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46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
// reci.h
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#pragma once
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#include "storage.h"
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namespace mongo {
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/* Subclass this and implement your real storage interface.
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*/
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class RecStoreInterface {
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public:
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virtual ~RecStoreInterface() {}
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/* Get a pointer to the data at diskloc d. Pointer guaranteed to stay in
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scope through the current database operation's life.
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*/
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virtual char* get(DiskLoc d, unsigned len) = 0;
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/* indicate that the diskloc specified has been updated. note that as-is today, the modification may come AFTER this
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call -- we handle that currently -- until the dblock finishes.
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*/
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virtual void modified(DiskLoc d) = 0;
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/* insert specified data as a record */
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virtual DiskLoc insert(const char *ns, const void *obuf, int len, bool god) = 0;
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virtual void deleteRecord(const char *ns, DiskLoc d) { massert("not implemented RecStoreInterface::deleteRecord", false); }
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/* drop the collection */
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virtual void drop(const char *ns) = 0;
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/* rename collection */
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virtual void rename(const char *fromNs, const char *toNs) = 0;
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/* close datafiles associated with the db specified. */
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virtual void closeFiles(string dbname, string path) = 0;
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/* todo add:
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closeFiles(dbname)
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eraseFiles(dbname)
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*/
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};
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}
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