JavaTraceTarget.h

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/*
// $Id: //open/dev/fennel/farrago/JavaTraceTarget.h#15 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Portions Copyright (C) 1999-2009 John V. Sichi
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version approved by The Eigenbase Project.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef Fennel_JavaTraceTarget_Included
#define Fennel_JavaTraceTarget_Included

#include "fennel/common/TraceTarget.h"
#include "fennel/common/StatsTarget.h"
#include "fennel/farrago/JniUtil.h"

FENNEL_BEGIN_NAMESPACE

class FENNEL_FARRAGO_EXPORT JavaTraceTarget
    : public TraceTarget, public StatsTarget
{
    jobject javaTrace;

    jmethodID methTrace;

    jmethodID methGetSourceTraceLevel;

public:
    explicit JavaTraceTarget();

    explicit JavaTraceTarget(
        jobject javaTraceInit, jmethodID methTraceInit,
        jmethodID methGetSourceTraceLevelInit);

    virtual ~JavaTraceTarget();

    // implement TraceTarget
    virtual void notifyTrace(
        std::string source,TraceLevel level,std::string message);
    virtual TraceLevel getSourceTraceLevel(std::string source);

    // implement StatsTarget
    virtual void beginSnapshot();
    virtual void endSnapshot();
    virtual void writeCounter(std::string name,int64_t value);
    virtual void onThreadStart();
    virtual void onThreadEnd();
};

FENNEL_END_NAMESPACE

#endif

// End JavaTraceTarget.h

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