=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java	2014-06-23 14:46:45 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java	2014-06-23 15:07:29 +0000
@@ -230,11 +230,28 @@
         return createPeriod( calendar.fromIso( DateUnit.fromJdkCalendar( cal ) ), calendar );
     }
 
+    /**
+     * Creates a valid Period based on the given date. E.g. the given date is
+     * February 10. 2007, a monthly PeriodType should return February 2007. This
+     * method is intended for use in situations where a huge number of of periods
+     * will be generated and its desirable to re-use the calendar.
+     *
+     * @param date the date which is contained by the created period.
+     * @param calendar the calendar implementation to use.
+     * @return the valid Period based on the given date
+     */
+    public Period createPeriod( Date date, org.hisp.dhis.calendar.Calendar calendar )
+    {
+        Calendar cal = createCalendarInstance( date );
+        
+        return createPeriod( calendar.fromIso( DateUnit.fromJdkCalendar( cal ) ), calendar );
+    }
+
     public Period toIsoPeriod( DateUnit start, DateUnit end )
     {
         org.hisp.dhis.calendar.Calendar cal = getCalendar();
         
-        return new Period( this, cal.toIso( start ).toJdkDate(), cal.toIso( end ).toJdkDate() );
+        return toIsoPeriod( start, end, cal );
     }
 
     protected Period toIsoPeriod( DateUnit start, DateUnit end, org.hisp.dhis.calendar.Calendar calendar )

=== modified file 'dhis-2/dhis-services/dhis-service-administration/src/main/java/org/hisp/dhis/resourcetable/DefaultResourceTableService.java'
--- dhis-2/dhis-services/dhis-service-administration/src/main/java/org/hisp/dhis/resourcetable/DefaultResourceTableService.java	2014-05-04 09:55:24 +0000
+++ dhis-2/dhis-services/dhis-service-administration/src/main/java/org/hisp/dhis/resourcetable/DefaultResourceTableService.java	2014-06-23 15:07:29 +0000
@@ -44,6 +44,7 @@
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.hisp.dhis.calendar.Calendar;
 import org.hisp.dhis.common.comparator.IdentifiableObjectNameComparator;
 import org.hisp.dhis.dataelement.CategoryOptionGroup;
 import org.hisp.dhis.dataelement.CategoryOptionGroupSet;
@@ -423,7 +424,6 @@
     // PeriodTable
     // -------------------------------------------------------------------------
 
-    @Transactional
     public void generateDatePeriodTable()
     {
         // ---------------------------------------------------------------------
@@ -440,10 +440,12 @@
         
         List<Object[]> batchArgs = new ArrayList<Object[]>();
         
-        Date startDate = new Cal( 1970, 1, 1 ).time(); //TODO
+        Date startDate = new Cal( 1975, 1, 1 ).time(); //TODO
         Date endDate = new Cal( 2030, 1 , 1 ).time();
-        
+                
         List<Period> days = new DailyPeriodType().generatePeriods( startDate, endDate );
+                
+        Calendar cal = PeriodType.getCalendar();
         
         for ( Period day : days )
         {
@@ -453,7 +455,7 @@
             
             for ( PeriodType periodType : periodTypes )
             {
-                Period period = periodType.createPeriod( day.getStartDate() );
+                Period period = periodType.createPeriod( day.getStartDate(), cal );
                 
                 Assert.notNull( period );
                 
@@ -462,7 +464,7 @@
             
             batchArgs.add( values.toArray() );
         }
-        
+                
         resourceTableStore.batchUpdate( PeriodType.PERIOD_TYPES.size() + 1, TABLE_NAME_DATE_PERIOD_STRUCTURE, batchArgs );
         
         log.info( "Period table generated" );