public static synchronized ClientConnectionManager getRef ( ) { if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEntryEnabled ( ) ) SibTr . entry ( tc , "getRef" ) ; if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEntryEnabled ( ) ) SibTr . exit ( tc , "getRef" , instance ) ; return instance ; }
Returns a reference to the single instance of this class in existence . The class must have been previously initilised by a call to the initialise method - otherwise invoking this method will generate a runtime exception . This class implements the singleton design pattern .