org.openrdf.sail.rdbms.algebra
Class IdColumn

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

All Implemented Interfaces:

Cloneable, QueryModelNode, SqlExpr

public class IdColumn
extends RdbmsQueryModelNodeBase
implements SqlExpr

A particular column in an SQL expression.

Author:

James Leigh

Constructor Summary

IdColumn(ColumnVar var)

IdColumn(String alias)

IdColumn(String alias, String column)

Method Summary

IdColumn	clone() Returns a (deep) clone of this query model node.
boolean	equals(Object obj)
String	getAlias()
String	getColumn()
String	getSignature() Default implementation of QueryModelNode.getSignature() that prints the name of the node's class.
int	hashCode()
<X extends Exception> void	visit(RdbmsQueryModelVisitorBase<X> visitor)

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

visit

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

getParentNode, replaceChildNode, 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

IdColumn

public IdColumn(String alias)

IdColumn

public IdColumn(ColumnVar var)

IdColumn

public IdColumn(String alias,
                String column)

Method Detail

getAlias

public String getAlias()

getColumn

public String getColumn()

getSignature

public String getSignature()

Description copied from class: QueryModelNodeBase

Default implementation of QueryModelNode.getSignature() that prints the name of the node's class.

Specified by:

getSignature in interface QueryModelNode

Overrides:

getSignature in class QueryModelNodeBase

Returns:

The node's signature, e.g. SLICE (offset=10, limit=10).

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 IdColumn 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 QueryModelNodeBase

Returns:

A deep clone of this query model node.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object