org.jikesrvm.classloader

Class Atom.InternedStrings

java.lang.Object

org.jikesrvm.classloader.Atom.InternedStrings

Enclosing class:

Atom

private static class Atom.InternedStrings
extends Object

Inner class responsible for string interning. This class' initializer is run during booting.

Field Summary

Fields

Modifier and Type	Field and Description
private static WeakHashMap<String,WeakReference<String>>	internedStrings Look up for interned strings.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	InternedStrings()

Method Summary

Modifier and Type	Method and Description
(package private) static String	findAtomString(String str) Find a string literal from an atom
(package private) static String	findInternedString(String str) Find an interned string but don't create it if not found
(package private) static String	internUnfoundString(String str) Intern a string that is not an atom or already interned string

Methods inherited from class java.lang.Object

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

Field Detail

internedStrings

private static final WeakHashMap<String,WeakReference<String>> internedStrings

Look up for interned strings.

Constructor Detail

InternedStrings

private InternedStrings()

Method Detail

findInternedString

static String findInternedString(String str)

Find an interned string but don't create it if not found

Parameters:

str - string to lookup

Returns:

the interned string or null if it isn't interned

findAtomString

static String findAtomString(String str)

Find a string literal from an atom

Parameters:

str - string to find

Returns:

the string literal or null

internUnfoundString

static String internUnfoundString(String str)

Intern a string that is not an atom or already interned string

Parameters:

str - string to intern

Returns:

interned string