com.tibbo.aggregate.common.expression.function

Class AbstractSingleValueCollectorFunction

java.lang.Object

com.tibbo.aggregate.common.expression.function.AbstractFunction

com.tibbo.aggregate.common.expression.function.AbstractSingleValueCollectorFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

AverageFunction, MaxFunction, MedianFunction, MinFunction, ModeFunction, StandardDeviationFunction, StandardErrorMeanFunction, SumFunction, VarianceFunction

public abstract class AbstractSingleValueCollectorFunction
extends AbstractFunction

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic	collector

Fields inherited from interface com.tibbo.aggregate.common.expression.Function

ABSOLUTE, EXPRESSION_EDITOR_OPTIONS, GROUP_COLOR_PROCESSING, GROUP_CONTEXT_RELATED, GROUP_DATA_BLOCK_PROCESSING, GROUP_DATA_TABLE_PROCESSING, GROUP_DATE_TIME_PROCESSING, GROUP_MATH, GROUP_NUMBER_PROCESSING, GROUP_OTHER, GROUP_STRING_PROCESSING, GROUP_SYSTEM, GROUP_TYPE_CONVERSION, HAS_RESOLVER

Constructor Summary

Constructors

Constructor and Description

AbstractSingleValueCollectorFunction(org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic collector, java.lang.String name, java.lang.String category, java.lang.String parametersFootprint, java.lang.String returnValue, java.lang.String description) Note: If collector is null, developer should override collect(DataTable table, FieldFormat ff), otherwise current implementation will throw EvaluationException.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	collect(DataTable table, FieldFormat ff)
protected java.lang.Object	compare(java.lang.Number first, java.lang.Number second)
java.lang.Object	execute(Evaluator evaluator, EvaluationEnvironment environment, java.lang.Object... parameters)
protected double[]	toArray(DataTable table, FieldFormat ff)

Methods inherited from class com.tibbo.aggregate.common.expression.function.AbstractFunction

checkAndGetNumericTypeField, checkNumericTypeField, checkParameters, checkParameterType, executeAttributed, executeTasks, getCategory, getDescription, getName, getParametersFootprint, getReturnValue, resolveContext, resolveContext

Methods inherited from class java.lang.Object

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

Field Detail

collector

protected final org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic collector

Constructor Detail

AbstractSingleValueCollectorFunction

public AbstractSingleValueCollectorFunction(@Nullable
                                            org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic collector,
                                            java.lang.String name,
                                            java.lang.String category,
                                            java.lang.String parametersFootprint,
                                            java.lang.String returnValue,
                                            java.lang.String description)

Note: If collector is null, developer should override collect(DataTable table, FieldFormat ff), otherwise current implementation will throw EvaluationException.

See Also:

ModeFunction

Method Detail

compare

protected java.lang.Object compare(java.lang.Number first,
                                   java.lang.Number second)

execute

public java.lang.Object execute(Evaluator evaluator,
                                EvaluationEnvironment environment,
                                java.lang.Object... parameters)
                         throws EvaluationException

Throws:

EvaluationException

collect

protected java.lang.Object collect(DataTable table,
                                   FieldFormat ff)
                            throws EvaluationException

Throws:

EvaluationException

toArray

protected double[] toArray(DataTable table,
                           FieldFormat ff)