io.druid.segment.indexing.granularity

Interface GranularitySpec

All Known Implementing Classes:

ArbitraryGranularitySpec, UniformGranularitySpec

public interface GranularitySpec

Tells the indexer how to group events based on timestamp. The events may then be further partitioned based on anything, using a ShardSpec.

Method Summary

Methods

Modifier and Type	Method and Description
com.google.common.base.Optional<org.joda.time.Interval>	bucketInterval(org.joda.time.DateTime dt) Time-grouping interval corresponding to some instant, if any.
com.google.common.base.Optional<SortedSet<org.joda.time.Interval>>	bucketIntervals() Set of all time groups, broken up on segment boundaries.
QueryGranularity	getQueryGranularity()
com.metamx.common.Granularity	getSegmentGranularity()

Method Detail

bucketIntervals

com.google.common.base.Optional<SortedSet<org.joda.time.Interval>> bucketIntervals()

Set of all time groups, broken up on segment boundaries. Should be sorted by interval start and non-overlapping.

Returns:

set of all time groups

bucketInterval

com.google.common.base.Optional<org.joda.time.Interval> bucketInterval(org.joda.time.DateTime dt)

Time-grouping interval corresponding to some instant, if any.

Parameters:

dt - instant to return time interval for

Returns:

optional time interval

getSegmentGranularity

com.metamx.common.Granularity getSegmentGranularity()

getQueryGranularity

QueryGranularity getQueryGranularity()