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## com.google.appengine.api.search.query
Class QueryTreeBuilder

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

    public class QueryTreeBuilder

extends java.lang.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
`QueryTreeBuilder()`
`QueryTreeBuilder(QueryParserFactory parserFactory)`

Method Summary
`CommonTree` | `parse(java.lang.String query)` Parses the user query and returns a CommonTree.

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 CommonTree parse(java.lang.String query)
                     throws RecognitionException

  Parses the user query and returns a CommonTree.

  Parameters:
    `query` - the user query to be parsed
  Returns:
    a CommonTree constructed from the query
  Throws:
    `RecognitionException` - if the user query is invalid
    `java.lang.NullPointerException` - if query is null

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