com.holonplatform.core.query

Interface QueryFunction.Avg

All Superinterfaces:

Expression, QueryFunction<Double>

Enclosing interface:

QueryFunction<T>

public static interface QueryFunction.Avg
extends QueryFunction<Double>

A function which represents the average value of a query result.

The result type is always a Double.

Nested Class Summary

Nested classes/interfaces inherited from interface com.holonplatform.core.query.QueryFunction

QueryFunction.Avg, QueryFunction.Count, QueryFunction.Max<T>, QueryFunction.Min<T>, QueryFunction.Sum<T>

Nested classes/interfaces inherited from interface com.holonplatform.core.Expression

Expression.ExpressionResolverFunction<E extends Expression,R extends Expression>, Expression.InvalidExpressionException

Method Summary

Modifier and Type	Method and Description
static QueryFunction.Avg	create() Create a new QueryFunction.Avg function instance.

Methods inherited from interface com.holonplatform.core.query.QueryFunction

getResultType

Methods inherited from interface com.holonplatform.core.Expression

validate

Method Detail

create

static QueryFunction.Avg create()

Create a new QueryFunction.Avg function instance.

Returns:

New QueryFunction.Avg function instance