Package org.terrier.querying.parser

Provides the parser specification and the classes that implement the query language of the Terrier platform.

Interface Summary

Interface	Description
Query.ForEachQueryNode	ForEachQueryNode interface
TerrierQLParserConstants	Token literal values and constants.

Class Summary

Class	Description
DisjunctiveQuery	Models a disjunctive choice in single term queries in a query.
ExplicitMultiTermQuery	MultiTermQuery where it is denoted by ( ) notation
FieldQuery	Models a query qualified with a field.
MultiTermQuery	Represents a query consisting of more than one terms or other sub-queries, qualified with field, requirement or phrase operators.
PhraseQuery	Models a phrase query, which can have a proximity requirement.
Query	An abstract class that models a query, that consists of subqueries and query terms.
Query.QTPBuilder
Query.QueryTermsParameter
QueryParser	Useful class to parse the query.
RequirementQuery	Models a query where the query terms have been qualified with a requirement operator, either plus, or minus.
SegmentQuery	Used to represent a particular segement of the query terms
SimpleCharStream	An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
SingleTermQuery	Models a query of a single term.
TerrierQLParser
TerrierQLParserTokenManager	Token Manager.
Token	Describes the input token stream.

Exception Summary

Exception	Description
ParseException	This exception is thrown when parse errors are encountered.
QueryParserException	Thrown by the Manager when it cannot parse the query

Error Summary

Error	Description
TokenMgrError	Token Manager Error.