Class EmptyDTFJContext

java.lang.Object

com.ibm.java.diagnostics.utils.Context

com.ibm.java.diagnostics.utils.DTFJContext

com.ibm.java.diagnostics.utils.EmptyDTFJContext

All Implemented Interfaces:

IContext, IDTFJContext, PluginLoader

public class EmptyDTFJContext
extends DTFJContext

It is possible that if a core file is sufficiently corrupt, or that an invalid type of file is passed to jdmpview, then at least one context needs to be created so that the user can exit the tool

Field Summary

Fields declared in class Context

commands, globalCommands, lastException, lastExecutedCommand, loader, logger

Modifier and Type	Field	Description
protected final ArrayList<ICommand>	commands
protected final ArrayList<ICommand>	globalCommands
protected Exception	lastException
protected ICommand	lastExecutedCommand
protected PluginManager	loader
static final Logger	logger	Shared logger for all commands to write to

Constructor Summary

Constructors

Constructor	Description
EmptyDTFJContext(int major, int minor, Image image, ImageAddressSpace space, ImageProcess proc, JavaRuntime rt)

Method Summary

Methods declared in class DTFJContext

getAddressSpace, getImage, getMajorVersion, getMinorVersion, getPluginClassloader, getPluginFailures, getPlugins, getProcess, getProperties, getRuntime, hasPropertyBeenSet, loadPlugins, refresh

Modifier and Type	Method	Description
ImageAddressSpace	getAddressSpace()	The address space for this context.
DTFJImageBean	getImage()	A simple Java bean which allows access to the data on DTFJ image interface.
int	getMajorVersion()	The major version of the DTFJ API for this context.
int	getMinorVersion()	The minor version of the DTFJ API for this context.
PluginLoader	getPluginClassloader()	Gets the classloader which has been used to add plugins.
ArrayList<PluginConfig>	getPluginFailures()
ArrayList<PluginConfig>	getPlugins()
ImageProcess	getProcess()	The process for this context.
Properties	getProperties()	A set of defined properties.
JavaRuntime	getRuntime()	The Java runtime for this context.
boolean	hasPropertyBeenSet(String name)	Used to determine if a property has been set in the context property bag, and that the value of that property is TRUE
void	loadPlugins()
void	refresh()	Refresh this context.

Methods declared in class Context

addGlobalCommandsToContext, execute, execute, execute, getCommandNames, getCommands, getLastCommandException, getLastExecutedCommand, getPluginManager, isCommandRecognised

Modifier and Type	Method	Description
protected void	addGlobalCommandsToContext()	This adds the list of global commands which are applicable for any context to this specific context instance
void	execute(CommandParser commandParser, PrintStream out)	Execute the entered command line with the output sent to the supplied print stream.
void	execute(String line, PrintStream out)	Execute the entered command line with the output sent to the supplied print stream.
void	execute(String command, String[] arguments, PrintStream out)	Execute the entered command line with the output sent to the supplied print stream.
Vector<String>	getCommandNames()	List of all the command names that are available within this context
List<ICommand>	getCommands()	Returns a list of commands which are available for this context
Exception	getLastCommandException()	Provides access to any uncaught exceptions thrown when the last command was executed.
ICommand	getLastExecutedCommand()	The last command which was successfully executed by the context.
PluginManager	getPluginManager()
boolean	isCommandRecognised(String command)	Allows to check if the given command will be executed (i.e. if there is a command that will accept the string) without actually executing it, avoiding error messages etc.

Methods declared in class Object

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

Constructor Details

EmptyDTFJContext

public EmptyDTFJContext(int major,
 int minor,
 Image image,
 ImageAddressSpace space,
 ImageProcess proc,
 JavaRuntime rt)