added 'trace' capabilities

Author: ar

jpos/src/main/java/org/jpos/transaction/Context.java

@@ -34,6 +34,7 @@ public class Context implements Externalizable, Loggeable, Pausable {
     private Map pmap;          // persistent (serializable) map
     private long timeout;
     private boolean resumeOnPause = false;
+    private transient boolean trace = false;
 
     public static String LOGEVT = "LOGEVT";
     public static String PROFILER = "PROFILER";
@@ -42,10 +43,16 @@ public class Context implements Externalizable, Loggeable, Pausable {
     public Context () {
         super ();
     }
+
     /**
      * puts an Object in the transient Map
      */
     public void put (Object key, Object value) {
+        if (trace) {
+            getProfiler().checkPoint(
+                String.format("   %s='%s' [%s]", key, value, new Throwable().getStackTrace()[1].toString())
+            );
+        }
         getMap().put (key, value);
         synchronized (this) {
             notifyAll();
@@ -55,9 +62,14 @@ public void put (Object key, Object value) {
      * puts an Object in the transient Map
      */
     public void put (Object key, Object value, boolean persist) {
-        getMap().put (key, value);
+        if (trace) {
+            getProfiler().checkPoint(
+                String.format("P: %s='%s' [%s]", key, value, new Throwable().getStackTrace()[1].toString())
+            );
+        }
         if (persist && value instanceof Serializable)
             getPMap().put (key, value);
+        getMap().put(key, value);
     }
     /**
      * Get
@@ -261,6 +273,13 @@ public synchronized void resume() {
             resumeOnPause = true;
         }
     }
+    public boolean isTrace() {
+        return trace;
+    }
+    public void setTrace(boolean trace) {
+        getProfiler();
+        this.trace = trace;
+    }
     static final long serialVersionUID = 6056487212221438338L;
 }