com.bigdata.rdf.inf
Class VarOrId

java.lang.Object
  com.bigdata.rdf.inf.VarOrId

All Implemented Interfaces:

Comparable<VarOrId>

public abstract class VarOrId
extends Object
implements Comparable<VarOrId>

A class that models either a constant identifier for an RDF Value or an unbound variable.

Field Summary

long	id The reserved value IRawTripleStore.NULL is used to denote an unbound variable.
protected static long	NULL

Constructor Summary

protected

VarOrId(long id)

Method Summary

abstract boolean	equals(VarOrId o)
abstract int	hashCode()
abstract boolean	isConstant()
abstract boolean	isVar()
abstract String	toString()
abstract String	toString(AbstractTripleStore db)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

NULL

protected static final transient long NULL

See Also:

Constant Field Values

id

public final long id

The reserved value IRawTripleStore.NULL is used to denote an unbound variable.

Constructor Detail

VarOrId

protected VarOrId(long id)

Method Detail

isVar

public abstract boolean isVar()

isConstant

public abstract boolean isConstant()

equals

public abstract boolean equals(VarOrId o)

hashCode

public abstract int hashCode()

Overrides:

hashCode in class Object

toString

public abstract String toString()

Overrides:

toString in class Object

toString

public abstract String toString(AbstractTripleStore db)