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package org.apache.cayenne.unit.di.server;
import org.apache.cayenne.configuration.ConfigurationTree;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.configuration.XMLDataChannelDescriptorLoader;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.di.Injector;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.resource.URLResource;
import org.apache.cayenne.unit.UnitDbAdapter;
import java.net.URL;
import java.sql.SQLException;
import java.util.List;
public class DBCleaner {
private FlavoredDBHelper dbHelper;
private String location;
@Inject
private SchemaBuilder schemaBuilder;
@Inject
private UnitDbAdapter accessStackAdapter;
@Inject
private Injector injector;
public DBCleaner(FlavoredDBHelper dbHelper, String location) {
this.dbHelper = dbHelper;
this.location = location;
}
public void clean() throws SQLException {
XMLDataChannelDescriptorLoader loader = new XMLDataChannelDescriptorLoader();
injector.injectMembers(loader);
URL url = getClass().getClassLoader().getResource(location);
ConfigurationTree<DataChannelDescriptor> tree = loader.load(new URLResource(url));
for (DataMap map : tree.getRootNode().getDataMaps()) {
List<DbEntity> entities = schemaBuilder.dbEntitiesInDeleteOrder(map);
for (DbEntity entity : entities) {
dbHelper.deleteAll(entity.getName());
}
}
}
}