vectordatacontainer.h

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#ifndef ION_BASE_VECTORDATACONTAINER_H_
#define ION_BASE_VECTORDATACONTAINER_H_

#include "base/macros.h"
#include "ion/base/datacontainer.h"
#include "ion/base/stlalloc/allocvector.h"
#include "ion/port/nullptr.h"  // For kNullFunction.

namespace ion {
namespace base {

template <typename T>
class ION_API VectorDataContainer : public DataContainer {
 public:
  explicit VectorDataContainer(bool is_wipeable)
      : DataContainer(kNullFunction, is_wipeable), vector_(*this) {}

  const AllocVector<T>& GetVector() const { return vector_; }

  AllocVector<T>* GetMutableVector() { return &vector_; }

 protected:
  ~VectorDataContainer() override {}

 private:
  void InternalWipeData() override { vector_ = AllocVector<T>(GetAllocator()); }

  void* GetDataPtr() const override {
    return vector_.empty() ? NULL : &vector_[0];
  }

  mutable AllocVector<T> vector_;

  DISALLOW_IMPLICIT_CONSTRUCTORS(VectorDataContainer);
};

}  // namespace base
}  // namespace ion

#endif  // ION_BASE_VECTORDATACONTAINER_H_