Fennel: JavaTraceTarget Class Reference (original) (raw)

JavaTraceTarget implements TraceTarget by calling back into the java.util.logging facility. More...

#include <[JavaTraceTarget.h](JavaTraceTarget%5F8h-source.html)>

Inheritance diagram for JavaTraceTarget:

List of all members.

Public Member Functions
JavaTraceTarget ()
JavaTraceTarget (jobject javaTraceInit, jmethodID methTraceInit, jmethodID methGetSourceTraceLevelInit)
virtual ~JavaTraceTarget ()
virtual void notifyTrace (std::string source, TraceLevel level, std::string message)
Receives notification when a trace event occurs.
virtual TraceLevel getSourceTraceLevel (std::string source)
Gets the level at which a particular source should be traced.
virtual void beginSnapshot ()
Begins recording a snapshot.
virtual void endSnapshot ()
Finishes recording a snapshot.
virtual void writeCounter (std::string name, int64_t value)
Writes one int counter.
virtual void onThreadStart ()
Receives notification that stats polling is starting via a TimerThread.
virtual void onThreadEnd ()
Receives notification that stats polling via a TimerThread is ending.
Private Attributes
jobject javaTrace
net.sf.farrago.util.NativeTrace object to which trace messages should be written.
jmethodID methTrace
Method NativeTrace.trace.
jmethodID methGetSourceTraceLevel
Method NativeTrace.getSourceTraceLevel.

Detailed Description

JavaTraceTarget implements TraceTarget by calling back into the java.util.logging facility.

It also implements StatsTarget by converting performance counter updates into trace events which are published inside of Java.

Definition at line 39 of file JavaTraceTarget.h.

Constructor & Destructor Documentation

| JavaTraceTarget::JavaTraceTarget | ( | | ) | [explicit] | | -------------------------------- | - | | - | ------------ |

Definition at line 33 of file JavaTraceTarget.cpp.

References JniUtil::incrementHandleCount(), javaTrace, methGetSourceTraceLevel, and methTrace.

00034 { 00035 JniEnvAutoRef pEnv; 00036 jclass classNativeTrace = pEnv->FindClass( 00037 "net/sf/farrago/util/NativeTrace"); 00038 00039 jmethodID methInstance = 00040 pEnv->GetStaticMethodID( 00041 classNativeTrace, "instance", 00042 "()Lnet/sf/farrago/util/NativeTrace;"); 00043 00044 jobject javaTraceInit = 00045 pEnv->CallStaticObjectMethod(classNativeTrace, methInstance); 00046 00047 JniUtil::incrementHandleCount(JAVATRACETARGET_TYPE_STR, this); 00048 javaTrace = pEnv->NewGlobalRef(javaTraceInit); 00049 00050
00051 assert(javaTrace); 00052 00053 methTrace = pEnv->GetMethodID( 00054 classNativeTrace,"trace", 00055 "(Ljava/lang/String;ILjava/lang/String;)V"); 00056 methGetSourceTraceLevel = pEnv->GetMethodID( 00057 classNativeTrace,"getSourceTraceLevel", 00058 "(Ljava/lang/String;)I"); 00059 }

JavaTraceTarget::JavaTraceTarget ( jobject javaTraceInit,
jmethodID methTraceInit,
jmethodID methGetSourceTraceLevelInit
) [explicit]

| JavaTraceTarget::~JavaTraceTarget | ( | | ) | [virtual] | | ---------------------------------- | - | | - | ----------- |

Member Function Documentation

void JavaTraceTarget::notifyTrace ( std::string source,
TraceLevel level,
std::string message
) [virtual]
TraceLevel JavaTraceTarget::getSourceTraceLevel ( std::string source ) [virtual]

| void JavaTraceTarget::beginSnapshot | ( | | ) | [virtual] | | ----------------------------------- | - | | - | ----------- |

| void JavaTraceTarget::endSnapshot | ( | | ) | [virtual] | | --------------------------------- | - | | - | ----------- |

void JavaTraceTarget::writeCounter ( std::string name,
int64_t value
) [virtual]

| void JavaTraceTarget::onThreadStart | ( | | ) | [virtual] | | ----------------------------------- | - | | - | ----------- |

| void JavaTraceTarget::onThreadEnd | ( | | ) | [virtual] | | --------------------------------- | - | | - | ----------- |

Member Data Documentation

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

Generated on Mon Jun 22 04:00:33 2009 for Fennel by doxygen 1.5.1