Virtual base class for key making functors. More...
Inheritance diagram for Xapian::KeyMaker:
Public Member Functions | |
| KeyMaker () | |
| Default constructor. | |
| virtual std::string | operator() (const Xapian::Document &doc) const =0 |
| Build a key string for a Document. More... | |
| virtual | ~KeyMaker () |
| Virtual destructor, because we have virtual methods. More... | |
| KeyMaker * | release () |
| const KeyMaker * | release () const |
Detailed Description
Virtual base class for key making functors.
Constructor & Destructor Documentation
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virtual |
Virtual destructor, because we have virtual methods.
Member Function Documentation
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pure virtual |
Build a key string for a Document.
These keys can be used for sorting or collapsing matching documents.
- Parameters
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doc Document object to build a key for.
Implemented in Xapian::LatLongDistanceKeyMaker, and Xapian::MultiValueKeyMaker.
The documentation for this class was generated from the following file:
- xapian/keymaker.h