Package org.elasticsearch.search.aggregations.pipeline

Class PipelineAggregator

java.lang.Object

org.elasticsearch.search.aggregations.pipeline.PipelineAggregator

All Implemented Interfaces:

NamedWriteable, Writeable

Direct Known Subclasses:

BucketScriptPipelineAggregator, BucketSelectorPipelineAggregator, BucketSortPipelineAggregator, CumulativeSumPipelineAggregator, DerivativePipelineAggregator, MovAvgPipelineAggregator, MovFnPipelineAggregator, SerialDiffPipelineAggregator, SiblingPipelineAggregator

public abstract class PipelineAggregator
extends Object
implements NamedWriteable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PipelineAggregator.Parser	Parse the PipelineAggregationBuilder from a XContentParser.

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PipelineAggregator(String name, String[] bucketsPaths, Map<String,Object> metaData)
protected	PipelineAggregator(StreamInput in)	Read from a stream.

Method Summary

Modifier and Type	Method	Description
String[]	bucketsPaths()
protected abstract void	doWriteTo(StreamOutput out)
Map<String,Object>	metaData()
String	name()
abstract InternalAggregation	reduce(InternalAggregation aggregation, InternalAggregation.ReduceContext reduceContext)
void	writeTo(StreamOutput out)	Write this into the StreamOutput.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.io.stream.NamedWriteable

getWriteableName

Constructor Detail

PipelineAggregator

protected PipelineAggregator(String name,
                             String[] bucketsPaths,
                             Map<String,Object> metaData)

PipelineAggregator

protected PipelineAggregator(StreamInput in)
                      throws IOException

Read from a stream.

Throws:

IOException

Method Detail

writeTo

public final void writeTo(StreamOutput out)
                   throws IOException

Description copied from interface: Writeable

Write this into the StreamOutput.

Specified by:

writeTo in interface Writeable

Throws:

IOException

doWriteTo

protected abstract void doWriteTo(StreamOutput out)
                           throws IOException

Throws:

IOException

name

public String name()

bucketsPaths

public String[] bucketsPaths()

metaData

public Map<String,Object> metaData()

reduce

public abstract InternalAggregation reduce(InternalAggregation aggregation,
                                           InternalAggregation.ReduceContext reduceContext)