org.aksw.sparqlify.algebra.sql.exprs2

Class S_AggCount

java.lang.Object

org.aksw.sparqlify.algebra.sql.exprs2.S_AggCount

All Implemented Interfaces:

SqlAggregator

public class S_AggCount
extends Object
implements SqlAggregator

Only Count(*) supported yet

Author:

Claus Stadler

Constructor Summary

Constructors

Constructor and Description
S_AggCount()

Method Summary

Methods

Modifier and Type	Method and Description
void	asString(org.apache.jena.atlas.io.IndentedWriter writer)
S_AggCount	copy(SqlExpr arg)
TypeToken	getDatatype() This method must always return the same result
SqlExpr	getExpr()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

S_AggCount

public S_AggCount()

Method Detail

getExpr

public SqlExpr getExpr()

Specified by:

getExpr in interface SqlAggregator

getDatatype

public TypeToken getDatatype()

Description copied from interface: SqlAggregator

This method must always return the same result

Specified by:

getDatatype in interface SqlAggregator

Returns:

toString

public String toString()

Overrides:

toString in class Object

asString

public void asString(org.apache.jena.atlas.io.IndentedWriter writer)

Specified by:

asString in interface SqlAggregator

copy

public S_AggCount copy(SqlExpr arg)

Specified by:

copy in interface SqlAggregator