io.druid.query.aggregation.histogram

Class BucketsPostAggregator

java.lang.Object

io.druid.query.aggregation.histogram.ApproximateHistogramPostAggregator

io.druid.query.aggregation.histogram.BucketsPostAggregator

All Implemented Interfaces:

io.druid.java.util.common.Cacheable, PostAggregator

public class BucketsPostAggregator
extends ApproximateHistogramPostAggregator

Field Summary

Fields inherited from class io.druid.query.aggregation.histogram.ApproximateHistogramPostAggregator

fieldName, name

Constructor Summary

Constructors

Constructor and Description
BucketsPostAggregator(String name, String fieldName, float bucketSize, float offset)

Method Summary

Modifier and Type	Method and Description
Object	compute(Map<String,Object> values)
PostAggregator	decorate(Map<String,AggregatorFactory> aggregators)
float	getBucketSize()
byte[]	getCacheKey()
Set<String>	getDependentFields()
float	getOffset()
String	toString()

Methods inherited from class io.druid.query.aggregation.histogram.ApproximateHistogramPostAggregator

getComparator, getFieldName, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

BucketsPostAggregator

public BucketsPostAggregator(String name,
                             String fieldName,
                             float bucketSize,
                             float offset)

Method Detail

getDependentFields

public Set<String> getDependentFields()

compute

public Object compute(Map<String,Object> values)

Specified by:

compute in interface PostAggregator

Specified by:

compute in class ApproximateHistogramPostAggregator

decorate

public PostAggregator decorate(Map<String,AggregatorFactory> aggregators)

getBucketSize

public float getBucketSize()

getOffset

public float getOffset()

toString

public String toString()

Specified by:

toString in class ApproximateHistogramPostAggregator

getCacheKey

public byte[] getCacheKey()