Fennel: LbmEntryDump Class Reference

LbmEntryDump::LbmEntryDump	(	TraceLevel	traceLevelInit,
		SharedTraceTarget	pTraceTarget,
		string	name
	)			`[explicit]`

Definition at line 27 of file LbmEntryDump.cpp.

References traceLevel.

00030                      :
00031     TraceSource(pTraceTargetInit, nameInit)
00032 {
00033     traceLevel = traceLevelInit;
00034 }

uint LbmEntryDump::dump	(	BTreeDescriptor const &	treeDescriptor,
		bool	printRID = `false`
	)

Definition at line 37 of file LbmEntryDump.cpp.

References TupleData::compute(), opaqueToInt(), LbmEntry::toString(), traceLevel, BTreeDescriptor::tupleDescriptor, and TupleAccessor::unmarshal().

00038 {
00039     uint numTuples = 0;
00040     TupleData indexTuple;
00041     TupleDescriptor indexTupleDesc = treeDescriptor.tupleDescriptor;
00042     SharedBTreeReader pReader = SharedBTreeReader(
00043         new BTreeReader(treeDescriptor));
00044 
00045     TupleAccessor const& indexTupleAccessor
00046         = pReader->getTupleAccessorForRead();
00047 
00048     indexTuple.compute(indexTupleDesc);
00049 
00050     ostringstream treeRootPageId;
00051     treeRootPageId << "RootPageId " << opaqueToInt(treeDescriptor.rootPageId);
00052     FENNEL_TRACE(traceLevel, treeRootPageId.str());
00053 
00054     if (!pReader->searchFirst()) {
00055         pReader->endSearch();
00056     }
00057 
00058     while (pReader->isPositioned()) {
00059         indexTupleAccessor.unmarshal(indexTuple);
00060         FENNEL_TRACE(traceLevel, LbmEntry::toString(indexTuple, printRID));
00061         numTuples ++;
00062 
00063         if (!pReader->searchNext()) {
00064             pReader->endSearch();
00065             break;
00066         }
00067     }
00068 
00069     return numTuples;
00070 }

void TraceSource::initTraceSource	(	SharedTraceTarget	pTraceTarget,
		std::string	name
	)			`[virtual, inherited]`

For use when initialization has to be deferred until after construction.

Parameters:

	pTraceTarget	the TraceTarget to which messages will be sent
	name	the name of this source

Definition at line 46 of file TraceSource.cpp.

References TraceSource::isTracing(), TraceSource::minimumLevel, TraceSource::name, TraceSource::pTraceTarget, and TRACE_OFF.

Referenced by TestBase::beforeTestCase(), TestBase::TestBase(), and TraceSource::TraceSource().

00049 {
00050     assert(!pTraceTarget.get());
00051 
00052     pTraceTarget = pTraceTargetInit;
00053     name = nameInit;
00054     if (isTracing()) {
00055         minimumLevel = pTraceTarget->getSourceTraceLevel(name);
00056     } else {
00057         minimumLevel = TRACE_OFF;
00058     }
00059 }

void TraceSource::trace	(	TraceLevel	level,
		std::string	message
	)			const `[inherited]`

Records a trace message.

Normally only called via FENNEL_TRACE.

Parameters:

	level	severity level of event being trace
	message	the text of the message

Definition at line 61 of file TraceSource.cpp.

References TraceSource::getTraceTarget(), TraceSource::isTracing(), TraceSource::name, and TraceTarget::notifyTrace().

Referenced by Calculator::exec(), and ExecStreamScheduler::traceStreamBufferContents().

00062 {
00063     if (isTracing()) {
00064         getTraceTarget().notifyTrace(name,level,message);
00065     }
00066 }

bool TraceSource::isTracing ( ) const [inline, inherited]

Returns:: true iff tracing is enabled for this source

Definition at line 88 of file TraceSource.h.

Referenced by TraceSource::initTraceSource(), CalcExecStream::prepare(), and TraceSource::trace().

00089     {
00090         return pTraceTarget.get() ? true : false;
00091     }

bool TraceSource::isTracingLevel ( TraceLevel level ) const [inline, inherited]

Determines whether a particular level is being traced.

