org.openrdf.sail.rdbms.algebra
Class SqlIsNull

java.lang.Object
  org.openrdf.query.algebra.QueryModelNodeBase
      org.openrdf.sail.rdbms.algebra.base.RdbmsQueryModelNodeBase
          org.openrdf.sail.rdbms.algebra.base.UnarySqlOperator
              org.openrdf.sail.rdbms.algebra.SqlIsNull

All Implemented Interfaces:

Cloneable, QueryModelNode, SqlExpr

public class SqlIsNull
extends UnarySqlOperator

The SQL IS NULL expression.

Author:

James Leigh

Constructor Summary

SqlIsNull(SqlExpr arg)

Method Summary

<X extends Exception> void

visit(RdbmsQueryModelVisitorBase<X> visitor)

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

clone, equals, getArg, hashCode, replaceChildNode, setArg, toString, visitChildren

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

visit

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

getParentNode, getSignature, nullEquals, replaceNodeInList, replaceWith, setParentNode

Methods inherited from class java.lang.Object

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

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

getParentNode, getSignature, replaceWith, setParentNode, visit

Constructor Detail

SqlIsNull

public SqlIsNull(SqlExpr arg)

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