ByteArrayDataType

java.lang.Object

org.h2.mvstore.type.BasicDataType<byte[]>

org.h2.mvstore.type.ByteArrayDataType

All Implemented Interfaces:: Comparator<byte[]>, DataType<byte[]>

public final class ByteArrayDataType extends BasicDataType<byte[]>

Class ByteArrayDataType.

Field Summary

Fields

Modifier and Type

Field

Description

static final ByteArrayDataType

INSTANCE
Method Summary

Modifier and Type

Method

Description

byte[][]

createStorage(int size)

Create storage object of array type to hold values

int

getMemory(byte[] data)

Calculates the amount of used memory in bytes.

byte[]

read(ByteBuffer buff)

Read an object.

void

write(WriteBuffer buff, byte[] data)

Write an object.

Methods inherited from class org.h2.mvstore.type.BasicDataType
binarySearch, cast, compare, equals, hashCode, isMemoryEstimationAllowed, read, write

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

Methods inherited from interface java.util.Comparator
reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details
- INSTANCE
  
  public static final ByteArrayDataType INSTANCE
Method Details
- getMemory
  
  public int getMemory(byte[] data)
  
  Description copied from interface: DataType
  
  Calculates the amount of used memory in bytes.
  
  Specified by:
  
  getMemory in interface DataType<byte[]>
  
  Specified by:
  
  getMemory in class BasicDataType<byte[]>
  
  Parameters:
  
  data - the object
  
  Returns:
  
  the used memory
- write
  
  public void write(WriteBuffer buff, byte[] data)
  
  Description copied from interface: DataType
  
  Write an object.
  
  Specified by:
  
  write in interface DataType<byte[]>
  
  Specified by:
  
  write in class BasicDataType<byte[]>
  
  Parameters:
  
  buff - the target buffer
  
  data - the value
- read
  
  public byte[] read(ByteBuffer buff)
  
  Description copied from interface: DataType
  
  Read an object.
  
  Specified by:
  
  read in interface DataType<byte[]>
  
  Specified by:
  
  read in class BasicDataType<byte[]>
  
  Parameters:
  
  buff - the source buffer
  
  Returns:
  
  the object
- createStorage
  
  public byte[][] createStorage(int size)
  
  Description copied from interface: DataType
  
  Create storage object of array type to hold values
  
  Parameters:
  
  size - number of values to hold
  
  Returns:
  
  storage object