/*
* Copyright 2009 Niclas Hedhman.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.index.rdf.query;
import org.openrdf.query.QueryLanguage;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.service.ServiceComposite;
import org.qi4j.api.service.qualifier.Tagged;
import org.qi4j.api.value.ValueSerialization;
import org.qi4j.api.value.ValueSerializer;
import org.qi4j.index.rdf.UnsupportedLanguageException;
import org.qi4j.index.rdf.query.internal.RdfQueryParserImpl;
import org.qi4j.spi.Qi4jSPI;
@Mixins( RdfQueryParserFactory.RdfQueryParserFactoryMixin.class )
public interface RdfQueryParserFactory
extends ServiceComposite
{
RdfQueryParser newQueryParser( QueryLanguage language );
abstract class RdfQueryParserFactoryMixin
implements RdfQueryParserFactory
{
@Structure
private Qi4jSPI spi;
@Service
@Tagged( ValueSerialization.Formats.JSON )
private ValueSerializer valueSerializer;
@Override
public RdfQueryParser newQueryParser( QueryLanguage language )
{
if( language.equals( QueryLanguage.SPARQL ) )
{
return new RdfQueryParserImpl( spi, valueSerializer );
}
throw new UnsupportedLanguageException( language );
}
}
}