# Package org.eclipse.rdf4j.spin.function

Core functions required for SPIN.

- Interface Summary
  Interface | Description
  --- | ---
  FunctionParser |
  InverseMagicProperty | Magic properties are normally treated as `TupleFunction`s acting on the subject of a statement.
  TransientFunction | Tagging interface for `Function`s that have some sort of lifespan.
  TransientTupleFunction | Tagging interface for `TupleFunction`s that have some sort of lifespan.
  TupleFunctionParser |

- Class Summary
  Class | Description
  --- | ---
  AbstractSpinFunction |
  Add |
  And |
  AskFunction |
  Concat | Extended version of concat for SPIN.
  ConstructTupleFunction |
  Divide |
  EqualTo |
  EvalFunction |
  GreaterThan |
  GreaterThanOrEqualTo |
  KnownFunctionParser |
  KnownTupleFunctionParser |
  LessThan |
  LessThanOrEqualTo |
  Localname |
  Multiply |
  Not |
  NotEqualTo |
  ObjectFunction |
  Or |
  SelectTupleFunction |
  SpinFunction |
  SpinFunctionParser |
  SpinTupleFunction |
  SpinTupleFunctionAsFunctionParser |
  SpinTupleFunctionParser |
  SpinxFunction |
  SpinxFunctionParser |
  Subtract |