org.openrdf.sail.rdbms.algebra

Class RefIdColumn

java.lang.Object

org.openrdf.query.algebra.QueryModelNodeBase

org.openrdf.sail.rdbms.algebra.base.RdbmsQueryModelNodeBase

org.openrdf.sail.rdbms.algebra.base.ValueColumnBase

org.openrdf.sail.rdbms.algebra.RefIdColumn

All Implemented Interfaces:

Serializable, Cloneable, QueryModelNode, SqlExpr

public class RefIdColumn
extends ValueColumnBase

Represents a variable's internal id value in an SQL expression.

Author:

James Leigh

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RefIdColumn(ColumnVar var)
RefIdColumn(Var var)

Method Summary

Modifier and Type	Method and Description
RefIdColumn	clone() Returns a (deep) clone of this query model node.
<X extends Exception> void	visit(RdbmsQueryModelVisitorBase<X> visitor)

Methods inherited from class org.openrdf.sail.rdbms.algebra.base.ValueColumnBase

equals, getAlias, getColumn, getRdbmsVar, getSignature, getVarName, hashCode, setRdbmsVar

Methods inherited from class org.openrdf.sail.rdbms.algebra.base.RdbmsQueryModelNodeBase

visit

Methods inherited from class org.openrdf.query.algebra.QueryModelNodeBase

getParentNode, nullEquals, replaceChildNode, replaceNodeInList, replaceWith, setParentNode, toString, visitChildren

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.query.algebra.QueryModelNode

getParentNode, replaceChildNode, replaceWith, setParentNode, toString, visit, visitChildren

Constructor Detail

RefIdColumn

public RefIdColumn(ColumnVar var)

RefIdColumn

public RefIdColumn(Var var)

Method Detail

visit

public <X extends Exception> void visit(RdbmsQueryModelVisitorBase<X> visitor)
                                 throws X extends Exception

Specified by:

visit in class RdbmsQueryModelNodeBase

Throws:

X extends Exception

clone

public RefIdColumn clone()

Description copied from interface: QueryModelNode

Returns a (deep) clone of this query model node. This method recursively clones the entire node tree, starting from this nodes.

Specified by:

clone in interface QueryModelNode

Specified by:

clone in interface SqlExpr

Overrides:

clone in class ValueColumnBase

Returns:

A deep clone of this query model node.