CreateTypeChange.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package liquibase.ext.opennms.createtype;

import java.util.ArrayList;
import java.util.List;

import liquibase.change.AbstractChange;
import liquibase.change.ChangeMetaData;
import liquibase.change.ChangeWithColumns;
import liquibase.change.ColumnConfig;
import liquibase.database.Database;
import liquibase.database.core.PostgresDatabase;
import liquibase.statement.SqlStatement;

public class CreateTypeChange extends AbstractChange implements ChangeWithColumns {

	private String m_typeName;
	private List<ColumnConfig> m_columns = new ArrayList<ColumnConfig>();

	public CreateTypeChange() {
		super("createType", "Create a new column type.", ChangeMetaData.PRIORITY_DEFAULT);
	}

    public boolean supports(final Database database) {
    	return database instanceof PostgresDatabase;
    }

	public String getName() {
		return m_typeName;
	}
	
	public void setName(final String name) {
		m_typeName = name;
	}

	public void addColumn(final ColumnConfig column) {
		m_columns.add(column);
	}

	public List<ColumnConfig> getColumns() {
		return m_columns;
	}

	public SqlStatement[] generateStatements(final Database database) {
		final CreateTypeStatement statement = new CreateTypeStatement(m_typeName);
		for (final ColumnConfig column : m_columns) {
			statement.addColumn(column.getName(), column.getType());
		}
		return new SqlStatement[] {
				statement
		};
	}

    public String getConfirmationMessage() {
        return "Type " + getName() + " created";
    }

}