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Liquibase extension for hibernate integration including generating changesets based on changed hibernate mapping files

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package liquibase.ext.hibernate.snapshot;

import liquibase.exception.DatabaseException;
import liquibase.snapshot.DatabaseSnapshot;
import liquibase.snapshot.InvalidExampleException;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.Catalog;
import liquibase.structure.core.Schema;

/**
 * Hibernate doesn't really support Schemas, so just return the passed example back as if it had all the info it needed.
 */
public class SchemaSnapshotGenerator extends HibernateSnapshotGenerator {

    public SchemaSnapshotGenerator() {
        super(Schema.class, new Class[]{Catalog.class});
    }

    @Override
    protected DatabaseObject snapshotObject(DatabaseObject example, DatabaseSnapshot snapshot) throws DatabaseException, InvalidExampleException {
        return new Schema(snapshot.getDatabase().getDefaultCatalogName(), snapshot.getDatabase().getDefaultSchemaName()).setDefault(true);
    }

    @Override
    protected void addTo(DatabaseObject foundObject, DatabaseSnapshot snapshot) throws DatabaseException, InvalidExampleException {
        // Nothing to do
    }

}