ReadArraySampleCache.h

//-*****************************************************************************
//
// Copyright (c) 2009-2012,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Sony Pictures Imageworks, nor
// Industrial Light & Magic nor the names of their contributors may be used
// to endorse or promote products derived from this software without specific
// prior written permission.
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//-*****************************************************************************
 
#ifndef Alembic_AbcCoreAbstract_ReadArraySampleCache_h
#define Alembic_AbcCoreAbstract_ReadArraySampleCache_h
 
#include <Alembic/Util/Export.h>
#include <Alembic/AbcCoreAbstract/Foundation.h>
#include <Alembic/AbcCoreAbstract/ArraySample.h>
 
namespace Alembic {
namespace AbcCoreAbstract {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
class ReadArraySampleID
{
public:
    typedef ReadArraySampleID this_type;
    
    ReadArraySampleID() {}

    ReadArraySampleID( const ArraySample::Key &iSampleKey,
                       ArraySamplePtr iSample )
      : m_sampleKey( iSampleKey ),
        m_sample( iSample ) {}


    const ArraySample::Key &getKey() const
    { return m_sampleKey; }

    ArraySamplePtr getSample() const
    { return m_sample; }

    bool valid() const
    {
        return ( m_sample && m_sample->valid() );
    }

    ALEMBIC_OPERATOR_BOOL( valid() );
 
private:
    ArraySample::Key m_sampleKey;
    ArraySamplePtr m_sample;
};
 
 
//-*****************************************************************************
//-*****************************************************************************
//-*****************************************************************************
// READ ARRAY SAMPLE CACHE
//-*****************************************************************************
//-*****************************************************************************
//-*****************************************************************************
 
//-*****************************************************************************
class ALEMBIC_EXPORT ReadArraySampleCache
    : private Alembic::Util::noncopyable
    , public Alembic::Util::enable_shared_from_this<ReadArraySampleCache>
{
public:
    virtual ~ReadArraySampleCache();

    virtual ReadArraySampleID find( const ArraySample::Key &iKey ) = 0;

    virtual ReadArraySampleID store( const ArraySample::Key &iKey,
                                     ArraySamplePtr iSamp ) = 0;
};
 
//-*****************************************************************************
typedef Alembic::Util::shared_ptr<ReadArraySampleCache> ReadArraySampleCachePtr;
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreAbstract
} // End namespace Alembic
 
#endif