Package lumis.portal.bigdata.query

Class TermsAggregation

java.lang.Object

lumis.portal.bigdata.query.AbstractSubAggregationAwareAggregation

lumis.portal.bigdata.query.TermsAggregation

All Implemented Interfaces:

IAggregation, IFieldAwareAggregation, IMultiBucketAggregation, ISizeAwareAggregation, ISubAggregationAwareAggregation

@StableMinor(version="17.0",
             sinceVersion="9.0")
public class TermsAggregation
extends AbstractSubAggregationAwareAggregation
implements ISizeAwareAggregation, IFieldAwareAggregation

Aggregation that produces an ITermsAggregationResult. This aggregation splits the documents in the context in multiple buckets accordingly to their aggregated field value. This aggregation does not work with the following data types:

• DocumentTypeField.DataType.ATTACHMENT
• DocumentTypeField.DataType.FLAT_OBJECT
• DocumentTypeField.DataType.HTML
• DocumentTypeField.DataType.NESTED_OBJECT
• DocumentTypeField.DataType.GEO_POINT

Since:

9.0.0

Version:

$Revision$ $Date$

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	id

Constructor Summary

Constructors

Constructor	Description
TermsAggregation(java.lang.String id, DocumentTypeField field)	Creates a new instance.
TermsAggregation(java.lang.String id, DocumentTypeField field, java.lang.Integer size)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
DocumentTypeField	getField()	Returns the field this aggregation is bound to.
java.lang.String	getId()	Returns the aggregation identifier.
java.lang.Long	getMinimumDocumentCount()	Returns the minimum document count a value should have in order to produce a bucket in response
int	getSize()	Returns the number of buckets to be returned in aggregation.
TermsAggregation	setMinimunDocumentCount(java.lang.Long minimunDocumentCount)	Sets the minimum document count a value should have in order to produce a bucket in response.

Methods inherited from class lumis.portal.bigdata.query.AbstractSubAggregationAwareAggregation

addSubAggregation, addSubAggregations, addSubAggregations, getSubAggregations

Methods inherited from class java.lang.Object

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

Methods inherited from interface lumis.portal.bigdata.query.IAggregation

getId

Field Detail

id

protected final java.lang.String id

Constructor Detail

TermsAggregation

public TermsAggregation(java.lang.String id,
                        DocumentTypeField field)

Creates a new instance. Uses null as the size.

Parameters:

id - the aggregation identifier.

field - the field that aggregation will be performed on.

Since:

9.0.0

TermsAggregation

public TermsAggregation(java.lang.String id,
                        DocumentTypeField field,
                        java.lang.Integer size)

Creates a new instance.

Parameters:

id - the aggregation identifier.

field - the field that aggregation will be performed on.

size - the result size of this aggregation (maximum number of buckets). When not defined, 10 is assumed as default. When set to 0, it is assumed to be unlimited.

Since:

9.0.0

Method Detail

getField

public DocumentTypeField getField()

Description copied from interface: IFieldAwareAggregation

Returns the field this aggregation is bound to.

Specified by:

getField in interface IFieldAwareAggregation

Returns:

the field this aggregation is bound to.

getSize

public int getSize()

Description copied from interface: ISizeAwareAggregation

Returns the number of buckets to be returned in aggregation.

Specified by:

getSize in interface ISizeAwareAggregation

Returns:

the number of buckets to be returned in aggregation.

setMinimunDocumentCount

public TermsAggregation setMinimunDocumentCount(java.lang.Long minimunDocumentCount)

Sets the minimum document count a value should have in order to produce a bucket in response. Returns this aggregation for chaining commands.

Parameters:

minimunDocumentCount - the minimum document count.

Returns:

this aggregation.

Since:

11.2.0

getMinimumDocumentCount

public java.lang.Long getMinimumDocumentCount()

Returns the minimum document count a value should have in order to produce a bucket in response

Returns:

the minimum document count a value should have in order to produce a bucket in response

Since:

11.2.0

getId

public java.lang.String getId()

Description copied from interface: IAggregation

Returns the aggregation identifier.

Specified by:

getId in interface IAggregation

Returns:

the aggregation identifier.