| Class | Description |
|---|---|
| LocalSearchService |
Local Prospective Search service using in-memory O(n) subscription
management.
|
| ProspectiveSearchReservedKinds |
Exposes constants for reserved datastore kinds used by the local datastore
service.
|
| QueryEvaluator |
The QueryEvaluator class performs a full visit of the query tree,
dispatching leaf evaluations to the QueryEngine.
|
<DEFAULT> SKIP : {
" "
| "\t"
| "\n"
| "\r"
| "\r\n"
}
|
<DEFAULT> TOKEN : {
<DOT: ".">
| <COLON: ":">
| <EQUALS: "=">
| <EQUALSEQUALS: "==">
| <LPAREN: "(">
| <RPAREN: ")">
| <AND: "AND">
| <OR: "OR" | "|">
| <NOT: "-" | "NOT">
| <LESS: "<">
| <GREATER: ">">
| <LESSOREQUALS: "<=" | "=<">
| <GREATEROREQUALS: ">=" | "=>">
| <#DIGIT: ["0"-"9"]>
| <#DIGITS: (<DIGIT>)+>
| <NUMBER: ("-" | "+")? (<DIGITS> (<DOT> <DIGITS>)? | <DOT> <DIGITS>)>
| <ELIPSIS: ".." | "...">
| <NUMBERRANGE: <NUMBER> <ELIPSIS> <NUMBER>>
| <#NOTSPECIAL: ~[":","=","(",")","{","}","|","-","<",">"," ","\""]>
| <TEXT: <NOTSPECIAL> (<NOTSPECIAL> | "-")*>
| <STRING_LITERAL: "\"" (~["\""])* "\"">
}
|
/** * Root production for syntax like (x AND y OR b AND (a b)), terminals * handled by QueryTerm(). */ |
||
| QueryExpr | ::= | QueryTerm ( <AND> QueryTerm | <OR> QueryTerm | QueryTerm )* <EOF> |
/** * Production for query terms, e.g.: * * -a * a:b * (a:b -c) */ |
||
| QueryTerm | ::= | <NOT> QueryTerm |
| | | <TEXT> ( Op QueryValue )? | |
| | | <LPAREN> QueryExpr <RPAREN> | |
/** * Production for query operator, e.g. the ":" in: * * a:b * where ":" may also be: =, ==, <, <=, >, >=. */ |
||
| Op | ::= | ( <COLON> | <EQUALS> | <EQUALSEQUALS> | <LESS> | <GREATER> | <LESSOREQUALS> | <GREATEROREQUALS> ) |
/** * Production to recognize the query text, which may also be a number * range or a nested boolean query just on that field, e.g.: * * a:b AND a:c * * may be: * * a:(b AND c) */ |
||
| QueryValue | ::= | <TEXT> |
| | | <STRING_LITERAL> | |
| | | ( <NUMBER> ( <ELIPSIS> <NUMBER> )? ) | |
| | | <LPAREN> FieldQueryExpr <RPAREN> | |
/** * Production to recognize the inner field query text, otherwise * similar to QueryExpr. */ |
||
| FieldQueryExpr | ::= | FieldTerm ( <AND> FieldTerm | <OR> FieldTerm | FieldTerm )* |
/** * Production to recognize the inner field terms, otherwise * similar to QueryTerm. */ |
||
| FieldTerm | ::= | <NOT> FieldTerm |
| | | <TEXT> | |
| | | <STRING_LITERAL> | |
| | | <LPAREN> FieldQueryExpr <RPAREN> |