Module openj9.dtfjview

Package com.ibm.jvm.dtfjview

Class Session

java.lang.Object

com.ibm.jvm.dtfjview.Session

All Implemented Interfaces:

ISession

public class Session
extends Object
implements ISession

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LOGGER_PROPERTY
static String	prompt

Method Summary

Modifier and Type	Method	Description
void	execute(String line)	Executes the supplied command.
void	execute(String line, PrintStream redirector)	Execute a command line.
void	findAndSetContextWithJVM()	Convenience method which instructs the session to search through all the available contexts and set the current one to the first one it finds with a non-corrupt DTFJ JavaRuntime in it.
String	getCharset()
ISessionContextManager	getContextManager()	Get the manager which is managing this context within this session.
ICombinedContext	getCurrentContext()	The currently selected context against which commands will be executed.
static ISession	getInstance(String[] args)	Factory method for creating new sessions.
IOutputManager	getOutputManager()	The instance which is managing all registered output channels.
void	run()
void	setContext(int id)	Set the context within which subsequent commands will be executed.
void	setContext(ICombinedContext switchTo)	Set the context within which subsequent commands will be executed.
void	showContexts(boolean shortFormat)	Display the contexts which are present in the core file currently being analysed.

Methods declared in class java.lang.Object

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

Field Details

LOGGER_PROPERTY

public static final String LOGGER_PROPERTY

See Also:

• Constant Field Values

prompt

public static String prompt

Method Details

getInstance

public static ISession getInstance(String[] args)

Factory method for creating new sessions.

Parameters:

args - any session arguments

Returns:

the session

getOutputManager

public IOutputManager getOutputManager()

Description copied from interface: ISession

The instance which is managing all registered output channels.

Specified by:

getOutputManager in interface ISession

Returns:

the manager

getCharset

public String getCharset()

getCurrentContext

public ICombinedContext getCurrentContext()

Description copied from interface: ISession

The currently selected context against which commands will be executed.

Specified by:

getCurrentContext in interface ISession

Returns:

the current context, it may or may not have DDR interactive support

getContextManager

public ISessionContextManager getContextManager()

Description copied from interface: ISession

Get the manager which is managing this context within this session.

Specified by:

getContextManager in interface ISession

Returns:

the context manager

setContext

public void setContext(int id)
                throws CommandException

Description copied from interface: ISession

Set the context within which subsequent commands will be executed.

Specified by:

setContext in interface ISession

Parameters:

id - context ID

Throws:

CommandException - thrown if an invalid context ID is specified

setContext

public void setContext(ICombinedContext switchTo)
                throws CommandException

Description copied from interface: ISession

Set the context within which subsequent commands will be executed.

Specified by:

setContext in interface ISession

Parameters:

switchTo - the context to switch to

Throws:

CommandException - thrown if the switch fails. The underlying reason will be in the logs.

showContexts

public void showContexts(boolean shortFormat)

Description copied from interface: ISession

Display the contexts which are present in the core file currently being analysed.

Specified by:

showContexts in interface ISession

Parameters:

shortFormat - true for short format which just displays the first line of the java -version string

findAndSetContextWithJVM

public void findAndSetContextWithJVM()

Description copied from interface: ISession

Convenience method which instructs the session to search through all the available contexts and set the current one to the first one it finds with a non-corrupt DTFJ JavaRuntime in it.

Specified by:

findAndSetContextWithJVM in interface ISession

run

public void run()

execute

public void execute(String line,
 PrintStream redirector)

Execute a command line.

Parameters:

line - The command line to be executed.

redirector - The PrintStream.

execute

public void execute(String line)

Description copied from interface: ISession

Executes the supplied command. Output will be written via the IOutputManager to all registered channels.

Specified by:

execute in interface ISession

Parameters:

line - the command and any parameters to execute.