LhxHashTableDump Class Reference

Class to use to dump the content of a LhxHashTable. More...

#include <LhxHashTableDump.h>

Inheritance diagram for LhxHashTableDump:

List of all members.

Public Member Functions
	LhxHashTableDump (TraceLevel traceLevelInit, SharedTraceTarget pTraceTargetInit, string nameInit)
void	dump (string traceStr)
void	dump (LhxHashTable &hashTable)
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.

---

Detailed Description

Class to use to dump the content of a LhxHashTable.

Author:

Rushan Chen

Version:

Id

//open/dev/fennel/hashexe/LhxHashTableDump.h#2

Definition at line 40 of file LhxHashTableDump.h.

---

Constructor & Destructor Documentation

LhxHashTableDump::LhxHashTableDump	(	TraceLevel	traceLevelInit,
		SharedTraceTarget	pTraceTargetInit,
		string	nameInit
	)			[inline, explicit]

Definition at line 51 of file LhxHashTableDump.h.

                          :
        TraceSource(pTraceTargetInit, nameInit)
    {
        traceLevel = traceLevelInit;
    }

---

Member Function Documentation

void LhxHashTableDump::dump

(

string

traceStr

)

[inline]

Definition at line 60 of file LhxHashTableDump.h.

Referenced by LhxHashTableTest::testInsert().

    {
        FENNEL_TRACE(traceLevel, traceStr);
    }

void LhxHashTableDump::dump

(

LhxHashTable &

hashTable

)

[inline]

Definition at line 65 of file LhxHashTableDump.h.

References LhxHashTable::toString().

    {
        dump(hashTable.toString());
    }

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().

{
    assert(!pTraceTarget.get());

    pTraceTarget = pTraceTargetInit;
    name = nameInit;
    if (isTracing()) {
        minimumLevel = pTraceTarget->getSourceTraceLevel(name);
    } else {
        minimumLevel = TRACE_OFF;
    }
}

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().

{
    if (isTracing()) {
        getTraceTarget().notifyTrace(name,level,message);
    }
}

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().

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

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().

    {
        return level >= minimumLevel;
    }

TraceTarget& TraceSource::getTraceTarget

(

)

const [inline, inherited]

Returns:

the TraceTarget for this source

Definition at line 108 of file TraceSource.h.

Referenced by TraceSource::trace().

    {
        assert(isTracing());
        return *(pTraceTarget.get());
    }

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().

    {
        return pTraceTarget;
    }

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().

    {
        return name;
    }

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.

    {
        name = n;
    }

TraceLevel TraceSource::getMinimumTraceLevel

(

)

const [inline, inherited]

Definition at line 141 of file TraceSource.h.

    {
        return minimumLevel;
    }

void TraceSource::disableTracing

(

)

[inherited]

Definition at line 68 of file TraceSource.cpp.

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

Referenced by TestBase::afterTestCase().

{
    pTraceTarget.reset();
    minimumLevel = TRACE_OFF;
}

---

Member Data Documentation

TraceLevel LhxHashTableDump::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 48 of file LhxHashTableDump.h.

---

The documentation for this class was generated from the following file:

• /home/pub/open/dev/fennel/hashexe/LhxHashTableDump.h

---