kodkod.ast.operator

Enum FormulaOperator

java.lang.Object

java.lang.Enum<FormulaOperator>

kodkod.ast.operator.FormulaOperator

All Implemented Interfaces:

Serializable, Comparable<FormulaOperator>

public enum FormulaOperator
extends Enum<FormulaOperator>

Enumerates binary (&&, ||, =>, <=>) and nary (&&, ||) logical operators.

Specfields:

op: (int->lone Formula) -> Formula

Invariants:

all args: seq Formula, out: Formula | args->out in op => (out.children = args && out.op = this)

Enum Constant Summary

Enum Constants

Enum Constant and Description
AND Logical AND operator.
IFF Logical bi-implication operator.
IMPLIES Logical implication operator.
OR Logical OR operator.

Method Summary

Modifier and Type	Method and Description
boolean	nary() Returns true if this is an nary operator.
static FormulaOperator	valueOf(String name) Returns the enum constant of this type with the specified name.
static FormulaOperator[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

AND

public static final FormulaOperator AND

Logical AND operator.

IFF

public static final FormulaOperator IFF

Logical bi-implication operator.

IMPLIES

public static final FormulaOperator IMPLIES

Logical implication operator.

OR

public static final FormulaOperator OR

Logical OR operator.

Method Detail

nary

public final boolean nary()

Returns true if this is an nary operator.

Returns:

true if this is an nary operator

valueOf

public static FormulaOperator valueOf(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:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

values

public static FormulaOperator[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (FormulaOperator c : FormulaOperator.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared