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org.eclipse.emf.transaction.internal
Class Tracing

java.lang.Object
  extended by 
org.eclipse.emf.transaction.internal.Tracing

public class Tracing
extends Object

Provides debug tracing services.


Field Summary
protected static  String LABEL_NEW_VALUE
          Label indicating new value.
protected static  String LABEL_OLD_VALUE
          Label indicating old value.
protected static  String PARENTHESIS_CLOSE
          String containing a close parenthesis.
protected static  String PARENTHESIS_OPEN
          String containing an open parenthesis.
protected static  String PREFIX_CATCHING
          Prefix for tracing the catching of throwables.
protected static  String PREFIX_CHANGING
          Prefix for tracing the changing of values.
protected static  String PREFIX_ENTERING
          Prefix for tracing the entering of methods.
protected static  String PREFIX_EXITING
          Prefix for tracing the exiting of methods.
protected static  String PREFIX_THROWING
          Prefix for tracing the throwing of throwables.
protected static  String SEPARATOR_METHOD
          Separator for methods.
protected static  String SEPARATOR_PARAMETER
          Separator for parameters.
protected static  String SEPARATOR_RETURN
          Separator for return values.
protected static  String SEPARATOR_SPACE
          Separator containing a space.
 
Constructor Summary
Tracing ()
           
 
Method Summary
static void catching ( Class<?> clazz, String methodName, Throwable throwable)
          Traces the catching of the specified throwable in the specified method of the specified class.
static void changing ( String option, Class<?> clazz, String methodName, String valueDescription, Object oldValue, Object newValue)
           
static void changing ( String option, String valueDescription, Object oldValue, Object newValue)
          Traces the changing of a value.
static void entering ( Class<?> clazz, String methodName, Object... parameters)
          Traces the entering into the specified method of the specified class, with the specified parameters.
static void exiting ( Class<?> clazz, String methodName)
          Traces the exiting from the specified method of the specified class.
static void exiting ( Class<?> clazz, String methodName, Object returnValue)
          Traces the exiting from the specified method of the specified class, with the specified return value.
protected static  String getArgumentsString ( Object[] arguments)
          Retrieves a textual representation of the specified arguments.
protected static  String getArgumentString ( Object argument)
          Retrieves a textual representation of the specified argument.
static  String now ()
          Gets the current time and date as a string, suitable for including in a trace message.
protected static boolean shouldTrace ()
          Retrieves a Boolean value indicating whether tracing is enabled.
static boolean shouldTrace ( String option)
          Retrieves a Boolean value indicating whether tracing is enabled for the specified debug option.
static void throwing ( Class<?> clazz, String methodName, Throwable throwable)
          Traces the throwing of the specified throwable from the specified method of the specified class.
static void trace ( String message)
          Traces the specified message.
static void trace ( String option, String message)
          Traces the specified message 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 
String PARENTHESIS_OPEN
String containing an open parenthesis.

See Also:
Constant Field Values

PARENTHESIS_CLOSE

protected static final 
String PARENTHESIS_CLOSE
String containing a close parenthesis.

See Also:
Constant Field Values

PREFIX_CHANGING

protected static final 
String PREFIX_CHANGING
Prefix for tracing the changing of values.

See Also:
Constant Field Values

PREFIX_CATCHING

protected static final 
String PREFIX_CATCHING
Prefix for tracing the catching of throwables.

See Also:
Constant Field Values

PREFIX_THROWING

protected static final 
String PREFIX_THROWING
Prefix for tracing the throwing of throwables.

See Also:
Constant Field Values

PREFIX_ENTERING

protected static final 
String PREFIX_ENTERING
Prefix for tracing the entering of methods.

See Also:
Constant Field Values

PREFIX_EXITING

protected static final 
String PREFIX_EXITING
Prefix for tracing the exiting of methods.

See Also:
Constant Field Values

SEPARATOR_METHOD

protected static final 
String SEPARATOR_METHOD
Separator for methods.

See Also:
Constant Field Values

SEPARATOR_PARAMETER

protected static final 
String SEPARATOR_PARAMETER
Separator for parameters.

See Also:
Constant Field Values

SEPARATOR_RETURN

protected static final 
String SEPARATOR_RETURN
Separator for return values.

See Also:
Constant Field Values

SEPARATOR_SPACE

protected static final 
String SEPARATOR_SPACE
Separator containing a space.

See Also:
Constant Field Values

LABEL_OLD_VALUE

protected static final 
String LABEL_OLD_VALUE
Label indicating old value.

See Also:
Constant Field Values

LABEL_NEW_VALUE

protected static final 
String LABEL_NEW_VALUE
Label indicating new value.

See Also:
Constant Field Values
Constructor Detail

Tracing

public Tracing()
Method Detail

shouldTrace

protected static boolean shouldTrace()
Retrieves a Boolean value indicating whether tracing is enabled.

Returns:
Whether tracing is enabled for the plug-in.

shouldTrace

public static boolean shouldTrace(
String option)
Retrieves a Boolean value indicating whether tracing is enabled for the specified debug option.

Parameters:
option - The debug option for which to determine trace enablement.
Returns:
Whether tracing is enabled for the debug option of the plug-in.

getArgumentString

protected static 
String getArgumentString(
Object argument)
Retrieves a textual representation of the specified argument.

Parameters:
argument - The argument for which to retrieve a textual representation.
Returns:
A textual representation of the specified argument.

getArgumentsString

protected static 
String getArgumentsString(
Object[] arguments)
Retrieves a textual representation of the specified arguments.

Parameters:
arguments - The arguments for which to retrieve a textual representation.
Returns:
A textual representation of the specified arguments.

trace

public static void trace(
String message)
Traces the specified message.

Parameters:
message - The message to be traced.

trace

public static void trace(
String option,
                         
String message)
Traces the specified message for the specified debug option.

Parameters:
option - The debug option for which to trace.
message - The message to be traced.

changing

public static void changing(
String option,
                            
String valueDescription,
                            
Object oldValue,
                            
Object newValue)
Traces the changing of a value.

Parameters:
option - The debug option for which to trace.
valueDescription - The description of the value which is changing.
oldValue - The old value.
newValue - The new value.

changing

public static void changing(
String option,
                            
Class<?> clazz,
                            
String methodName,
                            
String valueDescription,
                            
Object oldValue,
                            
Object newValue)
Parameters:
option - The debug option for which to trace.
clazz - The class in which the value is changing.
methodName - The name of the method in which the value is changing.
valueDescription - The description of the value which is changing.
oldValue - The old value.
newValue - The new value.

catching

public static void catching(
Class<?> clazz,
                            
String methodName,
                            
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 static void throwing(
Class<?> clazz,
                            
String methodName,
                            
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.

entering

public static void entering(
Class<?> clazz,
                            
String methodName,
                            
Object... parameters)
Traces the entering 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.

exiting

public static void exiting(
Class<?> clazz,
                           
String methodName)
Traces the exiting 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 static void exiting(
Class<?> clazz,
                           
String methodName,
                           
Object returnValue)
Traces the exiting 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.

now

public static 
String now()
Gets the current time and date as a string, suitable for including in a trace message.

Returns:
the timestamp string

Copyright 2002, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire