org.apache.druid.segment.indexing.granularity

Class BaseGranularitySpec

java.lang.Object

org.apache.druid.segment.indexing.granularity.BaseGranularitySpec

All Implemented Interfaces:

GranularitySpec

Direct Known Subclasses:

ArbitraryGranularitySpec, UniformGranularitySpec

public abstract class BaseGranularitySpec
extends Object
implements GranularitySpec

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	BaseGranularitySpec.LookupIntervalBuckets This is a helper class to facilitate sharing the code for sortedBucketIntervals among the various GranularitySpec implementations.

Field Summary

Fields

Modifier and Type	Field and Description
static Granularity	DEFAULT_QUERY_GRANULARITY
static Boolean	DEFAULT_ROLLUP
static Granularity	DEFAULT_SEGMENT_GRANULARITY
protected List<org.joda.time.Interval>	inputIntervals
protected Boolean	rollup

Constructor Summary

Constructors

Constructor and Description
BaseGranularitySpec(List<org.joda.time.Interval> inputIntervals, Boolean rollup)

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	asMap(com.fasterxml.jackson.databind.ObjectMapper objectMapper)
com.google.common.base.Optional<org.joda.time.Interval>	bucketInterval(org.joda.time.DateTime dt) Time-grouping interval corresponding to some instant, if any.
protected abstract BaseGranularitySpec.LookupIntervalBuckets	getLookupTableBuckets()
List<org.joda.time.Interval>	inputIntervals() Returns user provided intervals as-is state.
boolean	isRollup()
TreeSet<org.joda.time.Interval>	materializedBucketIntervals() This is a helper method for areas of the code, not in the overlord, were for performance reasons might need the materialized set of bucket intervals

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.segment.indexing.granularity.GranularitySpec

getQueryGranularity, getSegmentGranularity, sortedBucketIntervals, withIntervals

Field Detail

DEFAULT_ROLLUP

public static final Boolean DEFAULT_ROLLUP

DEFAULT_SEGMENT_GRANULARITY

public static final Granularity DEFAULT_SEGMENT_GRANULARITY

DEFAULT_QUERY_GRANULARITY

public static final Granularity DEFAULT_QUERY_GRANULARITY

inputIntervals

protected final List<org.joda.time.Interval> inputIntervals

rollup

protected final Boolean rollup

Constructor Detail

BaseGranularitySpec

public BaseGranularitySpec(List<org.joda.time.Interval> inputIntervals,
                           Boolean rollup)

Method Detail

inputIntervals

public List<org.joda.time.Interval> inputIntervals()

Description copied from interface: GranularitySpec

Returns user provided intervals as-is state. used for configuring granular path spec

Specified by:

inputIntervals in interface GranularitySpec

Returns:

isRollup

public boolean isRollup()

Specified by:

isRollup in interface GranularitySpec

bucketInterval

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

Description copied from interface: GranularitySpec

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

Specified by:

bucketInterval in interface GranularitySpec

Parameters:

dt - instant to return time interval for

Returns:

optional time interval

materializedBucketIntervals

public TreeSet<org.joda.time.Interval> materializedBucketIntervals()

Description copied from interface: GranularitySpec

This is a helper method for areas of the code, not in the overlord, were for performance reasons might need the materialized set of bucket intervals

Specified by:

materializedBucketIntervals in interface GranularitySpec

Returns:

A fast lookup, ordered set, of the materialized bucket interval

getLookupTableBuckets

protected abstract BaseGranularitySpec.LookupIntervalBuckets getLookupTableBuckets()

asMap

public Map<String,Object> asMap(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Specified by:

asMap in interface GranularitySpec