Package net.sf.tweety.lp.asp.syntax
Enum ASPOperator.AggregateFunction
- java.lang.Object
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- java.lang.Enum<ASPOperator.AggregateFunction>
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- net.sf.tweety.lp.asp.syntax.ASPOperator.AggregateFunction
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<ASPOperator.AggregateFunction>
,java.lang.constant.Constable
- Enclosing class:
- ASPOperator
public static enum ASPOperator.AggregateFunction extends java.lang.Enum<ASPOperator.AggregateFunction>
The following aggregate functions are supported by the ASP-Core-2 standard and by Tweety. 'weight' in this context is the first element of an aggregate element (term tuple).
- #count: Number of elements
- #sum: Sum of weights, used to represent weight constraints.
- #max: Maximum weight
- #min: Minimum weight Clingo additionally includes the #sum+ aggregate function, which represents the sum of positive weights.- Author:
- Anna Gessler
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Method Summary
Modifier and Type Method Description java.lang.String
toString()
static ASPOperator.AggregateFunction
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static ASPOperator.AggregateFunction[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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COUNT
public static final ASPOperator.AggregateFunction COUNT
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MAX
public static final ASPOperator.AggregateFunction MAX
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MIN
public static final ASPOperator.AggregateFunction MIN
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SUM
public static final ASPOperator.AggregateFunction SUM
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SUM_PLUS
public static final ASPOperator.AggregateFunction SUM_PLUS
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Method Detail
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values
public static ASPOperator.AggregateFunction[] values()
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static ASPOperator.AggregateFunction valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Enum<ASPOperator.AggregateFunction>
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