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https://github.com/scm-manager/scm-manager.git
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0a26741ebd
Before this change the search uses a single index which distinguishes types (repositories, users, etc.) with a field (_type).
But it has turned out that this could lead to problems, in particular if different types have the same field and uses different analyzers for those fields. The following links show even more problems of a combined index:
https://www.elastic.co/blog/index-vs-type
https://www.elastic.co/guide/en/elasticsearch/reference/6.0/removal-of-types.html
With this change every type becomes its own index and the SearchEngine gets an api to modify multiple indices at once to remove all documents from all indices, which are related to a specific repository, for example.
The search uses another new api to coordinate the indexing, the central work queue.
The central work queue is able to coordinate long-running or resource intensive tasks. It is able to run tasks in parallel, but can also run tasks which targets the same resources in sequence. The queue is also persistent and can restore queued tasks after restart.
Co-authored-by: Konstantin Schaper <konstantin.schaper@cloudogu.com>
108 lines
3.1 KiB
Java
108 lines
3.1 KiB
Java
/*
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* MIT License
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*
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* Copyright (c) 2020-present Cloudogu GmbH and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package sonia.scm.user;
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import com.github.legman.Subscribe;
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import com.google.common.annotations.VisibleForTesting;
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import sonia.scm.plugin.Extension;
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import sonia.scm.search.HandlerEventIndexSyncer;
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import sonia.scm.search.Id;
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import sonia.scm.search.Index;
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import sonia.scm.search.IndexLogStore;
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import sonia.scm.search.Indexer;
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import sonia.scm.search.SearchEngine;
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import sonia.scm.search.SerializableIndexTask;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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@Extension
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@Singleton
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public class UserIndexer implements Indexer<User> {
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@VisibleForTesting
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static final int VERSION = 1;
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private final SearchEngine searchEngine;
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@Inject
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public UserIndexer(SearchEngine searchEngine) {
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this.searchEngine = searchEngine;
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}
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@Override
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public Class<User> getType() {
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return User.class;
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}
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@Override
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public int getVersion() {
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return VERSION;
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}
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@Override
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public Class<? extends ReIndexAllTask<User>> getReIndexAllTask() {
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return ReIndexAll.class;
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}
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@Override
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public SerializableIndexTask<User> createStoreTask(User user) {
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return index -> store(index, user);
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}
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@Override
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public SerializableIndexTask<User> createDeleteTask(User item) {
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return index -> index.delete().byId(Id.of(item));
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}
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@Subscribe(async = false)
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public void handleEvent(UserEvent event) {
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new HandlerEventIndexSyncer<>(searchEngine, this).handleEvent(event);
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}
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private static void store(Index<User> index, User user) {
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index.store(Id.of(user), UserPermissions.read(user).asShiroString(), user);
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}
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public static class ReIndexAll extends ReIndexAllTask<User> {
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private final UserManager userManager;
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@Inject
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public ReIndexAll(IndexLogStore logStore, UserManager userManager) {
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super(logStore, User.class, VERSION);
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this.userManager = userManager;
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}
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@Override
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public void update(Index<User> index) {
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index.delete().all();
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for (User user : userManager.getAll()) {
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store(index, user);
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}
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}
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}
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}
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