com.netflix.spectator.atlas.impl

Class DataExpr.GroupBy

java.lang.Object

com.netflix.spectator.atlas.impl.DataExpr.GroupBy

All Implemented Interfaces:

DataExpr

Enclosing interface:

DataExpr

public static final class DataExpr.GroupBy
extends java.lang.Object
implements DataExpr

Compute a set of time series matching the query and grouped by the specified keys. See also: https://github.com/Netflix/atlas/wiki/data-by

Nested Class Summary

Nested classes/interfaces inherited from interface com.netflix.spectator.atlas.impl.DataExpr

DataExpr.AggregateFunction, DataExpr.Aggregator, DataExpr.All, DataExpr.Count, DataExpr.DropRollup, DataExpr.GroupBy, DataExpr.KeepRollup, DataExpr.Max, DataExpr.Min, DataExpr.Sum

Method Summary

Modifier and Type	Method and Description
DataExpr.Aggregator	aggregator(java.util.Map<java.lang.String,java.lang.String> queryTags) Get an aggregator that can be incrementally fed values.
boolean	equals(java.lang.Object obj)
int	hashCode()
Query	query() Query for selecting the input measurements that should be aggregated.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.netflix.spectator.atlas.impl.DataExpr

aggregator, eval

Method Detail

query

public Query query()

Description copied from interface: DataExpr

Query for selecting the input measurements that should be aggregated.

Specified by:

query in interface DataExpr

aggregator

public DataExpr.Aggregator aggregator(java.util.Map<java.lang.String,java.lang.String> queryTags)

Description copied from interface: DataExpr

Get an aggregator that can be incrementally fed values. See DataExpr.eval(Iterable) if you already have the completed list of values.

Specified by:

aggregator in interface DataExpr

Parameters:

queryTags - The set of tags for the final aggregate.

Returns:

Aggregator for this data expression.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object