Package org.z3950.zing.cql

Interface Summary

CQLTokenizer

API bridge between the parser and lexer implementation

Class Summary

CQLAndNode	Represents an AND node in a CQL parse-tree.
CQLBooleanNode	Represents a boolean node in a CQL parse-tree.
CQLGenerator	A generator that produces random CQL queries.
CQLLexer	Implementation of the CQL lexical syntax analyzer
CQLNode	Represents a node in a CQL parse-tree.
CQLNotNode	Represents a NOT node in a CQL parse-tree.
CQLOrNode	Represents an OR node in a CQL parse-tree.
CQLParser	Compiles CQL strings into parse trees of CQLNode subtypes.
CQLPrefix	Represents a CQL prefix mapping from short name to long identifier.
CQLPrefixNode	Represents a prefix node in a CQL parse-tree.
CQLProxNode	Represents a proximity node in a CQL parse-tree.
CQLRelation	Represents a relation between a CQL index and term.
CQLSortNode	Represents a sort node in a CQL parse-tree.
CQLTermNode	Represents a terminal node in a CQL parse-tree.
Modifier	Represents a single modifier, consisting of three elements: a type, a comparision and a value.
ModifierSet	Represents a base String and a set of Modifiers.

Exception Summary

CQLParseException	Exception indicating that an error ocurred parsing CQL.
MissingParameterException	Exception indicating that a required property was not specified.
PQFTranslationException	Base class for exceptions occurring when translating parse trees to PQF.
UnknownIndexException	Exception indicating that an index was not recognised.
UnknownPositionException	Exception indicating that a position was not recognised.
UnknownRelationException	Exception indicating that a relation was not recognised.
UnknownRelationModifierException	Exception indicating that a relation modifier was not recognised.