org.openrdf.query.algebra
Interface AggregateOperator

All Superinterfaces:

Cloneable, QueryModelNode, ValueExpr

All Known Implementing Classes:

Count, Max, Min

public interface AggregateOperator
extends ValueExpr

An operator that returns aggregates values.

Author:

David Huynh

Method Summary

AggregateOperator

clone() Returns a (deep) clone of this query model node.

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

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

Method Detail

clone

AggregateOperator 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

Returns:

A deep clone of this query model node.