browse_filter.hpp

#pragma once

#include "../global.hpp" 

#include "exception.hpp"
#include "node_id.hpp"  

namespace Cvb
{
CVB_BEGIN_INLINE_NS;
template <>
inline HandleGuard<OpcUa::BrowseFilter>::HandleGuard(void * handle) noexcept
  : HandleGuard<OpcUa::BrowseFilter>(handle, [](void* handle)
{
  CVB_CALL_CAPI(ReleaseObject(handle));
})
{
}

namespace OpcUa
{
class BrowseFilter
  : public std::enable_shared_from_this<BrowseFilter>
{
public:

  static BrowseFilterPtr Create(
    OpcUa::ReferenceDirection direction, OpcUa::ReferenceType referenceType, std::size_t maxReferences,
    BrowseSubType subTypes, std::uint32_t nodeClassMask)
  {
    auto tmp = new CExports::TCVOPCBrowseFilter;
    tmp->ReferenceDirection = static_cast<CExports::TCVOPCReferenceDirection>(direction);
    tmp->ReferenceTypeId = static_cast<CExports::TCVOPCReferenceType>(referenceType);
    tmp->MaxReferences = static_cast<CExports::cvbval_t>(maxReferences);
    tmp->IncludeSubTypes = static_cast<CExports::TCVOPCBrowseSubType>(subTypes);
    tmp->NodeClassMask = static_cast<CExports::cvbval_t>(nodeClassMask);

    HandleGuard<BrowseFilter> guard(tmp);
    if (!guard.Handle())
      throw OpcUaException(ErrorCodes::CVB_ERROR);

    BrowseFilterPtr bf(new BrowseFilter(std::move(guard)));

    return bf;
  }

  static BrowseFilterPtr Create(OpcUa::ReferenceType  referenceTypeID)
  {
    return Create(ReferenceDirection::Forward, referenceTypeID, 10000U, BrowseSubType::SubTypesIncluded, 0U);
  }

  static BrowseFilterPtr Create()
  {
    return Create(ReferenceDirection::Forward, OpcUa::ReferenceType::Hierarchical, 10000U, BrowseSubType::SubTypesIncluded, 0U);
  }

  void * Handle() const noexcept
  {
    return handle_.Handle();
  }

  virtual ~BrowseFilter() = default;

protected:
  explicit BrowseFilter(HandleGuard<BrowseFilter> && guard) noexcept
    : handle_(std::move(guard))
  {
  }

private:
  explicit BrowseFilter(std::function<HandleGuard<BrowseFilter>()> creator)
    : BrowseFilter(creator())
  {
  }
  HandleGuard<BrowseFilter> handle_;
};
}
CVB_END_INLINE_NS
}