com.bigdata.bop

Interface IVariable<E>

All Superinterfaces:

BOp, Cloneable, IPropertySet, IValueExpression<E>, IVariableOrConstant<E>, Serializable

All Known Implementing Classes:

Var

public interface IVariable<E>
extends IVariableOrConstant<E>

A variable.

Version:

$Id$

Author:

Bryan Thompson

Nested Class Summary

Nested classes/interfaces inherited from interface com.bigdata.bop.BOp

BOp.Annotations

Field Summary

Fields

Modifier and Type	Field and Description
static IVariable<?>[]	EMPTY An empty IVariable array.

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Method Summary

Methods

Modifier and Type	Method and Description
int	hashCode() The hash code of the name of the variable as reported by IVariableOrConstant.getName()
boolean	isAnonymous() Return true iff this is an anonymous variable.
boolean	isWildcard() Return true iff this is the special variable *

Methods inherited from interface com.bigdata.bop.IVariableOrConstant

equals, get, getName, isConstant, isVar

Methods inherited from interface com.bigdata.bop.IValueExpression

get, toString

Methods inherited from interface com.bigdata.bop.BOp

annotations, argIterator, args, arity, clone, get, getEvaluationContext, getId, getProperty, getRequiredProperty, isController, setProperty, toArray, toArray, toShortString, toString

Methods inherited from interface cutthecrap.utils.striterators.IPropertySet

getProperty

Field Detail

EMPTY

static final IVariable<?>[] EMPTY

An empty IVariable array.

Method Detail

hashCode

int hashCode()

The hash code of the name of the variable as reported by IVariableOrConstant.getName()

Overrides:

hashCode in class Object

isWildcard

boolean isWildcard()

Return true iff this is the special variable *

isAnonymous

boolean isAnonymous()

Return true iff this is an anonymous variable.