com.liferay.change.tracking.internal.reference.TableUtil Maven / Gradle / Ivy

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.change.tracking.internal.reference;

import com.liferay.petra.sql.dsl.Column;
import com.liferay.petra.sql.dsl.Table;

import java.util.Objects;

/**
 * @author Preston Crary
 */
public class TableUtil {

	@SuppressWarnings("unchecked")
	public static > Column getPrimaryKeyColumn(
		Table table) {

		for (Column column : table.getColumns()) {
			if (column.isPrimaryKey() &&
				!Objects.equals(column.getName(), "ctCollectionId") &&
				Long.class.isAssignableFrom(column.getJavaType())) {

				return (Column)column;
			}
		}

		return null;
	}

}