BulkLoadIterator.h

Go to the documentation of this file.

#ifndef INDEX_BULKLOADITERATOR_H
#define INDEX_BULKLOADITERATOR_H
 
#include "tdb.h"
 
#include "catalog/Schema.h"
#include "index/IndexKey.h"
#include "storage/Record.h"
 
namespace taco {
 
class BulkLoadIterator {
public:
    BulkLoadIterator(const Schema *key_schema):
        m_key_schema(key_schema),
        m_key(unique_aligned_alloc(8,
                IndexKey::ComputeStructSize(m_key_schema->GetNumFields()))),
        m_recid() {}
 
    virtual ~BulkLoadIterator() {}
 
    virtual bool Next() = 0;
 
    const IndexKey *GetCurrentKey() {
        return reinterpret_cast<IndexKey*>(m_key.get());
    }
 
    const RecordId &GetCurrentRecordId() {
        return m_recid;
    }
 
    virtual void EndScan() = 0;
 
protected:
    const Schema *m_key_schema;
    unique_malloced_ptr m_key;
    RecordId m_recid;
};
 
}   // namespace taco
 
#endif      // INDEX_BULKLOADITERATOR_H