xapian-core
1.4.26
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#include <glass_metadata.h>
Public Member Functions | |
GlassMetadataTermList (Xapian::Internal::intrusive_ptr< const Xapian::Database::Internal > database_, GlassCursor *cursor_, const std::string &prefix_) | |
~GlassMetadataTermList () | |
std::string | get_termname () const |
Returns the current termname. More... | |
Xapian::doccount | get_termfreq () const |
Return the term frequency for the term at the current position. More... | |
TermList * | next () |
Advance to the next term in the list. More... | |
TermList * | skip_to (const std::string &key) |
Advance to the first key which is >= key. More... | |
bool | at_end () const |
True if we're off the end of the list. More... | |
Public Member Functions inherited from AllTermsList | |
virtual Xapian::termcount | get_approx_size () const |
Return approximate size of this termlist. More... | |
virtual Xapian::termcount | get_wdf () const |
Return the wdf for the term at the current position. More... | |
virtual Xapian::termcount | positionlist_count () const |
Return true if the current position is past the last term in this list. More... | |
virtual Xapian::PositionIterator | positionlist_begin () const |
Return a PositionIterator for the current position. More... | |
Public Member Functions inherited from Xapian::TermIterator::Internal | |
virtual | ~Internal () |
We have virtual methods and want to be able to delete derived classes using a pointer to the base class, so we need a virtual destructor. More... | |
virtual void | accumulate_stats (Xapian::Internal::ExpandStats &stats) const |
Collate weighting information for the current term. More... | |
virtual const std::vector< Xapian::termpos > * | get_vector_termpos () const |
Get pointer to vector<termpos> if that's the internal representation. More... | |
Public Member Functions inherited from Xapian::Internal::intrusive_base | |
intrusive_base () | |
Construct with no references. More... | |
Private Member Functions | |
GlassMetadataTermList (const GlassMetadataTermList &) | |
Copying is not allowed. More... | |
void | operator= (const GlassMetadataTermList &) |
Assignment is not allowed. More... | |
Private Attributes | |
Xapian::Internal::intrusive_ptr< const Xapian::Database::Internal > | database |
Keep a reference to our database to stop it being deleted. More... | |
GlassCursor * | cursor |
A cursor which runs through the postlist table reading metadata keys. More... | |
std::string | prefix |
The prefix that all returned keys must have. More... | |
Additional Inherited Members | |
Public Attributes inherited from Xapian::TermIterator::Internal | |
size_t | shard_index = 0 |
Which shard of a multidatabase this is from. More... | |
Public Attributes inherited from Xapian::Internal::intrusive_base | |
unsigned | _refs |
Reference count. More... | |
Protected Member Functions inherited from AllTermsList | |
AllTermsList () | |
Only constructable as a base class for derived classes. More... | |
Protected Member Functions inherited from Xapian::TermIterator::Internal | |
Internal () | |
Only constructable as a base class for derived classes. More... | |
Definition at line 37 of file glass_metadata.h.
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private |
Copying is not allowed.
GlassMetadataTermList::GlassMetadataTermList | ( | Xapian::Internal::intrusive_ptr< const Xapian::Database::Internal > | database_, |
GlassCursor * | cursor_, | ||
const std::string & | prefix_ | ||
) |
Definition at line 38 of file glass_metadata.cc.
References Assert, cursor, GlassCursor::find_entry_lt(), LOGCALL_CTOR, and prefix.
GlassMetadataTermList::~GlassMetadataTermList | ( | ) |
Definition at line 50 of file glass_metadata.cc.
References cursor, and LOGCALL_DTOR.
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virtual |
True if we're off the end of the list.
Implements AllTermsList.
Definition at line 105 of file glass_metadata.cc.
References GlassCursor::after_end(), cursor, LOGCALL, and RETURN.
Referenced by get_termname(), next(), and skip_to().
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virtual |
Return the term frequency for the term at the current position.
Not meaningful for a GlassMetadataTermList.
Implements AllTermsList.
Definition at line 67 of file glass_metadata.cc.
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virtual |
Returns the current termname.
Either next() or skip_to() must have been called before this method can be called.
Implements AllTermsList.
Definition at line 57 of file glass_metadata.cc.
References Assert, at_end(), GlassCursor::current_key, cursor, LOGCALL, prefix, RETURN, and startswith().
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virtual |
Advance to the next term in the list.
Implements AllTermsList.
Definition at line 73 of file glass_metadata.cc.
References GlassCursor::after_end(), Assert, at_end(), GlassCursor::current_key, cursor, LOGCALL, GlassCursor::next(), prefix, RETURN, startswith(), and GlassCursor::to_end().
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private |
Assignment is not allowed.
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virtual |
Advance to the first key which is >= key.
Implements AllTermsList.
Definition at line 88 of file glass_metadata.cc.
References GlassCursor::after_end(), Assert, at_end(), GlassCursor::current_key, cursor, GlassCursor::find_entry_ge(), LOGCALL, prefix, RETURN, startswith(), and GlassCursor::to_end().
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private |
A cursor which runs through the postlist table reading metadata keys.
Definition at line 49 of file glass_metadata.h.
Referenced by at_end(), get_termname(), GlassMetadataTermList(), next(), skip_to(), and ~GlassMetadataTermList().
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private |
Keep a reference to our database to stop it being deleted.
Definition at line 45 of file glass_metadata.h.
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private |
The prefix that all returned keys must have.
Definition at line 53 of file glass_metadata.h.
Referenced by get_termname(), GlassMetadataTermList(), next(), and skip_to().