com.yahoo.bard.webservice.data.config.metric.makers

Class CountMaker

java.lang.Object

com.yahoo.bard.webservice.data.config.metric.makers.MetricMaker

com.yahoo.bard.webservice.data.config.metric.makers.CountMaker

public class CountMaker
extends MetricMaker

Metric maker to count rows that match the filters.

Field Summary

Fields inherited from class com.yahoo.bard.webservice.data.config.metric.makers.MetricMaker

metrics, NO_OP_MAP_PROVIDER, NO_OP_MAPPER

Constructor Summary

Constructors

Constructor and Description
CountMaker(MetricDictionary metricDictionary) Constructor.

Method Summary

Modifier and Type	Method and Description
protected int	getDependentMetricsRequired() Get the number of dependent metrics the maker requires for making the metric.
protected LogicalMetric	makeInner(LogicalMetricInfo logicalMetricInfo, List<String> dependentMetrics) Delegated to for actually making the metric.

Methods inherited from class com.yahoo.bard.webservice.data.config.metric.makers.MetricMaker

assertDependentMetricsExist, assertRequiredDependentMetricCount, getDependentQuery, getMergedQuery, getNumericField, getNumericField, getSketchField, getSketchField, make, make, make, makeInner

Methods inherited from class java.lang.Object

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

Constructor Detail

CountMaker

public CountMaker(MetricDictionary metricDictionary)

Constructor.

Parameters:

metricDictionary - Dictionary from which to look up dependent metrics

Method Detail

makeInner

protected LogicalMetric makeInner(LogicalMetricInfo logicalMetricInfo,
                                  List<String> dependentMetrics)

Description copied from class: MetricMaker

Delegated to for actually making the metric.

Overrides:

makeInner in class MetricMaker

Parameters:

logicalMetricInfo - Logical metric info provider

dependentMetrics - Metrics this metric depends on

Returns:

the new logicalMetric

getDependentMetricsRequired

protected int getDependentMetricsRequired()

Description copied from class: MetricMaker

Get the number of dependent metrics the maker requires for making the metric.

Specified by:

getDependentMetricsRequired in class MetricMaker

Returns:

the number of dependent metrics the maker requires for making the metric