Package org.apache.druid.segment.indexing

Class DataSchema

java.lang.Object

org.apache.druid.segment.indexing.DataSchema

Direct Known Subclasses:

CombinedDataSchema

public class DataSchema
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DataSchema.Builder

Constructor Summary

Constructors

Constructor	Description
DataSchema(String dataSource, TimestampSpec timestampSpec, DimensionsSpec dimensionsSpec, AggregatorFactory[] aggregators, GranularitySpec granularitySpec, TransformSpec transformSpec, List<AggregateProjectionSpec> projections, Map<String,Object> parserMap, com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Summary

Modifier and Type	Method	Description
static DataSchema.Builder	builder()
static DataSchema.Builder	builder(DataSchema schema)
AggregatorFactory[]	getAggregators()
String	getDataSource()
DimensionsSpec	getDimensionsSpec()
GranularitySpec	getGranularitySpec()
InputRowParser	getParser()
Map<String,Object>	getParserMap()	Deprecated.
List<String>	getProjectionNames()
List<AggregateProjectionSpec>	getProjections()
TimestampSpec	getTimestampSpec()
TransformSpec	getTransformSpec()
String	toString()
static void	validateProjections(List<AggregateProjectionSpec> projections, Granularity segmentGranularity)
DataSchema	withDimensionsSpec(DimensionsSpec dimensionsSpec)
DataSchema	withGranularitySpec(GranularitySpec granularitySpec)
DataSchema	withTransformSpec(TransformSpec transformSpec)

Methods inherited from class java.lang.Object

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

Constructor Details

DataSchema

public DataSchema(String dataSource,
 @Nullable
 TimestampSpec timestampSpec,
 @Nullable
 DimensionsSpec dimensionsSpec,
 AggregatorFactory[] aggregators,
 GranularitySpec granularitySpec,
 TransformSpec transformSpec,
 @Nullable
 List<AggregateProjectionSpec> projections,
 @Deprecated @Nullable
 Map<String,Object> parserMap,
 com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Details

builder

public static DataSchema.Builder builder()

builder

public static DataSchema.Builder builder(DataSchema schema)

getDataSource

public String getDataSource()

getTimestampSpec

public TimestampSpec getTimestampSpec()

getDimensionsSpec

public DimensionsSpec getDimensionsSpec()

getAggregators

public AggregatorFactory[] getAggregators()

getGranularitySpec

public GranularitySpec getGranularitySpec()

getTransformSpec

public TransformSpec getTransformSpec()

getProjections

@Nullable
public List<AggregateProjectionSpec> getProjections()

getProjectionNames

@Nullable
public List<String> getProjectionNames()

getParserMap

@Deprecated
@Nullable
public Map<String,Object> getParserMap()

Deprecated.

getParser

@Nullable
public InputRowParser getParser()

withGranularitySpec

public DataSchema withGranularitySpec(GranularitySpec granularitySpec)

withTransformSpec

public DataSchema withTransformSpec(TransformSpec transformSpec)

withDimensionsSpec

public DataSchema withDimensionsSpec(DimensionsSpec dimensionsSpec)

toString

public String toString()

Overrides:

toString in class Object

validateProjections

public static void validateProjections(@Nullable
 List<AggregateProjectionSpec> projections,
 @Nullable
 Granularity segmentGranularity)