initial commit

lib/wDatabase/database.h

@@ -0,0 +1,56 @@
+#ifndef DATABASE_H
+#define DATABASE_H
+
+#include "lmdb++.h"
+
+#include <map>
+#include <set>
+
+#include <wModel/icatalogue.h>
+
+#include <wType/string.h>
+#include <wType/address.h>
+
+class Database: public M::ICatalogue
+{
+    Q_OBJECT
+    class AbstractIndex;
+public:
+    Database(const W::String& dbName, QObject* parent = 0);
+    ~Database();
+    
+    void open();
+    
+    uint64_t addElement(const W::Vocabulary& record) override;
+    W::Vocabulary* getElement(uint64_t id) override;
+    void removeElement(uint64_t id) override;
+    void clear() override;
+    void modifyElement(uint64_t id, const W::Vocabulary & newValue) override;
+    uint64_t size() const override;
+    
+    void addIndex(const W::String& fieldName, W::Object::objectType fieldType) override;
+    
+    void addModel(M::Model* model);
+    void removeModel(M::Model* model);
+    
+protected:
+    std::set<uint64_t> getAll() const override;
+    
+private:
+    void checkDirAndOpenEnvironment();
+    void index();
+    
+private slots:
+    void onChildSubscribersCountChange(uint64_t count);
+    
+public:
+    const W::String name;
+    
+private:
+    bool opened;
+    lmdb::env environment;
+    lmdb::dbi dbi;
+    std::set<uint64_t> elements;
+};
+
+#endif // DATABASE_H