BinaryStoreV2HeaderInfo.ColumnInfo

java.lang.Object

com.illumon.iris.binarystore.BinaryStoreV2HeaderInfo.ColumnInfo

Enclosing class:: BinaryStoreV2HeaderInfo

public static final class BinaryStoreV2HeaderInfo.ColumnInfo
extends Object

Per-column information extracted from a binary store header.

Field Summary

Fields
Modifier and Type	Field	Description
`Object`	`constantValue`	The column's constant value, which may be `null`.
`Object`	`metadata`	The binary store column type metadata.
`String`	`name`	The binary store column name.
`static int`	`NULL_PRESENCE_BITMAP_INDEX`	Marker/null presence bitmap index that indicates a constant column.
`int`	`presenceBitmapIndex`	The column's index in present bitmaps.
`SupportedType`	`supportedType`	The binary store column supported type.

Method Summary

Modifier and Type Method Description

boolean equals(Object o)

int hashCode()

boolean isConstant()
Check if this column is constant.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details
- NULL_PRESENCE_BITMAP_INDEX
  
  public static final int NULL_PRESENCE_BITMAP_INDEX
  
  Marker/null presence bitmap index that indicates a constant column.
  
  See Also:
  
  Constant Field Values
- name
  
  public final String name
  
  The binary store column name.
- supportedType
  
  public final SupportedType supportedType
  
  The binary store column supported type.
- metadata
  
  public final Object metadata
  
  The binary store column type metadata.
- presenceBitmapIndex
  
  public final int presenceBitmapIndex
  
  The column's index in present bitmaps. Invalid for constant columns (see isConstant())
- constantValue
  
  public final Object constantValue
  
  The column's constant value, which may be null. Invalid for variable columns (see isConstant()).
Method Details
- isConstant
  
  public final boolean isConstant()
  
  Check if this column is constant.
  
  Returns:
  
  Whether this column is constant
- equals
  
  public boolean equals(Object o)
  
  Overrides:
  
  equals in class Object
- hashCode
  
  public int hashCode()
  
  Overrides:
  
  hashCode in class Object