Class J9MemTagCommands

java.lang.Object

com.ibm.j9ddr.tools.ddrinteractive.Command

com.ibm.j9ddr.vm29.tools.ddrinteractive.commands.J9MemTagCommands

All Implemented Interfaces:

IEventListener, ICommand

public class J9MemTagCommands
extends Command
implements IEventListener

Nested Class Summary

Nested classes/interfaces declared in class Command

Command.CommandDescription

Modifier and Type	Class	Description
protected class	Command.CommandDescription

Field Summary

Fields

Modifier and Type	Field	Description
static final long	SEARCH_SLAB_SIZE

Fields declared in class Command

nl

Modifier and Type	Field	Description
protected static final String	nl

Constructor Summary

Constructors

Constructor	Description
J9MemTagCommands()

Method Summary

Modifier and Type	Method	Description
void	corruptData(String message, CorruptDataException e, boolean fatal)	CorruptData handler used with J9MemTagIterator
void	run(String command, String[] args, Context context, PrintStream out)	Executes the command

Methods declared in class Command

addCommand, addSubCommand, dbgFindPatternInRange, getCommandDescriptions, getCommandNames, printDetailedHelp, recognises

Modifier and Type	Method	Description
Command.CommandDescription	addCommand(String name, String argDescription, String helpDescription)
void	addSubCommand(Command.CommandDescription command, String name, String argDescription, String helpDescription)
protected long	dbgFindPatternInRange(Context context, byte[] pattern, int patternAlignment, long startSearchFrom, BigInteger bytesToSearch)
Collection<String>	getCommandDescriptions()
Set<String>	getCommandNames()
void	printDetailedHelp(PrintStream out)	This prints the detailed help for the command by listing all the names that this command can be invoked by and also any sub commands that have been defined.
boolean	recognises(String command, Context context)	Method used by the DDR Interactive engine to decide whether this command matches the command passed in by the user

Methods declared in class Object

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

Field Details

SEARCH_SLAB_SIZE

public static final long SEARCH_SLAB_SIZE

See Also:

• Constant Field Values

Constructor Details

J9MemTagCommands

public J9MemTagCommands()

Method Details

run

public void run(String command,
 String[] args,
 Context context,
 PrintStream out)
         throws DDRInteractiveCommandException

Description copied from interface: ICommand

Executes the command

Specified by:

run in interface ICommand

Parameters:

command - Command string e.g. !j9x

args - Arguments for command

context - Context to work in

out - PrintStream to write command output on

Throws:

DDRInteractiveCommandException - If there is any problem running the command (incorrect usage, CorruptData etc.)

corruptData

public void corruptData(String message,
 CorruptDataException e,
 boolean fatal)

CorruptData handler used with J9MemTagIterator

Specified by:

corruptData in interface IEventListener

Parameters:

message - text message related to the corrupt data exception

e - the corrupt data exception