[Mathlib-commitlog] SF.net SVN: mathlib:[854] JMathLib/trunk/src/jmathlib/toolbox/jmathlib/ system/jmathlibcreateuniqueid.java

[<st_...@us...>]

Revision: 854
          http://mathlib.svn.sourceforge.net/mathlib/?rev=854&view=rev
Author:   st_mueller
Date:     2009-02-20 19:48:44 +0000 (Fri, 20 Feb 2009)

Log Message:
-----------
added new function

Added Paths:
-----------
    JMathLib/trunk/src/jmathlib/toolbox/jmathlib/system/jmathlibcreateuniqueid.java

Added: JMathLib/trunk/src/jmathlib/toolbox/jmathlib/system/jmathlibcreateuniqueid.java
===================================================================
--- JMathLib/trunk/src/jmathlib/toolbox/jmathlib/system/jmathlibcreateuniqueid.java	                        (rev 0)
+++ JMathLib/trunk/src/jmathlib/toolbox/jmathlib/system/jmathlibcreateuniqueid.java	2009-02-20 19:48:44 UTC (rev 854)
@@ -0,0 +1,51 @@
+package jmathlib.toolbox.jmathlib.system;
+
+import java.util.Date;
+import java.util.Random;
+
+import jmathlib.core.tokens.Token;
+import jmathlib.core.tokens.OperandToken;
+import jmathlib.core.functions.ExternalFunction;
+import jmathlib.core.interpreter.GlobalValues;
+
+
+public class jmathlibcreateuniqueid extends ExternalFunction
+{
+    public OperandToken evaluate(Token[] operands, GlobalValues globals)
+    {   
+
+        //throwMathLibException("jmathlibcreateuniqueid");
+
+        
+        String uniqueIDS = globals.getProperty("jmathlib.id.unique");
+        
+        if (uniqueIDS==null)
+        {
+            
+            Date d = new Date();
+            double start = (double)d.getTime();
+            String startS = new Double(start).toString();
+            
+            String randS = new Double(Math.random()).toString();
+            
+            //System.out.println("RANDOM "+startS +" "+randS);
+            
+            globals.setProperty("jmathlib.id.unique", startS+randS);
+        }
+        
+        return  null;
+    }
+}
+
+/*
+@GROUP
+system
+@SYNTAX
+jmathlibcreateuniqueid
+@DOC
+create a unique id for jmathlib
+@NOTES
+@EXAMPLES
+@SEE
+update, checkforupdates
+*/
\ No newline at end of file


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