io.druid.timeline

Class DataSegmentUtils

java.lang.Object

io.druid.timeline.DataSegmentUtils

public class DataSegmentUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataSegmentUtils.SegmentIdentifierParts

Constructor Summary

Constructors

Constructor and Description
DataSegmentUtils()

Method Summary

Modifier and Type	Method and Description
static com.google.common.base.Function<String,org.joda.time.Interval>	INTERVAL_EXTRACTOR(String datasource)
static DataSegmentUtils.SegmentIdentifierParts	valueOf(String dataSource, String identifier) Parses a segment identifier into its components: dataSource, interval, version, and any trailing tags.
static String	withInterval(String dataSource, String identifier, org.joda.time.Interval newInterval)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSegmentUtils

public DataSegmentUtils()

Method Detail

INTERVAL_EXTRACTOR

public static com.google.common.base.Function<String,org.joda.time.Interval> INTERVAL_EXTRACTOR(String datasource)

valueOf

public static DataSegmentUtils.SegmentIdentifierParts valueOf(String dataSource,
                                                              String identifier)

Parses a segment identifier into its components: dataSource, interval, version, and any trailing tags. Ignores shard spec. It is possible that this method may incorrectly parse an identifier, for example if the dataSource name in the identifier contains a DateTime parseable string such as 'datasource_2000-01-01T00:00:00.000Z' and dataSource was provided as 'datasource'. The desired behavior in this case would be to return null since the identifier does not actually belong to the provided dataSource but a non-null result would be returned. This is an edge case that would currently only affect paged select queries with a union dataSource of two similarly-named dataSources as in the given example.

Parameters:

dataSource - the dataSource corresponding to this identifier

identifier - segment identifier

Returns:

a DataSegmentUtils.SegmentIdentifierParts object if the identifier could be parsed, null otherwise

withInterval

public static String withInterval(String dataSource,
                                  String identifier,
                                  org.joda.time.Interval newInterval)