org.mmtk.vm

Class Strings

java.lang.Object

org.mmtk.vm.Strings

Direct Known Subclasses:

Strings

public abstract class Strings
extends Object

Constructor Summary

Constructors

Constructor and Description
Strings()

Method Summary

Modifier and Type	Method and Description
abstract int	copyStringToChars(String src, char[] dst, int dstBegin, int dstEnd) Copies characters from the string into the character array.
abstract void	write(char[] c, int len) Log a message.
abstract void	writeThreadId(char[] c, int len) Log a thread identifier and a message.

Methods inherited from class java.lang.Object

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

Constructor Detail

Strings

public Strings()

Method Detail

write

public abstract void write(char[] c,
                           int len)

Log a message.

Parameters:

c - character array with message starting at index 0

len - number of characters in message

writeThreadId

public abstract void writeThreadId(char[] c,
                                   int len)

Log a thread identifier and a message.

Parameters:

c - character array with message starting at index 0

len - number of characters in message

copyStringToChars

public abstract int copyStringToChars(String src,
                                      char[] dst,
                                      int dstBegin,
                                      int dstEnd)

Copies characters from the string into the character array. Thread switching is disabled during this method's execution.

TODO: There are special memory management semantics here that someone should document.

Parameters:

src - the source string

dst - the destination array

dstBegin - the start offset in the destination array

dstEnd - the index after the last character in the destination to copy to

Returns:

the number of characters copied.