Interface QueryObjectModelBuilder
- All Known Implementing Classes:
SQL2QOMBuilder
public interface QueryObjectModelBuilder
QueryObjectModelBuilder defines an interface for building a
query object model from a string based query statement and vice versa.-
Method Summary
Modifier and TypeMethodDescriptionbooleanReturnstrueif this QOM builder can handle a statement inlanguage.createQueryObjectModel(String statement, QueryObjectModelFactory qf, ValueFactory vf) Creates a new query object model from the givenstatementusing the passed QOM and value factory.String[]Returns the set of query languages supported by this builder.toString(QueryObjectModel qom) Creates a String representation of the query object model in the syntax thisQueryObjectModelBuildercan handle.
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Method Details
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createQueryObjectModel
QueryObjectModel createQueryObjectModel(String statement, QueryObjectModelFactory qf, ValueFactory vf) throws InvalidQueryException, RepositoryException Creates a new query object model from the givenstatementusing the passed QOM and value factory.- Parameters:
statement- the query statement.qf- the query object model factory.vf- the value factory.- Returns:
- the query object model for the given statement.
- Throws:
InvalidQueryException- if the statement is invalid.RepositoryException- if another error occurs.
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canHandle
Returnstrueif this QOM builder can handle a statement inlanguage.- Parameters:
language- the language of a query statement to build a QOM.- Returns:
trueif this builder can handlelanguage;falseotherwise.
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getSupportedLanguages
String[] getSupportedLanguages()Returns the set of query languages supported by this builder.- Returns:
- String array containing the names of the supported languages.
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toString
Creates a String representation of the query object model in the syntax thisQueryObjectModelBuildercan handle.- Parameters:
qom- the query object model.- Returns:
- a String representation of the QOM.
- Throws:
InvalidQueryException- if the query object model cannot be converted into a String representation due to restrictions in this syntax.
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