| /** |
| * 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.apache.metamodel.jdbc; |
| |
| import java.io.ObjectStreamException; |
| import java.util.List; |
| |
| import org.apache.metamodel.schema.Column; |
| import org.apache.metamodel.schema.MutableTable; |
| import org.apache.metamodel.schema.Relationship; |
| import org.apache.metamodel.schema.Schema; |
| import org.apache.metamodel.schema.TableType; |
| |
| /** |
| * Table implementation that is based on JDBC metadata. |
| * |
| * @author Kasper Sørensen |
| */ |
| final class JdbcTable extends MutableTable { |
| |
| private static final long serialVersionUID = 5952310469458880330L; |
| |
| private final transient MetadataLoader _metadataLoader; |
| |
| public JdbcTable(String name, TableType type, JdbcSchema schema, MetadataLoader metadataLoader) { |
| super(name, type, schema); |
| _metadataLoader = metadataLoader; |
| } |
| |
| @Override |
| protected List<Column> getColumnsInternal() { |
| if (_metadataLoader != null) { |
| _metadataLoader.loadColumns(this); |
| } |
| return super.getColumnsInternal(); |
| } |
| |
| @Override |
| protected List<Relationship> getRelationshipsInternal() { |
| Schema schema = getSchema(); |
| if (schema instanceof JdbcSchema) { |
| ((JdbcSchema) schema).loadRelations(); |
| } |
| return super.getRelationshipsInternal(); |
| } |
| |
| protected void loadIndexes() { |
| if (_metadataLoader != null) { |
| _metadataLoader.loadIndexes(this); |
| } |
| } |
| |
| /** |
| * Called by the Java Serialization API to serialize the object. |
| */ |
| private Object writeReplace() throws ObjectStreamException { |
| getColumns(); |
| loadIndexes(); |
| loadPrimaryKeys(); |
| return this; |
| } |
| |
| public void loadPrimaryKeys() { |
| if (_metadataLoader != null) { |
| _metadataLoader.loadPrimaryKeys(this); |
| } |
| } |
| } |