Expression.NegationExpression (Rule Game web API documentation)

java.lang.Object

edu.wisc.game.parser.Expression.NegationExpression

All Implemented Interfaces:: Expression, Expression.ArithmeticExpression

Enclosing interface:: Expression

public static class Expression.NegationExpression
extends Object
implements Expression.ArithmeticExpression

!E evaluates to [1] if E is an empty set, or to [] otherwise

Nested Class Summary

Nested classes/interfaces inherited from interface edu.wisc.game.parser.Expression
Expression.AdditiveExpression, Expression.ArithmeticExpression, Expression.BracketList, Expression.ColonExpression, Expression.ComparisonExpression, Expression.ExList, Expression.Id, Expression.Mapper, Expression.MapTo<T>, Expression.MultiplicativeExpression, Expression.NegationExpression, Expression.Num, Expression.ParenList, Expression.PropMap, Expression.QualifiedId, Expression.RangeExpression, Expression.SerialExpression, Expression.Star, Expression.VarMap, Expression.VarMap2
Field Summary

Fields inherited from interface edu.wisc.game.parser.Expression
STAR

Method Summary

Modifier and Type	Method	Description
`HashSet<Integer>`	`evalSet(HashMap<String,HashSet<Integer>> hh)`	Evaluates this expression for the given values of the variables involved.
`HashSet<Object>`	`evalSet2(Expression.VarMap2 hh)`
`HashSet<String>`	`listAllVars()`	Lists all variable names used in this expression
`Expression`	`map(Expression.Mapper mapper)`	Applies the mapper to each component
`String`	`toSrc()`
`String`	`toString()`

Methods inherited from class java.lang.Object

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

Method Details
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- toSrc
  
  public String toSrc()
  
  Specified by:
  
  toSrc in interface Expression
- listAllVars
  
  public HashSet<String> listAllVars()
  
  Lists all variable names used in this expression
  
  Specified by:
  
  listAllVars in interface Expression.ArithmeticExpression
- evalSet
  
  public HashSet<Integer> evalSet(HashMap<String,HashSet<Integer>> hh)
  
  Description copied from interface: Expression.ArithmeticExpression
  
  Evaluates this expression for the given values of the variables involved. Can be used when the arguments can have multiple values.
  
  Specified by:
  
  evalSet in interface Expression.ArithmeticExpression
  
  Parameters:
  
  hh - The hash map that contains for each variable the possible set of its values.
  
  Returns:
  
  the set of the possible values of the expression, or an empty set if the expression uses a variable whose value is not in h
- evalSet2
  
  public HashSet<Object> evalSet2(Expression.VarMap2 hh)
  
  Specified by:
  
  evalSet2 in interface Expression.ArithmeticExpression
- map
  
  public Expression map(Expression.Mapper mapper) throws RuleParseException
  
  Applies the mapper to each component
  
  Specified by:
  
  map in interface Expression
  
  Throws:
  
  RuleParseException