org.eclipse.viatra.query.patternlanguage.typing

## Class TypeInformation

- java.lang.Object
- - org.eclipse.viatra.query.patternlanguage.typing.TypeInformation

-     public class TypeInformation
      extends java.lang.Object

  This class is used to store type information for selected patterns
  Since:
    1.3

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `TypeInformation(ITypeSystem typeSystem)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `declareType(Expression expression, IInputKey type)` Describes that the selected expression is declared to have the selected type
    `java.util.Set<IInputKey>` | `getAllPossibleParameterTypes(Variable parameter)`
    `java.util.Set<IInputKey>` | `getAllTypes(Expression expression)`
    `IInputKey` | `getType(Expression expression)`
    `boolean` | `isProcessed(Pattern pattern)`
    `void` | `provideType(AbstractTypeJudgement constraint)` Describes that a constraint ensures that a variable has a specific type
    `void` | `setProcessed(Pattern pattern)`
    `java.lang.String` | `toString()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### TypeInformation

          public TypeInformation(ITypeSystem typeSystem)

  - ### Method Detail

    - #### isProcessed

          public boolean isProcessed(Pattern pattern)

    - #### setProcessed

          public void setProcessed(Pattern pattern)

    - #### declareType

          public void declareType(Expression expression,
                                  IInputKey type)

      Describes that the selected expression is declared to have the selected type
      Parameters:
        `expression` -
        `type` -

    - #### provideType

          public void provideType(AbstractTypeJudgement constraint)

      Describes that a constraint ensures that a variable has a specific type
      Parameters:
        `constraint` -

    - #### getType

          public IInputKey getType(Expression expression)

    - #### getAllTypes

          public java.util.Set<IInputKey> getAllTypes(Expression expression)

    - #### getAllPossibleParameterTypes

          public java.util.Set<IInputKey> getAllPossibleParameterTypes(Variable parameter)

      Since:
        1.4

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`