question: @ Override public < A extends Annotation > ExpressionResult checkUserPermissions ( PersistentResource < ? > resource , Class < A > annotationClass , String field ) { if ( requestScope . getSecurityMode ( ) == SecurityMode . SECURITY_INACTIVE ) { return ExpressionResult . PASS ; } ExpressionResult expressionResult = userPermissionCheckCache . get ( Triple . of ( annotationClass , resource . getResourceClass ( ) , field ) ) ; if ( expressionResult != null ) { return expressionResult ; } Expressions expressions = expressionBuilder . buildUserCheckFieldExpressions ( resource , annotationClass , field ) ; expressionResult = executeExpressions ( expressions , annotationClass ) ; userPermissionCheckCache . put ( Triple . of ( annotationClass , resource . getResourceClass ( ) , field ) , expressionResult ) ; if ( expressionResult == PASS ) { expressionResultShortCircuit . add ( Triple . of ( annotationClass , resource . getResourceClass ( ) , field ) ) ; } return expressionResult ; }
target:  Check strictly user permissions on a specific field and entity.