org.btrplace.btrpsl.element

Class IgnorableOperand

java.lang.Object

org.btrplace.btrpsl.element.DefaultBtrpOperand

org.btrplace.btrpsl.element.IgnorableOperand

All Implemented Interfaces:

BtrpOperand, Copyable<BtrpOperand>

public final class IgnorableOperand
extends DefaultBtrpOperand

Denotes an operand that have to be ignored. This is used to avoid interpretation when an error occurred previously

Author:

Fabien Hermenier

Nested Class Summary

Nested classes/interfaces inherited from interface org.btrplace.btrpsl.element.BtrpOperand

BtrpOperand.Type

Method Summary

Modifier and Type	Method and Description
BtrpOperand	copy()
int	degree() Get the degree of the operand.
static IgnorableOperand	getInstance() Get the unique instance of this class.
BtrpOperand.Type	type() Unsupported operation.

Methods inherited from class org.btrplace.btrpsl.element.DefaultBtrpOperand

div, eq, geq, gt, label, minus, negate, not, plus, power, prettyType, prettyType, prettyType, remainder, setLabel, times

Methods inherited from class java.lang.Object

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

Method Detail

type

public BtrpOperand.Type type()

Unsupported operation.

Returns:

a type

degree

public int degree()

Description copied from interface: BtrpOperand

Get the degree of the operand. A degree of 0 indicates a single value. A degree of 1 indicates a set of single value. A degree of 2 indicate a set of set of values. Basically. An operand with a degree n is a set of elements with all having the degree n - 1

Returns:

0

getInstance

public static IgnorableOperand getInstance()

Get the unique instance of this class.

Returns:

the singleton

copy

public BtrpOperand copy()

Returns:

getInstance()