All Known Implementing Classes:

SegmentMetadataImpl
```
@Private
public interface SegmentMetadata
```
The SegmentMetadata class holds the segment level management information and data statistics.

Method Summary

Modifier and Type	Method	Description
`default Set<String>`	`getAllColumns()`
`default ColumnMetadata`	`getColumnMetadataFor(String column)`
`Map<String,ColumnMetadata>`	`getColumnMetadataMap()`
`String`	`getCrc()`
`String`	`getCreatorName()`
`Map<String,String>`	`getCustomMap()`
`String`	`getEndOffset()`
`long`	`getEndTime()`
`long`	`getIndexCreationTime()`
`File`	`getIndexDir()`
`long`	`getLastIndexedTimestamp()`	Return the last time a record was indexed in this segment.
`long`	`getLatestIngestionTimestamp()`	Return the latest ingestion timestamp associated with the records indexed in this segment.
`String`	`getName()`
`Schema`	`getSchema()`
`String`	`getStartOffset()`
`List<StarTreeV2Metadata>`	`getStarTreeV2MetadataList()`
`long`	`getStartTime()`
`String`	`getTableName()`	Deprecated.
`String`	`getTimeColumn()`
`org.joda.time.Duration`	`getTimeGranularity()`
`org.joda.time.Interval`	`getTimeInterval()`
`TimeUnit`	`getTimeUnit()`
`int`	`getTotalDocs()`
`SegmentVersion`	`getVersion()`
`default boolean`	`isMutableSegment()`
`void`	`removeColumn(String column)`	Removes a column from the segment metadata.
`com.fasterxml.jackson.databind.JsonNode`	`toJson(Set<String> columnFilter)`	Converts segment metadata to json.

- Method Detail
  - getTableName
```
@Deprecated
String getTableName()
```
    Deprecated.
    
    Returns the raw table name (without the type suffix).
  - getName
```
String getName()
```
  - getTimeColumn
```
String getTimeColumn()
```
  - getStartTime
```
long getStartTime()
```
  - getEndTime
```
long getEndTime()
```
  - getTimeUnit
```
TimeUnit getTimeUnit()
```
  - getTimeGranularity
```
org.joda.time.Duration getTimeGranularity()
```
  - getTimeInterval
```
org.joda.time.Interval getTimeInterval()
```
  - getCrc
```
String getCrc()
```
  - getVersion
```
SegmentVersion getVersion()
```
  - getSchema
```
Schema getSchema()
```
  - getTotalDocs
```
int getTotalDocs()
```
  - getIndexDir
```
File getIndexDir()
```
  - getCreatorName
```
@Nullable
String getCreatorName()
```
  - getIndexCreationTime
```
long getIndexCreationTime()
```
  - getLastIndexedTimestamp
```
long getLastIndexedTimestamp()
```
    Return the last time a record was indexed in this segment. Applicable for MutableSegments.
    
    Returns:
    
    time when the last record was indexed
  - getLatestIngestionTimestamp
```
long getLatestIngestionTimestamp()
```
    Return the latest ingestion timestamp associated with the records indexed in this segment. Applicable for MutableSegments.
    
    Returns:
    
    latest timestamp associated with indexed records Long.MIN_VALUE if the stream doesn't provide a timestamp
  - getStarTreeV2MetadataList
```
List<StarTreeV2Metadata> getStarTreeV2MetadataList()
```
  - getCustomMap
```
Map<String,String> getCustomMap()
```
  - getStartOffset
```
String getStartOffset()
```
  - getEndOffset
```
String getEndOffset()
```
  - getAllColumns
```
default Set<String> getAllColumns()
```
  - getColumnMetadataMap
```
Map<String,ColumnMetadata> getColumnMetadataMap()
```
  - getColumnMetadataFor
```
default ColumnMetadata getColumnMetadataFor(String column)
```
  - removeColumn
```
void removeColumn(String column)
```
    Removes a column from the segment metadata.
  - toJson
```
com.fasterxml.jackson.databind.JsonNode toJson(@Nullable
                                               Set<String> columnFilter)
```
    Converts segment metadata to json.
    
    Parameters:
    
    columnFilter - list only the columns in the set. Lists all the columns if the parameter value is null.
    
    Returns:
    
    json representation of segment metadata.
  - isMutableSegment
```
default boolean isMutableSegment()
```

Interface SegmentMetadata

Method Summary

Method Detail

getTableName

getName

getTimeColumn

getStartTime

getEndTime

getTimeUnit

getTimeGranularity

getTimeInterval

getCrc

getVersion

getSchema

getTotalDocs

getIndexDir

getCreatorName

getIndexCreationTime

getLastIndexedTimestamp

getLatestIngestionTimestamp

getStarTreeV2MetadataList

getCustomMap

getStartOffset

getEndOffset

getAllColumns

getColumnMetadataMap

getColumnMetadataFor

removeColumn

toJson

isMutableSegment