| package org.apache.ddlutils.model; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.lang.enums.ValuedEnum; |
| |
| /** |
| * Represents the different cascade actions for the <code>onDelete</code> and |
| * <code>onUpdate</code> properties of {@link ForeignKey}. |
| * |
| * @version $Revision: $ |
| */ |
| public class CascadeActionEnum extends ValuedEnum |
| { |
| /** The integer value for the enum value for a cascade action. */ |
| public static final int VALUE_CASCADE = 1; |
| /** The integer value for the enum value for a set-null action. */ |
| public static final int VALUE_SET_NULL = 2; |
| /** The integer value for the enum value for a set-null action. */ |
| public static final int VALUE_SET_DEFAULT = 3; |
| /** The integer value for the enum value for a restrict action. */ |
| public static final int VALUE_RESTRICT = 4; |
| /** The integer value for the enum value for no-action. */ |
| public static final int VALUE_NONE = 5; |
| |
| /** The enum value for a cascade action which directs the database to apply the change to |
| the referenced table also to this table. E.g. if the referenced row is deleted, then |
| the local one will also be deleted when this value is used for the onDelete action. */ |
| public static final CascadeActionEnum CASCADE = new CascadeActionEnum("cascade", VALUE_CASCADE); |
| /** The enum value for a cascade action which directs the database to set the local columns |
| referenced by the foreign key to null when the referenced row changes/is deleted. */ |
| public static final CascadeActionEnum SET_NULL = new CascadeActionEnum("setnull", VALUE_SET_NULL); |
| /** The enum value for a cascade action which directs the database to set the local columns |
| referenced by the foreign key to the default value when the referenced row changes/is deleted. */ |
| public static final CascadeActionEnum SET_DEFAULT = new CascadeActionEnum("setdefault", VALUE_SET_DEFAULT); |
| /** The enum value for a cascade action which directs the database to restrict the change |
| changes to the referenced column. The interpretation of this is database-dependent, but it is |
| usually the same as {@link #NONE}. */ |
| public static final CascadeActionEnum RESTRICT = new CascadeActionEnum("restrict", VALUE_RESTRICT); |
| /** The enum value for the cascade action that directs the database to not change the local column |
| when the value of the referenced column changes, only check the foreign key constraint. */ |
| public static final CascadeActionEnum NONE = new CascadeActionEnum("none", VALUE_NONE); |
| |
| /** Version id for this class as relevant for serialization. */ |
| private static final long serialVersionUID = -6378050861446415790L; |
| |
| /** |
| * Creates a new enum object. |
| * |
| * @param defaultTextRep The textual representation |
| * @param value The corresponding integer value |
| */ |
| private CascadeActionEnum(String defaultTextRep, int value) |
| { |
| super(defaultTextRep, value); |
| } |
| |
| /** |
| * Returns the enum value that corresponds to the given textual |
| * representation. |
| * |
| * @param defaultTextRep The textual representation |
| * @return The enum value |
| */ |
| public static CascadeActionEnum getEnum(String defaultTextRep) |
| { |
| return (CascadeActionEnum)getEnum(CascadeActionEnum.class, defaultTextRep); |
| } |
| |
| /** |
| * Returns the enum value that corresponds to the given integer |
| * representation. |
| * |
| * @param intValue The integer value |
| * @return The enum value |
| */ |
| public static CascadeActionEnum getEnum(int intValue) |
| { |
| return (CascadeActionEnum)getEnum(CascadeActionEnum.class, intValue); |
| } |
| |
| /** |
| * Returns the map of enum values. |
| * |
| * @return The map of enum values |
| */ |
| public static Map getEnumMap() |
| { |
| return getEnumMap(CascadeActionEnum.class); |
| } |
| |
| /** |
| * Returns a list of all enum values. |
| * |
| * @return The list of enum values |
| */ |
| public static List getEnumList() |
| { |
| return getEnumList(CascadeActionEnum.class); |
| } |
| |
| /** |
| * Returns an iterator of all enum values. |
| * |
| * @return The iterator |
| */ |
| public static Iterator iterator() |
| { |
| return iterator(CascadeActionEnum.class); |
| } |
| } |