| package org.apache.rya.api.instance; |
| |
| /* |
| * 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 edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| /** |
| * Provides access to the {@link RyaDetails} information that describes |
| * an instance of Rya. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public interface RyaDetailsRepository { |
| |
| /** |
| * Check whether the details for this instance of Rya have been initialized or not. |
| * |
| * @return {@code true} if it has been initialized; otherwise {@code false}. |
| * @throws RyaDetailsRepositoryException Something caused this operation to fail. |
| */ |
| public boolean isInitialized() throws RyaDetailsRepositoryException; |
| |
| /** |
| * Initializes the {@link RyaDetails} that is stored for an instance of Rya. |
| * |
| * @param details - A Rya instance's details at installation time. (not null) |
| * @throws AlreadyInitializedException This repository has already been initialized. |
| * @throws RyaDetailsRepositoryException Something caused this operation to fail. |
| */ |
| public void initialize(RyaDetails details) throws AlreadyInitializedException, RyaDetailsRepositoryException; |
| |
| /** |
| * Get the {@link RyaDetails} that describe this instance of Rya. |
| * |
| * @return The details that describe this instance of Rya. |
| * @throws NotInitializedException The Rya instance's details have not been initialized yet. |
| * @throws RyaDetailsRepositoryException Something caused this operation to fail. |
| */ |
| public RyaDetails getRyaInstanceDetails() throws NotInitializedException, RyaDetailsRepositoryException; |
| |
| /** |
| * Update the {@link RyaDetails} that describe this instance of Rya. |
| * |
| * @param oldDetails - The copy of the details that have been updated. (not null) |
| * @param newDetails - The updated details. (not null) |
| * @throws NotInitializedException The Rya instance's details have not been initialized yet. |
| * @throws ConcurrentUpdateException An update couldn't be performed because |
| * the old state of the object no longer matches the current state. |
| * @throws RyaDetailsRepositoryException Something caused this operation to fail. |
| */ |
| public void update(RyaDetails oldDetails, RyaDetails newDetails) throws NotInitializedException, ConcurrentUpdateException, RyaDetailsRepositoryException; |
| |
| /** |
| * The root exception of all {@link RyaDetailsRepository} operations. |
| */ |
| public static class RyaDetailsRepositoryException extends Exception { |
| private static final long serialVersionUID = 1L; |
| |
| public RyaDetailsRepositoryException(final String message) { |
| super(message); |
| } |
| |
| public RyaDetailsRepositoryException(final String message, final Throwable cause) { |
| super(message, cause); |
| } |
| } |
| |
| /** |
| * You can not initialize a {@link RyaDetailsRepository} that has already |
| * been initialized. |
| */ |
| public static class AlreadyInitializedException extends RyaDetailsRepositoryException { |
| private static final long serialVersionUID = 1L; |
| |
| public AlreadyInitializedException(final String message) { |
| super(message); |
| } |
| } |
| |
| /** |
| * Some methods of {@link RyaDetailsRepository} may only be invoked after |
| * it has been initialized. |
| */ |
| public static class NotInitializedException extends RyaDetailsRepositoryException { |
| private static final long serialVersionUID = 1L; |
| |
| public NotInitializedException(final String message) { |
| super(message); |
| } |
| |
| public NotInitializedException(final String message, final Throwable cause) { |
| super(message, cause); |
| } |
| } |
| |
| /** |
| * An update couldn't be performed because the old state of the object no |
| * longer matches the current state. |
| */ |
| public static class ConcurrentUpdateException extends RyaDetailsRepositoryException { |
| private static final long serialVersionUID = 1L; |
| |
| public ConcurrentUpdateException(final String message) { |
| super(message); |
| } |
| } |
| } |