org.openjdk.jmc.flightrecorder.internal.parser.v0.factories

Class StackTraceFactory

java.lang.Object

org.openjdk.jmc.flightrecorder.internal.parser.v0.factories.StackTraceFactory

All Implemented Interfaces:

IPoolFactory<IMCStackTrace>

final class StackTraceFactory
extends java.lang.Object
implements IPoolFactory<IMCStackTrace>

Factory that create an IMCStackTrace from the stack trace pool. If the same stack trace has been created before that trace is returned instead.

Field Summary

Fields

Modifier and Type	Field and Description
private int	m_bciIndex
private int	m_fieldCount
private int	m_frameIndex
private int	m_frameTypeIndex
private int	m_lineNumberIndex
private int	m_methodIndex
private int	m_truncateIndex
private CanonicalConstantMap<IMCStackTrace>	traceMap

Constructor Summary

Constructors

Constructor and Description
StackTraceFactory(ValueDescriptor[] traceDescriptors, CanonicalConstantMap<IMCStackTrace> traceMap)

Method Summary

Modifier and Type	Method and Description
private static java.util.List<IMCFrame>	buildFilteredStackTrace(IMCFrame[] frames)
private IMCFrame	createFrame(java.lang.Object[] frameObject)
IMCStackTrace	createObject(long identifier, java.lang.Object o) Creates a replacement object for a value in a pool
private IMCStackTrace	createTrace(java.lang.Object o)
ContentType<IMCStackTrace>	getContentType()

Methods inherited from class java.lang.Object

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

Field Detail

m_frameIndex

private final int m_frameIndex

m_truncateIndex

private final int m_truncateIndex

m_methodIndex

private final int m_methodIndex

m_lineNumberIndex

private final int m_lineNumberIndex

m_frameTypeIndex

private final int m_frameTypeIndex

m_bciIndex

private final int m_bciIndex

m_fieldCount

private final int m_fieldCount

traceMap

private final CanonicalConstantMap<IMCStackTrace> traceMap

Constructor Detail

StackTraceFactory

public StackTraceFactory(ValueDescriptor[] traceDescriptors,
                         CanonicalConstantMap<IMCStackTrace> traceMap)
                  throws InvalidJfrFileException

Throws:

InvalidJfrFileException

Method Detail

createObject

public IMCStackTrace createObject(long identifier,
                                  java.lang.Object o)

Description copied from interface: IPoolFactory

Creates a replacement object for a value in a pool

Specified by:

createObject in interface IPoolFactory<IMCStackTrace>

Parameters:

identifier - the identifier that is used to look up the object

Returns:

the replacement object that will be used instead

createTrace

private IMCStackTrace createTrace(java.lang.Object o)

buildFilteredStackTrace

private static java.util.List<IMCFrame> buildFilteredStackTrace(IMCFrame[] frames)

createFrame

private IMCFrame createFrame(java.lang.Object[] frameObject)

getContentType

public ContentType<IMCStackTrace> getContentType()

Specified by:

getContentType in interface IPoolFactory<IMCStackTrace>