| /* |
| * 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. |
| */ |
| |
| package org.netbeans.modules.dbschema; |
| |
| import java.io.*; |
| |
| /** Superclass for containable database metadata members |
| * (columns, indexes, and foreign keys). Provides support |
| * for associating this element with a declaring table. |
| */ |
| public abstract class DBMemberElement extends DBElement implements Cloneable { |
| /** the table to which this element belongs */ |
| private TableElement declaringTable; |
| |
| /** Default constructor |
| */ |
| protected DBMemberElement() { |
| } |
| |
| /** Creates a member element. |
| * @param impl the pluggable implementation |
| * @param declaringTable the table to which this element belongs, or |
| * <code>null</code> if unattached |
| */ |
| protected DBMemberElement(Impl impl, TableElement declaringTable) { |
| super(impl); |
| this.declaringTable = declaringTable; |
| } |
| |
| /** Returns the implementation of the element. |
| * @return the current implementation. |
| */ |
| final Impl getMemberImpl() { |
| return (Impl) getElementImpl(); |
| } |
| |
| /* This should be automatically synchronized |
| * when a DBMemberElement is added to the table. */ |
| |
| /** Gets the declaring table. |
| * @return the table that owns this member element, or <code>null</code> |
| * if the element is not attached to any table |
| */ |
| public TableElement getDeclaringTable() { |
| return declaringTable; |
| } |
| |
| /** Sets the declaring table. |
| * @param te the table that owns this member element |
| */ |
| public void setDeclaringTable(TableElement te) { |
| if (declaringTable == null) |
| declaringTable = te; |
| } |
| |
| /** Pluggable implementation of member elements. |
| * @see DBMemberElement |
| */ |
| public interface Impl extends DBElement.Impl { |
| } |
| |
| /** Default implementation of the Impl interface. |
| * It just holds the property values. |
| */ |
| static abstract class Memory extends DBElement.Memory implements DBMemberElement.Impl { |
| /** Default */ |
| public Memory() { |
| super(); |
| } |
| |
| /** Copy */ |
| public Memory(DBMemberElement el) { |
| super(el); |
| } |
| } |
| } |