question: public void createEntityConfig ( String realm , EntityConfigElement entityConfig ) throws IDFFMetaException { String classMethod = "IDFFMetaManager.createEntityConfig:" ; String entityID = null ; if ( entityConfig == null ) { LogUtil . error ( Level . INFO , LogUtil . NULL_ENTITY_CONFIG , null ) ; throw new IDFFMetaException ( "nullEntityConfig" , null ) ; } else { entityID = entityConfig . getEntityID ( ) ; if ( entityID == null ) { LogUtil . error ( Level . INFO , LogUtil . NULL_ENTITY_ID , null ) ; debug . error ( classMethod + "entity ID is null" ) ; throw new IDFFMetaException ( "nullEntityID" , null ) ; } } if ( ( realm == null ) || ( realm . length ( ) == 0 ) ) { realm = ROOT_REALM ; } String [ ] args = { entityID , realm } ; try { Map attrs = IDFFMetaUtils . convertJAXBToAttrMap ( IDFF_ENTITY_CONFIG_ATTR , entityConfig ) ; Map origAttrs = idffMetaConfigInstance . getConfiguration ( realm , entityID ) ; if ( origAttrs == null ) { if ( debug . messageEnabled ( ) ) { debug . message ( classMethod + "Entity Descriptor for" + entityID + " does not exist" ) ; } LogUtil . error ( Level . INFO , LogUtil . ENTITY_CONFIG_NOT_FOUND , args ) ; throw new IDFFMetaException ( "noEntityDescriptor" , args ) ; } Set origValues = ( Set ) origAttrs . get ( IDFF_ENTITY_CONFIG_ATTR ) ; if ( ! origValues . isEmpty ( ) ) { if ( debug . messageEnabled ( ) ) { debug . message ( classMethod + "Entity Config exists. " + "Use setEntityConfig to set the configuration" ) ; } LogUtil . error ( Level . INFO , LogUtil . ENTITY_CONFIG_EXISTS , args ) ; throw new IDFFMetaException ( "entityConfigExists" , args ) ; } if ( debug . messageEnabled ( ) ) { debug . message ( classMethod + "Entity Config Attrs :" + attrs ) ; } idffMetaConfigInstance . setConfiguration ( realm , entityID , attrs ) ; addEntityToCOT ( realm , entityID ) ; LogUtil . access ( Level . INFO , LogUtil . CREATE_ENTITY_CONFIG_SUCCEEDED , args ) ; } catch ( ConfigurationException ce ) { debug . error ( classMethod + "Cannot create entity config" , ce ) ; LogUtil . error ( Level . INFO , LogUtil . CREATE_ENTITY_CONFIG_FAILED , args ) ; throw new IDFFMetaException ( ce ) ; } catch ( UnsupportedOperationException uoe ) { debug . error ( classMethod + "Unsupported operation" ) ; LogUtil . error ( Level . INFO , LogUtil . UNSUPPORTED_OPERATION , args ) ; throw new IDFFMetaException ( uoe ) ; } catch ( JAXBException jaxbe ) { debug . error ( classMethod , jaxbe ) ; LogUtil . error ( Level . INFO , LogUtil . INVALID_ENTITY_CONFIG , args ) ; throw new IDFFMetaException ( "invalidEntityConfig" , args ) ; } }
target:  Creates the extended entity configuration under the realm.