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public interface ExpressionParser
Parser for query languages that will be used by a ExpressionQuery
.
A QueryParser is responsible for translating from some string-based query
language into Expression
s. Parsers should be stateless.
Method Summary | |
---|---|
QueryExpressions |
eval(Object parsed,
ExpressionStoreQuery query,
ExpressionFactory factory,
ClassMetaData candidate)
Parse the given query string. |
Value[] |
eval(String[] vals,
ExpressionStoreQuery query,
ExpressionFactory factory,
ClassMetaData candidate)
Parse the given value clauses. |
String |
getLanguage()
Return a string key describing the language that this instance parses. |
Object |
parse(String ql,
ExpressionStoreQuery query)
Return a parsed intermediate form of the given query string. |
void |
populate(Object parsed,
ExpressionStoreQuery query)
Use the parsed query form to set information such as candidate type, result type, etc that was encoded in the query string. |
Method Detail |
---|
String getLanguage()
Object parse(String ql, ExpressionStoreQuery query)
void populate(Object parsed, ExpressionStoreQuery query)
QueryExpressions eval(Object parsed, ExpressionStoreQuery query, ExpressionFactory factory, ClassMetaData candidate)
Value[] eval(String[] vals, ExpressionStoreQuery query, ExpressionFactory factory, ClassMetaData candidate)
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