| /** |
| * 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.db.metadata.model.spi; |
| |
| import java.util.Collection; |
| import org.netbeans.modules.db.metadata.model.MetadataAccessor; |
| import org.netbeans.modules.db.metadata.model.api.Index; |
| import org.netbeans.modules.db.metadata.model.api.Index.IndexType; |
| import org.netbeans.modules.db.metadata.model.api.IndexColumn; |
| import org.netbeans.modules.db.metadata.model.api.Table; |
| |
| /** |
| * |
| * @author David Van Couvering |
| */ |
| public abstract class IndexImplementation { |
| private Index index; |
| |
| public final Index getIndex() { |
| if (index == null) { |
| index = MetadataAccessor.getDefault().createIndex(this); |
| } |
| return index; |
| |
| } |
| |
| public abstract Collection<IndexColumn> getColumns(); |
| |
| public abstract IndexColumn getColumn(String name); |
| |
| public abstract IndexType getIndexType(); |
| |
| public abstract String getName(); |
| |
| public abstract Table getParent(); |
| |
| public abstract boolean isUnique(); |
| } |