org.openrdf.sail.rdbms.algebra

Class SqlNull

java.lang.Object

org.openrdf.query.algebra.QueryModelNodeBase

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

org.openrdf.sail.rdbms.algebra.base.SqlConstant<Object>

org.openrdf.sail.rdbms.algebra.SqlNull

All Implemented Interfaces:

Cloneable, QueryModelNode, SqlExpr

public class SqlNull
extends SqlConstant<Object>

The SQL NULL expression.

Author:

James Leigh

Constructor Summary

Constructors

Constructor and Description
SqlNull()

Method Summary

Methods

Modifier and Type	Method and Description
<X extends Exception> void	visit(RdbmsQueryModelVisitorBase<X> visitor)

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

clone, equals, getSignature, getValue, hashCode, setValue

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

SqlNull

public SqlNull()

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