Class SnapFormatCommand

java.lang.Object

com.ibm.j9ddr.tools.ddrinteractive.Command

com.ibm.j9ddr.tools.ddrinteractive.commands.SnapBaseCommand

com.ibm.j9ddr.tools.ddrinteractive.commands.SnapFormatCommand

All Implemented Interfaces:

ICommand

public class SnapFormatCommand
extends SnapBaseCommand

Nested Class Summary

Nested classes/interfaces declared in class Command

Command.CommandDescription

Modifier and Type	Class	Description
protected class	Command.CommandDescription

Field Summary

Fields declared in class Command

nl

Modifier and Type	Field	Description
protected static final String	nl

Constructor Summary

Constructors

Constructor	Description
SnapFormatCommand()

Method Summary

Modifier and Type	Method	Description
void	run(String command, String[] args, Context context, PrintStream out)	Options should be: -f outputFile -t vmthread -d .dat file path
protected void	writeBytesToTrace(Context context, long address, int bufferSize, PrintStream out)
protected void	writeHeaderBytesToTrace(Context context, byte[] headerBytes, PrintStream out)

Methods declared in class SnapBaseCommand

extractTraceData, getCStringAtAddress, getCStringAtAddress

Modifier and Type	Method	Description
protected void	extractTraceData(Context context, PrintStream out)	Used by subclasses to actually walk the trace data in the core.
String	getCStringAtAddress(IProcess process, long address)
String	getCStringAtAddress(IProcess process, long address, long maxLength)

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

Constructor Details

SnapFormatCommand

public SnapFormatCommand()

Method Details

run

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

Options should be: -f outputFile -t vmthread -d .dat file path

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.)

writeHeaderBytesToTrace

protected void writeHeaderBytesToTrace(Context context,
 byte[] headerBytes,
 PrintStream out)

writeBytesToTrace

protected void writeBytesToTrace(Context context,
 long address,
 int bufferSize,
 PrintStream out)