Class QueryTreeBuilder (2.0.0)

public class QueryTreeBuilder

A generator of AST representation of a query. This class uses the given factory to produce a query parser which parses user specified query. If successful it returns the root of an AST representing the parsed query.

Inheritance

java.lang.Object > QueryTreeBuilder

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Constructors

QueryTreeBuilder()

public QueryTreeBuilder()

QueryTreeBuilder(QueryParserFactory parserFactory)

public QueryTreeBuilder(QueryParserFactory parserFactory)

Parameter
Name	Description
parserFactory	QueryParserFactory

Methods

parse(String query)

public CommonTree parse(String query)

Parses the user query and returns its AST.

Parameter
Name	Description
query	String the user query to be parsed

Returns
Type	Description
org.antlr.runtime.tree.CommonTree	a CommonTree constructed from the query

Exceptions
Type	Description
org.antlr.runtime.RecognitionException	if the user query is invalid