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UpdateQueryParser.java
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UpdateQueryParser.java
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/*
*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
*
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
*
* Otavio Santana
*
*/
package org.eclipse.jnosql.communication.semistructured;
import org.eclipse.jnosql.communication.Params;
import org.eclipse.jnosql.communication.QueryException;
import org.eclipse.jnosql.communication.query.JSONQueryValue;
import org.eclipse.jnosql.communication.query.QueryCondition;
import org.eclipse.jnosql.communication.query.UpdateQuery;
import org.eclipse.jnosql.communication.query.UpdateQueryConverter;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
final class UpdateQueryParser extends ConditionQueryParser {
Stream<CommunicationEntity> query(String query, DatabaseManager manager, CommunicationObserverParser observer) {
UpdateQueryConverter converter = new UpdateQueryConverter();
UpdateQuery updateQuery = converter.apply(query);
Params params = Params.newParams();
CommunicationEntity entity = getEntity(params, updateQuery, observer);
if (params.isNotEmpty()) {
throw new QueryException("To run a query with a parameter use a PrepareStatement instead.");
}
return Stream.of(manager.update(entity));
}
CommunicationPreparedStatement prepare(String query, DatabaseManager manager, CommunicationObserverParser observer) {
Params params = Params.newParams();
UpdateQueryConverter converter = new UpdateQueryConverter();
UpdateQuery updateQuery = converter.apply(query);
CommunicationEntity entity = getEntity(params, updateQuery, observer);
return CommunicationPreparedStatement.update(entity, params, query, manager);
}
private CommunicationEntity getEntity(Params params, UpdateQuery updateQuery, CommunicationObserverParser observer) {
String columnFamily = observer.fireEntity(updateQuery.entity());
return getEntity(new UpdateQueryConditionSupplier(updateQuery), columnFamily, params, observer);
}
private record UpdateQueryConditionSupplier(UpdateQuery query) implements ConditionQuerySupplier {
@Override
public List<QueryCondition> conditions() {
return query.conditions();
}
@Override
public Optional<JSONQueryValue> value() {
return query.value();
}
}
}