//-*****************************************************************************
//
// Copyright (c) 2013,
//  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.
//
// 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
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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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
