OrData.h

//-*****************************************************************************
//
// Copyright (c) 2013,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
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#ifndef Alembic_AbcCoreOgawa_OrData_h
#define Alembic_AbcCoreOgawa_OrData_h
 
#include <Alembic/AbcCoreOgawa/Foundation.h>
 
namespace Alembic {
namespace AbcCoreOgawa {
namespace ALEMBIC_VERSION_NS {
 
class CprData;
 
// data class owned by OrImpl, or ArImpl if it is a "top" object.
// it owns and makes child objects
 
class OrData : public Alembic::Util::enable_shared_from_this<OrData>
{
public:
    OrData( Ogawa::IGroupPtr iGroup,
            const std::string & iParentName,
            size_t iThreadId,
            AbcA::ArchiveReader & iArchive,
            const std::vector< AbcA::MetaData > & iIndexedMetaData );
 
    ~OrData();
 
    AbcA::CompoundPropertyReaderPtr
    getProperties( AbcA::ObjectReaderPtr iParent );
 
    size_t getNumChildren();
 
    const AbcA::ObjectHeader &
    getChildHeader( AbcA::ObjectReaderPtr iParent, size_t i );
 
    const AbcA::ObjectHeader *
    getChildHeader( AbcA::ObjectReaderPtr iParent, const std::string &iName );
 
    AbcA::ObjectReaderPtr
    getChild( AbcA::ObjectReaderPtr iParent, const std::string &iName );
 
    AbcA::ObjectReaderPtr
    getChild( AbcA::ObjectReaderPtr iParent, size_t i );
 
    void getPropertiesHash( Util::Digest & oDigest, size_t iThreadId );
 
    void getChildrenHash( Util::Digest & oDigest, size_t iThreadId );
 
private:
 
    Ogawa::IGroupPtr m_group;
 
    struct Child
    {
        ObjectHeaderPtr header;
        WeakOrPtr made;
        Alembic::Util::mutex lock;
    };
 
    typedef std::map<std::string, size_t> ChildrenMap;
 
    // The children
    Alembic::Util::unique_ptr< Child[] > m_children;
    ChildrenMap m_childrenMap;
 
    // Our "top" property.
    Alembic::Util::weak_ptr< AbcA::CompoundPropertyReader > m_top;
    Alembic::Util::shared_ptr < CprData > m_data;
    Alembic::Util::mutex m_cprlock;
};
 
typedef Alembic::Util::shared_ptr<OrData> OrDataPtr;
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreOgawa
} // End namespace Alembic
 
#endif