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Merge pull request #1870 from an1310/1521_m
#1521: Configure which fields are indexed in the Ditto search index per namespace pattern
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@@ -15,4 +15,4 @@ | |
| <option name="Make" enabled="true" /> | ||
| </method> | ||
| </configuration> | ||
| </component> | ||
| </component> | ||
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86 changes: 86 additions & 0 deletions
86
.../eclipse/ditto/internal/models/signalenrichment/SearchIndexingSignalEnrichmentFacade.java
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| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * Copyright (c) 2024 Contributors to the Eclipse Foundation | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information regarding copyright ownership. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0 | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| */ | ||
| package org.eclipse.ditto.internal.models.signalenrichment; | ||
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| import static org.eclipse.ditto.base.model.common.ConditionChecker.checkNotNull; | ||
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| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.Executor; | ||
| import java.util.regex.Pattern; | ||
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| import org.apache.pekko.japi.Pair; | ||
| import org.eclipse.ditto.internal.utils.cache.config.CacheConfig; | ||
| import org.eclipse.ditto.json.JsonFieldSelector; | ||
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| /** | ||
| * Extension of {@code DittoCachingSignalEnrichmentFacade} that allows a selected map of selected indexes grouped by | ||
| * namespace to be added to the signal enrichment cache. | ||
| */ | ||
| public final class SearchIndexingSignalEnrichmentFacade extends DittoCachingSignalEnrichmentFacade { | ||
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| private final List<Pair<Pattern, JsonFieldSelector>> selectedIndexes; | ||
| private final Map<String, JsonFieldSelector> selectedIndexesCache; | ||
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| private SearchIndexingSignalEnrichmentFacade( | ||
| final List<Pair<Pattern, JsonFieldSelector>> selectedIndexes, | ||
| final SignalEnrichmentFacade cacheLoaderFacade, | ||
| final CacheConfig cacheConfig, | ||
| final Executor cacheLoaderExecutor, | ||
| final String cacheNamePrefix) { | ||
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| super(cacheLoaderFacade, cacheConfig, cacheLoaderExecutor, cacheNamePrefix); | ||
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| this.selectedIndexes = List.copyOf(selectedIndexes); | ||
| selectedIndexesCache = new HashMap<>(); | ||
| } | ||
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| /** | ||
| * Returns a new {@code SearchIndexingSignalEnrichmentFacade} instance. | ||
| * | ||
| * @param selectedIndexes The selected indexes to be loaded into the search context | ||
| * @param cacheLoaderFacade the facade whose argument-result-pairs we are caching. | ||
| * @param cacheConfig the cache configuration to use for the cache. | ||
| * @param cacheLoaderExecutor the executor to use in order to asynchronously load cache entries. | ||
| * @param cacheNamePrefix the prefix to use as cacheName of the cache. | ||
| * @throws NullPointerException if any argument is null. | ||
| */ | ||
| public static SearchIndexingSignalEnrichmentFacade newInstance( | ||
| final List<Pair<Pattern, JsonFieldSelector>> selectedIndexes, | ||
| final SignalEnrichmentFacade cacheLoaderFacade, | ||
| final CacheConfig cacheConfig, | ||
| final Executor cacheLoaderExecutor, | ||
| final String cacheNamePrefix) { | ||
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| return new SearchIndexingSignalEnrichmentFacade( | ||
| checkNotNull(selectedIndexes, "selectedIndexes"), | ||
| checkNotNull(cacheLoaderFacade, "cacheLoaderFacade"), | ||
| checkNotNull(cacheConfig, "cacheConfig"), | ||
| checkNotNull(cacheLoaderExecutor, "cacheLoaderExecutor"), | ||
| checkNotNull(cacheNamePrefix, "cacheNamePrefix")); | ||
| } | ||
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| @Override | ||
| protected JsonFieldSelector determineSelector(final String namespace) { | ||
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| if (!selectedIndexesCache.containsKey(namespace)) { | ||
| // We iterate through the list and return the first JsonFieldSelector that matches the namespace pattern. | ||
| selectedIndexes.stream() | ||
| .filter(pair -> pair.first().matcher(namespace).matches()) | ||
| .findFirst() | ||
| .ifPresent(pair -> selectedIndexesCache.put(namespace, pair.second())); | ||
| } | ||
| return selectedIndexesCache.get(namespace); | ||
| } | ||
| } |
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