, false);
+    }
+
+    public RunnableTask(Runnable runnable, Object notifyObject, boolean catchExceptions) {
+        this.runnable = runnable ;
+        this.notifyObject = notifyObject ;
+        this.catchExceptions = catchExceptions ;
+        ts0 = System.currentTimeMillis();
+        ts1 = 0;
+        ts2 = 0;
+    }
+
+    public void run() {
+        ts1 = System.currentTimeMillis();
+        try {
+            runnable.run();
+        } catch (Throwable t) {
+            runnableException = t;
+            if(!catchExceptions) {
+                throw new RuntimeException(runnableException);
+            }
+        } finally {
+            ts2 = System.currentTimeMillis();
+        }
+        if(null != notifyObject) {
+            synchronized (notifyObject) {
+                notifyObject.notifyAll();
+            }
+        }
+    }
+
+    public boolean isExecuted() { return 0 != ts2 ; }
+    public Throwable getThrowable() { return runnableException; }
+    public long getTimestampCreate() { return ts0; }
+    public long getTimestampBeforeExec() { return ts1; }
+    public long getTimestampAfterExec() { return ts2; }
+    public long getDurationInQueue() { return ts1 - ts0; }
+    public long getDurationInExec() { return ts2 - ts1; }
+    public long getDurationTotal() { return ts2 - ts0; }
+
+    public String toString() {
+        return "RunnableTask[executed "+isExecuted()+", t2-t0 "+getDurationTotal()+", t2-t1 "+getDurationInExec()+", t1-t0 "+getDurationInQueue()+", throwable "+getThrowable()+", Runnable "+runnable+"]";
+    }
+}
+