org.eclipse.m2m.qvt.oml.debug.core
Class Trace

java.lang.Object
  org.eclipse.m2m.qvt.oml.debug.core.Trace

public class Trace
extends java.lang.Object

Field Summary

protected static java.lang.String	LABEL_NEW_VALUE Label indicating new value.
protected static java.lang.String	LABEL_OLD_VALUE Label indicating old value.
protected static java.lang.String	PARENTHESIS_CLOSE String containing a close parenthesis.
protected static java.lang.String	PARENTHESIS_OPEN String containing an open parenthesis.
protected static java.lang.String	PREFIX_CATCHING Prefix for tracing the catching of throwables.
protected static java.lang.String	PREFIX_CHANGING Prefix for tracing the changing of values.
protected static java.lang.String	PREFIX_ENTERING Prefix for tracing the entering of methods.
protected static java.lang.String	PREFIX_EXITING Prefix for tracing the exiting of methods.
protected static java.lang.String	PREFIX_THROWING Prefix for tracing the throwing of throwables.
protected static java.lang.String	SEPARATOR_METHOD Separator for methods.
protected static java.lang.String	SEPARATOR_PARAMETER Separator for parameters.
protected static java.lang.String	SEPARATOR_RETURN Separator for return values.
protected static java.lang.String	SEPARATOR_SPACE Separator containing a space.

Constructor Summary

protected

Trace()

Method Summary

void	catching(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Throwable throwable) Traces the catching of the specified throwable in the specified method of the specified class.
void	entering(java.lang.Class<?> clazz, java.lang.String methodName) Traces an entry into the specified method of the specified class.
void	entering(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object parameter) Traces an entry into the specified method of the specified class, with the specified parameter.
void	entering(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object[] parameters) Traces an entry into the specified method of the specified class, with the specified parameters.
void	entering(java.lang.String option, java.lang.Class<?> clazz, java.lang.String methodName) Traces an entry into the specified method of the specified class.
void	entering(java.lang.String option, java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object parameter) Traces an entry into the specified method of the specified class, with the specified parameter.
void	entering(java.lang.String option, java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object[] parameters) Traces an entry into the specified method of the specified class, with the specified parameters.
void	exiting(java.lang.Class<?> clazz, java.lang.String methodName) Traces an exit from the specified method of the specified class.
void	exiting(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object returnValue) Traces an exit from the specified method of the specified class, with the specified return value.
void	exiting(java.lang.String option, java.lang.Class<?> clazz, java.lang.String methodName) Traces an exit from the specified method of the specified class.
void	exiting(java.lang.String option, java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Object returnValue) Traces an exit from the specified method of the specified class, with the specified return value.
boolean	shouldTrace(java.lang.String option) Queries whether tracing is enabled for the specified debug option of this plug-in.
boolean	shouldTraceCatching() Queries whether exception catch tracing is enabled.
boolean	shouldTraceEntering() Queries whether method entry tracing is enabled.
boolean	shouldTraceEntering(java.lang.String option) Queries whether method entry tracing is enabled for the specified debug option.
boolean	shouldTraceExiting() Queries whether method exit tracing is enabled.
boolean	shouldTraceExiting(java.lang.String option) Queries whether method exit tracing is enabled for the specified debug option.
boolean	shouldTraceThrowing() Queries whether exception throw tracing is enabled.
protected void	start(Plugin plugin)
protected void	stop()
void	throwing(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Throwable throwable) Traces the throwing of the specified throwable from the specified method of the specified class.
static java.lang.String	toString(java.lang.Object[] array) Converts an array of objects to a string for trace output.
void	trace(java.lang.String message) Traces the specified message from this plug-in.
void	trace(java.lang.String option, java.lang.String message) Traces the specified message from this plug-in for the specified debug option.

Methods inherited from class java.lang.Object

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

Field Detail

PARENTHESIS_OPEN

protected static final java.lang.String PARENTHESIS_OPEN

String containing an open parenthesis.

See Also:

Constant Field Values

PARENTHESIS_CLOSE

protected static final java.lang.String PARENTHESIS_CLOSE

String containing a close parenthesis.

See Also:

Constant Field Values

PREFIX_CHANGING

protected static final java.lang.String PREFIX_CHANGING

Prefix for tracing the changing of values.

See Also:

Constant Field Values

PREFIX_CATCHING

protected static final java.lang.String PREFIX_CATCHING

Prefix for tracing the catching of throwables.

See Also:

Constant Field Values

PREFIX_THROWING

protected static final java.lang.String PREFIX_THROWING

Prefix for tracing the throwing of throwables.

See Also:

Constant Field Values

PREFIX_ENTERING

protected static final java.lang.String PREFIX_ENTERING

Prefix for tracing the entering of methods.

See Also:

Constant Field Values

PREFIX_EXITING

protected static final java.lang.String PREFIX_EXITING

Prefix for tracing the exiting of methods.

See Also:

Constant Field Values

SEPARATOR_METHOD

protected static final java.lang.String SEPARATOR_METHOD

Separator for methods.

See Also:

Constant Field Values

SEPARATOR_PARAMETER

protected static final java.lang.String SEPARATOR_PARAMETER

Separator for parameters.

See Also:

Constant Field Values

SEPARATOR_RETURN

protected static final java.lang.String SEPARATOR_RETURN

Separator for return values.

