org.jikesrvm.jni

Class FunctionTable

java.lang.Object

org.jikesrvm.jni.FunctionTable

All Implemented Interfaces:

RuntimeTable<CodeArray>

public final class FunctionTable
extends Object
implements RuntimeTable<CodeArray>

This class holds a JNI function 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	FunctionTable(int size) Private constructor.

Method Summary

Modifier and Type	Method and Description
static FunctionTable	allocate(int size) Create a new ITable of the specified size.
CodeArray	get(int index) Get an ITable entry.
CodeArray[]	getBacking() Only called at boot image write time.
int	length() Return the length of the ITable
void	set(int index, CodeArray value) Set an ITable entry.

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

FunctionTable

private FunctionTable(int size)

Private constructor. Can not create instances.

Parameters:

size - size of the function table

Method Detail

allocate

public static FunctionTable allocate(int size)

Create a new ITable of the specified size.

Parameters:

size - The size of the ITable

Returns:

The created ITable instance.

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

get

public CodeArray get(int index)

Get an ITable entry.

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)

Set an ITable entry.

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()

Return the length of the ITable

Specified by:

length in interface RuntimeTable<CodeArray>

Returns:

length of table