Module org.apache.jena.arq

Package org.apache.jena.sparql.expr.aggregate

Class AggregatorFactory

java.lang.Object

org.apache.jena.sparql.expr.aggregate.AggregatorFactory

public class AggregatorFactory
extends Object

Constructor Summary

Constructors

Constructor	Description
AggregatorFactory()

Method Summary

Modifier and Type	Method	Description
static Aggregator	createAggNull()
static Aggregator	createAvg(boolean distinct, Expr expr)
static Aggregator	createCount(boolean distinct)
static Aggregator	createCountExpr(boolean distinct, Expr expr)
static Aggregator	createCustom(String iri, boolean distinct, Expr expr)
static Aggregator	createCustom(String iri, boolean distinct, ExprList exprs)
static Aggregator	createCustom(String iri, Args a)
static Aggregator	createFold(boolean distinct, Expr expr1, Expr expr2, List<SortCondition> orderBy)
static Aggregator	createGroupConcat(boolean distinct, Expr expr, String separator, ExprList orderedBy)
static Aggregator	createMax(boolean distinct, Expr expr)
static Aggregator	createMedian(boolean distinct, Expr expr)
static Aggregator	createMin(boolean distinct, Expr expr)
static Aggregator	createMode(boolean distinct, Expr expr)
static Aggregator	createSample(boolean distinct, Expr expr)
static Aggregator	createSum(boolean distinct, Expr expr)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AggregatorFactory

public AggregatorFactory()

Method Details

createCount

public static Aggregator createCount(boolean distinct)

createCountExpr

public static Aggregator createCountExpr(boolean distinct,
 Expr expr)

createSum

public static Aggregator createSum(boolean distinct,
 Expr expr)

createMin

public static Aggregator createMin(boolean distinct,
 Expr expr)

createMax

public static Aggregator createMax(boolean distinct,
 Expr expr)

createAvg

public static Aggregator createAvg(boolean distinct,
 Expr expr)

createMedian

public static Aggregator createMedian(boolean distinct,
 Expr expr)

createMode

public static Aggregator createMode(boolean distinct,
 Expr expr)

createSample

public static Aggregator createSample(boolean distinct,
 Expr expr)

createGroupConcat

public static Aggregator createGroupConcat(boolean distinct,
 Expr expr,
 String separator,
 ExprList orderedBy)

createAggNull

public static Aggregator createAggNull()

createFold

public static Aggregator createFold(boolean distinct,
 Expr expr1,
 Expr expr2,
 List<SortCondition> orderBy)

createCustom

public static Aggregator createCustom(String iri,
 Args a)

createCustom

public static Aggregator createCustom(String iri,
 boolean distinct,
 Expr expr)

createCustom

public static Aggregator createCustom(String iri,
 boolean distinct,
 ExprList exprs)