See Also:

Constant Field Values

SEPARATOR_SPACE

protected static final java.lang.String SEPARATOR_SPACE

Separator containing a space.

See Also:

Constant Field Values

LABEL_OLD_VALUE

protected static final java.lang.String LABEL_OLD_VALUE

Label indicating old value.

See Also:

Constant Field Values

LABEL_NEW_VALUE

protected static final java.lang.String LABEL_NEW_VALUE

Label indicating new value.

See Also:

Constant Field Values

Constructor Detail

Trace

protected Trace()

Method Detail

start

protected void start(Plugin plugin)

stop

protected void stop()

shouldTraceEntering

public boolean shouldTraceEntering()

Queries whether method entry tracing is enabled.

Returns:

whether method entry tracing is enabled

shouldTraceEntering

public boolean shouldTraceEntering(java.lang.String option)

Queries whether method entry tracing is enabled for the specified debug option.

Parameters:

option - the debug option to test

Returns:

whether method entry tracing is enabled for the option

shouldTraceExiting

public boolean shouldTraceExiting()

Queries whether method exit tracing is enabled.

Returns:

whether method exit tracing is enabled

shouldTraceExiting

public boolean shouldTraceExiting(java.lang.String option)

Queries whether method exit tracing is enabled for the specified debug option.

Parameters:

option - the debug option to test

Returns:

whether method exit tracing is enabled for the option

shouldTraceCatching

public boolean shouldTraceCatching()

Queries whether exception catch tracing is enabled.

Returns:

whether exception catch tracing is enabled

shouldTraceThrowing

public boolean shouldTraceThrowing()

Queries whether exception throw tracing is enabled.

Returns:

whether exception throw tracing is enabled

shouldTrace

public boolean shouldTrace(java.lang.String option)

Queries whether tracing is enabled for the specified debug option of this plug-in.

Parameters:

option - The debug option for which to determine trace enablement.

Returns:

Whether tracing is enabled for the debug option of the plug-in.

trace

public void trace(java.lang.String message)

Traces the specified message from this plug-in.

Parameters:

message - The message to be traced.

trace

public void trace(java.lang.String option,
                  java.lang.String message)

Traces the specified message from this plug-in for the specified debug option.

Parameters:

option - The debug option for which to trace.

message - The message to be traced.

entering

public void entering(java.lang.Class<?> clazz,
                     java.lang.String methodName)

Traces an entry into the specified method of the specified class.

Parameters:

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

entering

public void entering(java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Object parameter)

Traces an entry into the specified method of the specified class, with the specified parameter.

Parameters:

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameter - The parameter to the method being entered.

entering

public void entering(java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Object[] parameters)

Traces an entry into the specified method of the specified class, with the specified parameters.

Parameters:

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameters - The parameters to the method being entered.

entering

public void entering(java.lang.String option,
                     java.lang.Class<?> clazz,
                     java.lang.String methodName)

Traces an entry into the specified method of the specified class.

Parameters:

option - only trace entering if this option is enabled (in addition to the generic method-entry option)

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

entering

public void entering(java.lang.String option,
                     java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Object parameter)

Traces an entry into the specified method of the specified class, with the specified parameter.

Parameters:

option - only trace entering if this option is enabled (in addition to the generic method-entry option)

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameter - The parameter to the method being entered.

entering

public void entering(java.lang.String option,
                     java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Object[] parameters)

Traces an entry into the specified method of the specified class, with the specified parameters.

Parameters:

option - only trace entering if this option is enabled (in addition to the generic method-entry option)

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameters - The parameters to the method being entered.

exiting

public void exiting(java.lang.Class<?> clazz,
                    java.lang.String methodName)

Traces an exit from the specified method of the specified class.

Parameters:

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

exiting

public void exiting(java.lang.Class<?> clazz,
                    java.lang.String methodName,
                    java.lang.Object returnValue)

Traces an exit from the specified method of the specified class, with the specified return value.

Parameters:

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

returnValue - The return value of the method being exited.

exiting

public void exiting(java.lang.String option,
                    java.lang.Class<?> clazz,
                    java.lang.String methodName)

Traces an exit from the specified method of the specified class.

Parameters:

option - only trace entering if this option is enabled (in addition to the generic method-exit option)

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

exiting

public void exiting(java.lang.String option,
                    java.lang.Class<?> clazz,
                    java.lang.String methodName,
                    java.lang.Object returnValue)

Traces an exit from the specified method of the specified class, with the specified return value.

Parameters:

option - only trace entering if this option is enabled (in addition to the generic method-exit option)

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

returnValue - The return value of the method being exited.

catching

public void catching(java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Throwable throwable)

Traces the catching of the specified throwable in the specified method of the specified class.

Parameters:

clazz - The class in which the throwable is being caught.

methodName - The name of the method in which the throwable is being caught.

throwable - The throwable that is being caught.

throwing

public void throwing(java.lang.Class<?> clazz,
                     java.lang.String methodName,
                     java.lang.Throwable throwable)

Traces the throwing of the specified throwable from the specified method of the specified class.

Parameters:

clazz - The class from which the throwable is being thrown.

methodName - The name of the method from which the throwable is being thrown.

throwable - The throwable that is being thrown.

toString

public static java.lang.String toString(java.lang.Object[] array)

Converts an array of objects to a string for trace output.

Parameters:

array - the array to convert to a string

Returns:

the string