Class OperationTracer

java.lang.Object

org.glassfish.pfl.basic.logex.OperationTracer

public class OperationTracer
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	OperationTracer.ArrayElement
(package private) static interface	OperationTracer.Element
private static class	OperationTracer.GenericElement
private static class	OperationTracer.ValueElement

Field Summary

Fields

Modifier and Type	Field	Description
private static boolean	enabled
private static boolean	frozen
private static ThreadLocal<List<OperationTracer.Element>>	state

Constructor Summary

Constructors

Modifier	Constructor	Description
private	OperationTracer()

Method Summary

Modifier and Type	Method	Description
static void	begin(String label)	Initialize operation tracing on the caller's thread.
static void	clear()
static String	convertToString(Object arg)
static void	disable()
static void	enable()
private static void	end()
static void	endReadArray()
static void	endReadValue()	Pop the record of the current value that was just read.
static void	enter(String name, Object... args)
static void	exit()
static void	finish()	Terminate operation tracing on the caller's thread.
static void	freeze()
static String	getAsString()	Return the current contents of the OperationTracer state for the current thread.
static void	readingField(String fieldName)	Update the current Value record to indicate the field currently being read.
static void	readingIndex(int index)
static void	startReadArray(String name, int size)
static void	startReadValue(String name)	Push a record into the trace of the start of reading a value of the given type name.

Methods inherited from class Object

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

Field Details

enabled

private static boolean enabled

frozen

private static boolean frozen

state

private static ThreadLocal<List<OperationTracer.Element>> state

Constructor Details

OperationTracer

private OperationTracer()

Method Details

convertToString

public static String convertToString(Object arg)

freeze

public static void freeze()

enable

public static void enable()

disable

public static void disable()

getAsString

public static String getAsString()

Return the current contents of the OperationTracer state for the current thread.

Returns:

The string.

enter

public static void enter(String name,
 Object... args)

begin

public static void begin(String label)

Initialize operation tracing on the caller's thread. The OperationTracer is initially empty.

finish

public static void finish()

Terminate operation tracing on the caller's thread. After this call, toString will return the empty string.

startReadValue

public static void startReadValue(String name)

Push a record into the trace of the start of reading a value of the given type name.

readingField

public static void readingField(String fieldName)

Update the current Value record to indicate the field currently being read.

endReadValue

public static void endReadValue()

Pop the record of the current value that was just read.

startReadArray

public static void startReadArray(String name,
 int size)

readingIndex

public static void readingIndex(int index)

endReadArray

public static void endReadArray()

end

private static void end()

clear

public static void clear()

exit

public static void exit()