TableInfo

java.lang.Object

com.illumon.iris.db.v2.locations.parquet.metadata.TableInfo

public abstract class TableInfo
extends Object

Representation class for per-table information stored in key-value metadata for Deephaven-written Parquet files.

Nested Class Summary

Nested Classes

Modifier and Type Class Description

static interface TableInfo.Builder
Constructor Summary

Constructors

Constructor Description

TableInfo()

Method Summary

Modifier and Type	Method	Description
`static TableInfo.Builder`	`builder()`
`Map<String,ColumnTypeInfo>`	`columnTypeMap()`
`abstract List<ColumnTypeInfo>`	`columnTypes()`
`static TableInfo`	`deserializeFromJSON(String tableInfoRaw)`
`Map<String,GroupingColumnInfo>`	`groupingColumnMap()`
`Set<String>`	`groupingColumnNames()`
`abstract List<GroupingColumnInfo>`	`groupingColumns()`
`String`	`serializeToJSON()`
`String`	`version()`

Methods inherited from class java.lang.Object

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

Constructor Details
- TableInfo
  
  public TableInfo()
Method Details
- serializeToJSON
  
  public final String serializeToJSON() throws io.deephaven.shadow.jackson.com.fasterxml.jackson.core.JsonProcessingException
  
  Throws:
  
  io.deephaven.shadow.jackson.com.fasterxml.jackson.core.JsonProcessingException
- deserializeFromJSON
  
  public static TableInfo deserializeFromJSON(@NotNull String tableInfoRaw) throws io.deephaven.shadow.jackson.com.fasterxml.jackson.core.JsonProcessingException
  
  Throws:
  
  io.deephaven.shadow.jackson.com.fasterxml.jackson.core.JsonProcessingException
- groupingColumnNames
  
  public final Set<String> groupingColumnNames()
- groupingColumnMap
  
  public final Map<String,GroupingColumnInfo> groupingColumnMap()
- columnTypeMap
  
  public final Map<String,ColumnTypeInfo> columnTypeMap()
- version
  
  public String version()
  
  Returns:
  
  The Deephaven release version when this metadata format was defined
- groupingColumns
  
  public abstract List<GroupingColumnInfo> groupingColumns()
  
  Returns:
  
  List of grouping columns for columns with grouped data
- columnTypes
  
  public abstract List<ColumnTypeInfo> columnTypes()
  
  Returns:
  
  List of column types for columns requiring non-default deserialization or type selection
- builder
  
  public static TableInfo.Builder builder()