replicaLog.setSearchCriteria( criteria );
dirService.getEventService().addListener( handler, criteria );
// then start pushing initial content
LessEqNode csnNode = new LessEqNode( SchemaConstants.ENTRY_CSN_AT, contexCsnValue );
// modify the filter to include the context Csn
ExprNode initialContentFilter = new AndNode( modifiedFilter, csnNode );
request.setFilter( initialContentFilter );