org.openrdf.query.algebra
Class Label

java.lang.Object
  org.openrdf.query.algebra.QueryModelNodeBase
      org.openrdf.query.algebra.UnaryValueOperator
          org.openrdf.query.algebra.Label

All Implemented Interfaces:

Cloneable, QueryModelNode, ValueExpr

public class Label
extends UnaryValueOperator

The LABEL function, which selects the label of literals.

Author:

Arjohn Kampman

Field Summary

Fields inherited from class org.openrdf.query.algebra.UnaryValueOperator

arg

Constructor Summary

Label()

Label(ValueExpr arg)

Method Summary

Label	clone() Returns a (deep) clone of this query model node.
<X extends Exception> void	visit(QueryModelVisitor<X> visitor) Visits this node.

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

getArg, replaceChildNode, setArg, visitChildren

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

getParentNode, getSignature, replaceWith, setParentNode, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

getParentNode, getSignature, replaceWith, setParentNode, toString

Constructor Detail

Label

public Label()

Label

public Label(ValueExpr arg)

Method Detail

visit

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

Description copied from interface: QueryModelNode

Visits this node. The node reports itself to the visitor with the proper runtime type.

Throws:

X extends Exception

clone

public Label 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 ValueExpr

Overrides:

clone in class UnaryValueOperator

Returns:

A deep clone of this query model node.