org.apache.solr.analytics.function

Class ExpressionCalculator

java.lang.Object

org.apache.solr.analytics.function.ExpressionCalculator

public class ExpressionCalculator
extends Object

A class used to generate results for a list of AnalyticsExpressions.

Constructor Summary

Constructors

Constructor and Description
ExpressionCalculator(Iterable<AnalyticsExpression> expressions)

Method Summary

Modifier and Type	Method and Description
void	addResults(Map<String,Object> response) Calculate results for the list of AnalyticsExpressions and add them to the given response.
Map<String,Object>	getResults() Calculate results for the list of AnalyticsExpressions.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionCalculator

public ExpressionCalculator(Iterable<AnalyticsExpression> expressions)

Method Detail

getResults

public Map<String,Object> getResults()

Calculate results for the list of AnalyticsExpressions.

NOTE: This method can, and is, called multiple times to generate different responses.
The results are determined by which ReductionCollectionManager.ReductionDataCollection is passed to the ReductionCollectionManager.setData(org.apache.solr.analytics.function.ReductionCollectionManager.ReductionDataCollection) method of the ReductionCollectionManager managing the reduction for the list of AnalyticsExpressions.

Returns:

a NamedList containing the results

addResults

public void addResults(Map<String,Object> response)

Calculate results for the list of AnalyticsExpressions and add them to the given response.

NOTE: This method can, and is, called multiple times to generate different responses.
The results are determined by which ReductionCollectionManager.ReductionDataCollection is passed to the ReductionCollectionManager.setData(org.apache.solr.analytics.function.ReductionCollectionManager.ReductionDataCollection) method of the ReductionCollectionManager managing the reduction for the list of AnalyticsExpressions.

Parameters:

response - the response to add the results map to.