SearchEndpoint.h File Reference

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Enumerations
enum	SearchEndpoint {   SEARCH_UNBOUNDED_LOWER = '-', SEARCH_OPEN_LOWER = '(', SEARCH_CLOSED_LOWER = '[', SEARCH_OPEN_UPPER = ')',   SEARCH_CLOSED_UPPER = ']', SEARCH_UNBOUNDED_UPPER = '+' }
	SearchEndpoint defines directives used to control a search in an ordered associative data structure such as a BTree. More...

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Enumeration Type Documentation

enum SearchEndpoint

SearchEndpoint defines directives used to control a search in an ordered associative data structure such as a BTree.

An endpoint is associated with a particular key value.

NOTE jvs 23-Jan-2006: any changes made here must be applied to net.sf.farrago.query.FennelSearchEndpoint as well.

Author:

John V. Sichi

Version:

Id

//open/dev/fennel/common/SearchEndpoint.h#5

Enumerator:

SEARCH_UNBOUNDED_LOWER	Defines the beginning of an interval which is unbounded below. The associated key value should be all null.
SEARCH_OPEN_LOWER	Defines the beginning of an interval which has an open bound below.
SEARCH_CLOSED_LOWER	Defines the beginning of an interval which has a closed bound below.
SEARCH_OPEN_UPPER	Defines the end of an interval which has an open bound above.
SEARCH_CLOSED_UPPER	Defines the end of an interval which has a closed bound above.
SEARCH_UNBOUNDED_UPPER	Defines the end of an interval which is unbounded above. The associated key value should be all null.

Definition at line 41 of file SearchEndpoint.h.

{
    SEARCH_UNBOUNDED_LOWER = '-',

    SEARCH_OPEN_LOWER = '(',

    SEARCH_CLOSED_LOWER = '[',

    SEARCH_OPEN_UPPER = ')',

    SEARCH_CLOSED_UPPER = ']',

    SEARCH_UNBOUNDED_UPPER = '+',
};

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