NullOperator Methods |
The NullOperator type exposes the following members.
Methods| Name | Description | |
|---|---|---|
 | Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Evaluate |
Evaluates the Null operator which of course always returns a NullMultiset.
|
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ToGraphPattern |
Throws an error since a null operator cannot be transformed back into a query.
|
| ToQuery |
Throws an error since a null operator cannot be transformed back into a query.
|
| ToString |
Gets the string representation of the algebra.
(Overrides ObjectToString.) |
See Also