org.openrdf.sail.rdbms.algebra
Class ColumnVar

java.lang.Object
  org.openrdf.sail.rdbms.algebra.ColumnVar

All Implemented Interfaces:

Cloneable

public class ColumnVar
extends Object
implements Cloneable

Represents a variable in an SQL expression.

Author:

James Leigh

Method Summary

ColumnVar	as(String name)
ColumnVar	as(String alias, String column)
static ColumnVar	createCtx(String alias, Var v, Resource resource)
static ColumnVar	createObj(String alias, Var v, Value value)
static ColumnVar	createPred(String alias, Var v, URI uri, boolean implied)
static ColumnVar	createSubj(String alias, Var v, Resource resource)
boolean	equals(Object other)
String	getAlias()
String	getColumn()
int	getIndex()
String	getName()
ValueTypes	getTypes()
Value	getValue()
int	hashCode()
boolean	isAnonymous()
boolean	isHiddenOrConstant()
boolean	isHiddenOrImplied()
boolean	isImplied()
boolean	isNullable()
boolean	isPredicate()
boolean	isResource()
boolean	isURI()
void	setIndex(int index)
void	setTypes(ValueTypes types)
void	setValue(Value value)
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

createSubj

public static ColumnVar createSubj(String alias,
                                   Var v,
                                   Resource resource)

createPred

public static ColumnVar createPred(String alias,
                                   Var v,
                                   URI uri,
                                   boolean implied)

createObj

public static ColumnVar createObj(String alias,
                                  Var v,
                                  Value value)

createCtx

public static ColumnVar createCtx(String alias,
                                  Var v,
                                  Resource resource)

getTypes

public ValueTypes getTypes()

setTypes

public void setTypes(ValueTypes types)

isAnonymous

public boolean isAnonymous()

isHiddenOrImplied

public boolean isHiddenOrImplied()

isHiddenOrConstant

public boolean isHiddenOrConstant()

isImplied

public boolean isImplied()

isResource

public boolean isResource()

isURI

public boolean isURI()

isNullable

public boolean isNullable()

getIndex

public int getIndex()

setIndex

public void setIndex(int index)

getName

public String getName()

getValue

public Value getValue()

setValue

public void setValue(Value value)

getColumn

public String getColumn()

isPredicate

public boolean isPredicate()

getAlias

public String getAlias()

as

public ColumnVar as(String name)

as

public ColumnVar as(String alias,
                    String column)

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object