Uses of Interface
com.bigdata.bop.aggregate.IAggregate

Packages that use IAggregate

Package	Description
com.bigdata.bop.aggregate
com.bigdata.bop.rdf.aggregate
com.bigdata.bop.solutions	This package provides distinct, sort, and aggregation operators.

Uses of IAggregate in com.bigdata.bop.aggregate

Classes in com.bigdata.bop.aggregate that implement IAggregate

Modifier and Type	Class and Description
class	AggregateBase<E> Abstract base class for aggregate functions.

Uses of IAggregate in com.bigdata.bop.rdf.aggregate

Classes in com.bigdata.bop.rdf.aggregate that implement IAggregate

Modifier and Type	Class and Description
class	AVERAGE Operator computes the running sum over the presented binding sets for the given variable.
class	COUNT Operator computes the number of non-null values over the presented binding sets for the given variable.
class	GROUP_CONCAT Operator combines the string values over the presented binding sets for the given variable.
class	MAX Operator reports the minimum observed value over the presented binding sets for the given variable using SPARQL ORDER_BY semantics.
class	MIN Operator reports the minimum observed value over the presented binding sets for the given variable using SPARQL ORDER_BY semantics.
class	SAMPLE Operator reports an arbitrary value from presented binding sets for the given variable.
class	SUM Operator computes the running sum over the presented binding sets for the given variable.

Uses of IAggregate in com.bigdata.bop.solutions

Methods in com.bigdata.bop.solutions that return types with arguments of type IAggregate

Modifier and Type	Method and Description
LinkedHashMap<IAggregate<?>,IVariable<?>>	IGroupByRewriteState.getAggExpr() The set of all unique IAggregate expressions paired with anonymous variables.
LinkedHashMap<IAggregate<?>,IVariable<?>>	GroupByRewriter.getAggExpr() The set of all unique IAggregate expressions with Binds onto anonymous variables.

Method parameters in com.bigdata.bop.solutions with type arguments of type IAggregate

Modifier and Type	Method and Description
static IConstraint	GroupByRewriter.rewrite(IConstraint e, IVariableFactory f, LinkedHashMap<IAggregate<?>,IVariable<?>> aggExpr) Rewrite an IConstraint.
static IValueExpression<?>	GroupByRewriter.rewrite(IValueExpression<?> e, IVariableFactory f, LinkedHashMap<IAggregate<?>,IVariable<?>> aggExpr) Rewrite an IValueExpression from a SELECT or HAVING clause.