// Workflow, depending on the experiment type:
if( AdminManagerImpl.IDENTIFY.equals(etype)) {
log.info("Running an Identify experiment.");
if( ewfCache == null || ( ! (ewfCache instanceof IdentifyWorkflow) ) )
ewfCache = new IdentifyWorkflow();
} else if( AdminManagerImpl.MIGRATE.equals(etype)) {
log.info("Running a Migrate experiment.");
if( ewfCache == null || ( ! (ewfCache instanceof MigrateWorkflow) ) )
ewfCache = new MigrateWorkflow();