/* * Copyright 2006-2012 Amazon Technologies, Inc. or its affiliates. * Amazon, Amazon.com and Carbonado are trademarks or registered trademarks * of Amazon Technologies, Inc. or its affiliates. All rights reserved. * * Licensed 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 com.amazon.carbonado; import java.lang.annotation.*; /** * List of alternate keys for a {@link Storable}. * *

Example:

 * @AlternateKeys({
 *     @Key("fullPath")
 *     @Key({"+name", "-parentID"})
 * })
 * @PrimaryKey("ID")
 * public interface FileInfo extends Storable<FileInfo> {
 *     long getID();
 *     void setID(long id);
 *
 *     String getFullPath();
 *     void setFullPath(String path);
 *
 *     String getName();
 *     void setName(String name);
 *
 *     long getParentID();
 *     void setParentID(long id);
 *
 *     ...
 * }
 * 
* * @author Brian S O'Neill * @see Key */ @Documented @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.TYPE}) public @interface AlternateKeys { /** * A list of Key annotations. */ Key[] value() default {}; }