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Liquibase extension for hibernate 5 integration including generating changesets based on changed hibernate mapping files

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package liquibase.ext.hibernate.snapshot;

/*
 * #%L
 * Liquibase Hibernate 5 Integration
 * %%
 * Copyright (C) 2016 Liquibase.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.
 * #L%
 */

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

/**
 * View snapshots are not supported from hibernate, but this class needs to be
 * implemented in order to prevent the default ViewSnapshotGenerator from
 * running.
 */
public class ViewSnapshotGenerator extends HibernateSnapshotGenerator {

    public ViewSnapshotGenerator() {
        super(View.class, new Class[]{Schema.class});
    }

    @Override
    protected DatabaseObject snapshotObject(DatabaseObject example, DatabaseSnapshot snapshot) throws DatabaseException, InvalidExampleException {
        throw new DatabaseException("No views in Hibernate mapping");
    }

    @Override
    protected void addTo(DatabaseObject foundObject, DatabaseSnapshot snapshot) throws DatabaseException, InvalidExampleException {
        // No views in Hibernate mapping
    }

}