org.jikesrvm.objectmodel

Class IMT

java.lang.Object

org.jikesrvm.objectmodel.IMT

All Implemented Interfaces:

RuntimeTable<CodeArray>

public final class IMT
extends Object
implements RuntimeTable<CodeArray>

This class represents an instance of an interface method table, at runtime it is an array with CodeArray elements.

Field Summary

Fields

Modifier and Type	Field and Description
private CodeArray[]	data The backing data used during boot image writing.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	IMT() Private constructor.

Method Summary

Modifier and Type	Method and Description
static IMT	allocate() Creates an IMT.
CodeArray	get(int index) Gets an entry in the IMT.
CodeArray[]	getBacking() Only called at boot image write time.
int	length() Returns the length of the IMT
void	set(int index, CodeArray value) Sets an entry in the IMT.

Methods inherited from class java.lang.Object

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

Field Detail

data

private final CodeArray[] data

The backing data used during boot image writing.

Constructor Detail

IMT

private IMT()

Private constructor. Can not create instances.

Method Detail

getBacking

public CodeArray[] getBacking()

Description copied from interface: RuntimeTable

Only called at boot image write time. This returns the backing array to the boot image writer.

Specified by:

getBacking in interface RuntimeTable<CodeArray>

Returns:

backing array of elements

allocate

public static IMT allocate()

Creates an IMT.

Returns:

The created IMT instance.

get

public CodeArray get(int index)

Gets an entry in the IMT.

Specified by:

get in interface RuntimeTable<CodeArray>

Parameters:

index - The index of the entry to get

Returns:

The value of that entry

set

public void set(int index,
                CodeArray value)

Sets an entry in the IMT.

Specified by:

set in interface RuntimeTable<CodeArray>

Parameters:

index - The index of the entry to set

value - The value to set the entry to.

length

public int length()

Returns the length of the IMT

Specified by:

length in interface RuntimeTable<CodeArray>

Returns:

length of table