Package org.eclipse.persistence.tools.profiler

Class FetchGroupMonitor

  • public class FetchGroupMonitor
extends java.lang.Object

    Purpose: Provide a very simple low overhead means for measuring fetch group field usage. This can be useful for performance analysis in a complex system. This monitor is enabled through the System property "org.eclipse.persistence.fetchgroupmonitor=true". It dumps the attribute used for a class every time a new attribute is accessed.

    Author:
    James Sutherland
    Since:
    TopLink 10.1.3.2

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void recordFetchedAttribute​(java.lang.Class domainClass, java.lang.String attributeName)  
      static boolean shouldMonitor()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • fetchedAttributes

        public static java.util.Hashtable fetchedAttributes

      • shouldMonitor

        public static java.lang.Boolean shouldMonitor

    • Constructor Detail

      • FetchGroupMonitor

        public FetchGroupMonitor()

    • Method Detail

      • shouldMonitor

        public static boolean shouldMonitor()

      • recordFetchedAttribute

        public static void recordFetchedAttribute​(java.lang.Class domainClass,
                                          java.lang.String attributeName)