/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
*
* 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.jkiss.dbeaver.model.impl.data.transformers;
import org.jkiss.code.NotNull;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.model.DBUtils;
import org.jkiss.dbeaver.model.data.DBDAttributeBinding;
import org.jkiss.dbeaver.model.data.DBDAttributeTransformer;
import org.jkiss.dbeaver.model.exec.DBCSession;
import org.jkiss.dbeaver.model.struct.DBSDataType;
import org.jkiss.dbeaver.model.struct.DBSEntity;
import org.jkiss.dbeaver.model.struct.DBSTypedObjectEx;
import java.util.List;
import java.util.Map;
/**
* Transforms attribute of array type into hierarchy of attributes
*/
public class ArrayAttributeTransformer implements DBDAttributeTransformer {
@Override
public void transformAttribute(@NotNull DBCSession session, @NotNull DBDAttributeBinding attribute, @NotNull List<Object[]> rows, @NotNull Map<String, String> options) throws DBException {
DBSDataType collectionType;
if (attribute.getAttribute() instanceof DBSTypedObjectEx) {
collectionType = ((DBSTypedObjectEx) attribute.getAttribute()).getDataType();
} else {
collectionType = DBUtils.resolveDataType(session.getProgressMonitor(), session.getDataSource(), attribute.getTypeName());
}
if (collectionType != null) {
DBSDataType componentType = collectionType.getComponentType(session.getProgressMonitor());
if (componentType instanceof DBSEntity) {
ComplexTypeAttributeTransformer.createNestedTypeBindings(session, attribute, rows, (DBSEntity) componentType);
return;
}
}
// No component type found.
// Array items should be resolved in a lazy mode
MapAttributeTransformer.resolveMapsFromData(session, attribute, rows);
}
}