QueryTreeBuilder (AppEngine :: appengine-apis 2.0.16 API)

java.lang.Object
- com.google.appengine.api.search.query.QueryTreeBuilder

```
public class QueryTreeBuilder
extends Object
```
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.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  QueryTreeBuilder()
  
  QueryTreeBuilder(QueryParserFactory parserFactory)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  org.antlr.runtime.tree.CommonTree parse(String query)
  Parses the user query and returns its AST.
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - QueryTreeBuilder
```
public QueryTreeBuilder()
```
  - QueryTreeBuilder
```
public QueryTreeBuilder(QueryParserFactory parserFactory)
```
- Method Detail
  - parse
```
public org.antlr.runtime.tree.CommonTree parse(String query)
                                        throws org.antlr.runtime.RecognitionException
```
    Parses the user query and returns its AST.
    
    Parameters:
    
    query - the user query to be parsed
    
    Returns:
    
    a CommonTree constructed from the query
    
    Throws:
    
    org.antlr.runtime.RecognitionException - if the user query is invalid
    
    NullPointerException - if query is null