Parameters:

level

trace level to test

Returns:: true iff tracing is enabled for the given level

Definition at line 100 of file TraceSource.h.

Referenced by ExecStreamScheduler::addGraph(), SimpleExecStreamGovernor::assignCachePages(), SimpleExecStreamGovernor::distributeCachePages(), Calculator::exec(), ExecStreamScheduler::ExecStreamScheduler(), LcsClusterNodeWriter::getLastClusterPageForWrite(), LcsClusterNodeWriter::moveFromTempToIndex(), JavaSinkExecStream::stuffByteBuffer(), and ExecStreamScheduler::traceStreamBuffers().

00101     {
00102         return level >= minimumLevel;
00103     }

TraceTarget& TraceSource::getTraceTarget ( ) const [inline, inherited]

Returns:: the TraceTarget for this source

Definition at line 108 of file TraceSource.h.

Referenced by TraceSource::trace().

00109     {
00110         assert(isTracing());
00111         return *(pTraceTarget.get());
00112     }

SharedTraceTarget TraceSource::getSharedTraceTarget ( ) const [inline, inherited]

Returns:: the SharedTraceTarget for this source

Definition at line 117 of file TraceSource.h.

Referenced by Database::init(), LcsClusterAppendExecStream::initLoad(), and CalcExecStream::prepare().

00118     {
00119         return pTraceTarget;
00120     }

std::string TraceSource::getTraceSourceName ( ) const [inline, inherited]

Gets the name of this source.

Useful to construct nested names for subcomponents that are also TraceSources.

Returns:: the name

Definition at line 127 of file TraceSource.h.

Referenced by LcsClusterAppendExecStream::initLoad().

00128     {
00129         return name;
00130     }

void TraceSource::setTraceSourceName ( std::string const & n ) [inline, inherited]

Sets the name of this source.

Useful to construct dynamic names for fine-grained filtering.

Definition at line 136 of file TraceSource.h.

00137     {
00138         name = n;
00139     }

TraceLevel TraceSource::getMinimumTraceLevel ( ) const [inline, inherited]

Definition at line 141 of file TraceSource.h.

00142     {
00143         return minimumLevel;
00144     }

void TraceSource::disableTracing ( ) [inherited]

Definition at line 68 of file TraceSource.cpp.

References TraceSource::minimumLevel, TraceSource::pTraceTarget, and TRACE_OFF.

Referenced by TestBase::afterTestCase().

00069 {
00070     pTraceTarget.reset();
00071     minimumLevel = TRACE_OFF;
00072 }

const uint LbmEntryDump::lineLen = 80 [static, private]

Definition at line 45 of file LbmEntryDump.h.

TraceLevel LbmEntryDump::traceLevel [private]

The level at which tracing of cluster dump will be done.

I.e., the caller of this object can control the level at which dumps are generated.

Definition at line 52 of file LbmEntryDump.h.

Referenced by dump(), and LbmEntryDump().


Public Member Functions
	LbmEntryDump (TraceLevel traceLevelInit, SharedTraceTarget pTraceTarget, string name)
uint	dump (BTreeDescriptor const &treeDescriptor, bool printRID=false)
virtual void	initTraceSource (SharedTraceTarget pTraceTarget, std::string name)
	For use when initialization has to be deferred until after construction.
void	trace (TraceLevel level, std::string message) const
	Records a trace message.
bool	isTracing () const
	Returns: true iff tracing is enabled for this source
bool	isTracingLevel (TraceLevel level) const
	Determines whether a particular level is being traced.
TraceTarget &	getTraceTarget () const
	Returns: the TraceTarget for this source
SharedTraceTarget	getSharedTraceTarget () const
	Returns: the SharedTraceTarget for this source
std::string	getTraceSourceName () const
	Gets the name of this source.
void	setTraceSourceName (std::string const &n)
	Sets the name of this source.
TraceLevel	getMinimumTraceLevel () const
void	disableTracing ()
Private Attributes
TraceLevel	traceLevel
	The level at which tracing of cluster dump will be done.
Static Private Attributes
static const uint	lineLen = 80

LbmEntryDump Class Reference

Public Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation