Package org.apache.pinot.segment.spi.creator.name

Class SimpleSegmentNameGenerator

java.lang.Object

org.apache.pinot.segment.spi.creator.name.SimpleSegmentNameGenerator

All Implemented Interfaces:

Serializable, SegmentNameGenerator

public class SimpleSegmentNameGenerator
extends Object
implements SegmentNameGenerator

Simple segment name generator which does not perform time conversion.

The segment name is simply joining the following fields with '_' but ignoring all the nulls.

• Table name
• Minimum time value
• Maximum time value
• Segment name postfix
• Sequence id

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.pinot.segment.spi.creator.name.SegmentNameGenerator

JOINER

Constructor Summary

Constructors

Constructor	Description
SimpleSegmentNameGenerator(String segmentNamePrefix, String segmentNamePostfix)
SimpleSegmentNameGenerator(String segmentNamePrefix, String segmentNamePostfix, boolean appendUUIDToSegmentName)

Method Summary

Modifier and Type	Method	Description
String	generateSegmentName(int sequenceId, Object minTimeValue, Object maxTimeValue)	Generates the segment name.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleSegmentNameGenerator

public SimpleSegmentNameGenerator(String segmentNamePrefix,
                                  @Nullable
                                  String segmentNamePostfix)

SimpleSegmentNameGenerator

public SimpleSegmentNameGenerator(String segmentNamePrefix,
                                  @Nullable
                                  String segmentNamePostfix,
                                  boolean appendUUIDToSegmentName)

Method Detail

generateSegmentName

public String generateSegmentName(int sequenceId,
                                  @Nullable
                                  Object minTimeValue,
                                  @Nullable
                                  Object maxTimeValue)

Description copied from interface: SegmentNameGenerator

Generates the segment name.

Specified by:

generateSegmentName in interface SegmentNameGenerator

Parameters:

sequenceId - Segment sequence id (negative value means INVALID)

minTimeValue - Minimum time value

maxTimeValue - Maximum time value

Returns:

Segment name generated

toString

public String toString()

Overrides:

toString in class Object