001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc; 019 020import java.util.List; 021 022/** 023 * Represents a foreign key constraint on a table. 024 * 025 * @author Paul Ferraro 026 * @since 1.1 027 */ 028public interface ForeignKeyConstraint extends Constraint<ForeignKeyConstraint> 029{ 030 /** 031 * @return the foreign table of this foreign key 032 */ 033 QualifiedName getForeignTable(); 034 035 /** 036 * @return the foreign column of this foreign key 037 */ 038 List<String> getForeignColumnList(); 039 040 /** 041 * @return Returns the deleteRule. 042 */ 043 int getDeleteRule(); 044 045 /** 046 * @return Returns the updateRule. 047 */ 048 int getUpdateRule(); 049 050 /** 051 * @return Returns the deferrability. 052 */ 053 int getDeferrability(); 054}