abstractpipeline.cpp 5.55 KB
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// ================================================================================================
// 
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// This file is part of the CAMPVis Software Framework.
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// 
// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
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//      Christian Schulte zu Berge <christian.szb@in.tum.de>
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//      Chair for Computer Aided Medical Procedures
//      Technische Universitt Mnchen
//      Boltzmannstr. 3, 85748 Garching b. Mnchen, Germany
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// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
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// 
// The licensing of this softare is not yet resolved. Until then, redistribution in source or
// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
// However, the names of the original authors and the above copyright notice must retain in its
// original state in any case.
// 
// Legal disclaimer provided by the BSD license:
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// ================================================================================================

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#include "abstractpipeline.h"
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#include "tgt/exception.h"
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#include "core/pipeline/abstractprocessor.h"
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#include <ctime>

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namespace campvis {
    const std::string AbstractPipeline::loggerCat_ = "CAMPVis.core.datastructures.AbstractPipeline";
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    AbstractPipeline::AbstractPipeline() 
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        : HasPropertyCollection()
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        , _enabled(true)
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    {
    }

    AbstractPipeline::~AbstractPipeline() {
    }

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    void AbstractPipeline::init() {
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        initAllProperties();

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        // initialize all processors:
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        for (std::vector<AbstractProcessor*>::iterator it = _processors.begin(); it != _processors.end(); ++it) {
            try {
                (*it)->init();
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                (*it)->s_invalidated.connect(this, &AbstractPipeline::onProcessorInvalidated);
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            }
            catch (tgt::Exception& e) {
                LERROR("Caught Exception during initialization of processor: " << e.what());
            }
        }
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    }
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    void AbstractPipeline::deinit() {
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        deinitAllProperties();

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        // deinitialize all processors:
        for (std::vector<AbstractProcessor*>::iterator it = _processors.begin(); it != _processors.end(); ++it) {
            try {
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                (*it)->s_invalidated.disconnect(this);
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                (*it)->deinit();
            }
            catch (tgt::Exception& e) {
                LERROR("Caught Exception during deinitialization of processor: " << e.what());
            }
        }
    }

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    void AbstractPipeline::onPropertyChanged(const AbstractProperty* prop) {
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        HasPropertyCollection::onPropertyChanged(prop);
         _invalidationLevel.setLevel(InvalidationLevel::INVALID_RESULT);
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        s_PipelineInvalidated();
    }

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    void AbstractPipeline::onProcessorInvalidated(AbstractProcessor* processor) {
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        _invalidationLevel.setLevel(InvalidationLevel::INVALID_RESULT);
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        s_PipelineInvalidated();
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    }

    const DataContainer& AbstractPipeline::getDataContainer() const {
        return _data;
    }

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    DataContainer& AbstractPipeline::getDataContainer() {
        return _data;
    }

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    void AbstractPipeline::executeProcessor(AbstractProcessor* processor) {
        tgtAssert(processor != 0, "Processor must not be 0.");

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        if (processor->getEnabled() && !processor->isLocked() && !processor->getInvalidationLevel().isValid()) {
            processor->lockProcessor();
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#ifdef CAMPVIS_DEBUG
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            clock_t startTime = clock();
#endif
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            try {
                processor->process(_data);
            }
            catch (std::exception& e) {
                LERROR("Caught unhandled exception while executing processor " << processor->getName() << ": " << e.what());
            }
            catch (...) {
                LERROR("Caught unhandled exception while executing processor " << processor->getName() << ": unknown exception");
            }

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#ifdef CAMPVIS_DEBUG
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            clock_t endTime = clock();
#endif
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            processor->unlockProcessor();
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#ifdef CAMPVIS_DEBUG
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            LDEBUG("Executed processor " << processor->getName() << " duration: " << (endTime - startTime));
#endif
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        }
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    }

    InvalidationLevel& AbstractPipeline::getInvalidationLevel() {
        return _invalidationLevel;
    }

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    const std::vector<AbstractProcessor*>& AbstractPipeline::getProcessors() const {
        return _processors;
    }

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    bool AbstractPipeline::getEnabled() const {
        return _enabled;
    }

    void AbstractPipeline::setEnabled(bool enabled) {
        _enabled = enabled;
    }

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    void AbstractPipeline::addProcessor(AbstractProcessor* processor) {
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        tgtAssert(processor != 0, "Processor must not be 0.")
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        _processors.push_back(processor);
    }
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}