Refresh entities mapping cache.

Signed-off-by: Youssef Aouichaoui <youssef3wi@icloud.com>

Author: youssef3wi

src/main/java/org/springframework/data/elasticsearch/client/elc/IndicesTemplate.java

@@ -34,6 +34,7 @@
 import org.springframework.data.elasticsearch.core.IndexInformation;
 import org.springframework.data.elasticsearch.core.IndexOperations;
 import org.springframework.data.elasticsearch.core.ResourceUtil;
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
 import org.springframework.data.elasticsearch.core.document.Document;
 import org.springframework.data.elasticsearch.core.index.*;
@@ -81,6 +82,8 @@ public IndicesTemplate(ElasticsearchIndicesClient client, ClusterTemplate cluste
 		this.boundClass = boundClass;
 		this.boundIndex = null;
 
+		// cache entities metadata
+		refreshEntitiesMapping();
 	}
 
 	public IndicesTemplate(ElasticsearchIndicesClient client, ClusterTemplate clusterTemplate,
@@ -96,6 +99,8 @@ public IndicesTemplate(ElasticsearchIndicesClient client, ClusterTemplate cluste
 		this.boundClass = null;
 		this.boundIndex = boundIndex;
 
+		// cache entities metadata
+		refreshEntitiesMapping();
 	}
 
 	protected Class<?> checkForBoundClass() {
@@ -145,6 +150,8 @@ protected boolean doCreate(IndexCoordinates indexCoordinates, Map<String, Object
 
 		CreateIndexRequest createIndexRequest = requestConverter.indicesCreateRequest(indexSettings);
 		CreateIndexResponse createIndexResponse = execute(client -> client.create(createIndexRequest));
+		// refresh cached mappings
+		refreshEntitiesMapping();
 		return Boolean.TRUE.equals(createIndexResponse.acknowledged());
 	}
 
@@ -241,6 +248,45 @@ public Map<String, Object> getMapping() {
 		return responseConverter.indicesGetMapping(getMappingResponse, indexCoordinates);
 	}
 
+	@Override
+	public ClusterMapping getClusterMapping() {
+		GetMappingRequest getMappingRequest = requestConverter.indicesGetMappingRequest(IndexCoordinates.of("*"));
+		GetMappingResponse getMappingResponse = execute(client -> client.getMapping(getMappingRequest));
+
+		return responseConverter.indicesGetMapping(getMappingResponse);
+	}
+
+	/**
+	 * Refreshes the mapping of entities.
+	 * <p>
+	 * This method is responsible for retrieving and updating the metadata related to the entities.
+	 */
+	private void refreshEntitiesMapping() {
+		ClusterMapping clusterMapping = getClusterMapping();
+		for (ClusterMapping.ClusterMappingEntry mappingEntry : clusterMapping) {
+			// Get entity
+			Class<?> entity = null;
+			for (ElasticsearchPersistentEntity<?> persistentEntity : this.elasticsearchConverter.getMappingContext().getPersistentEntities()) {
+				if (mappingEntry.getName().equals(persistentEntity.getIndexCoordinates().getIndexName())) {
+					entity = persistentEntity.getType();
+
+					break;
+				}
+			}
+
+			if (entity == null) {
+				continue;
+			}
+
+			if (mappingEntry.getMappings().containsKey("dynamic_templates")) {
+				Object dynamicTemplates = mappingEntry.getMappings().get("dynamic_templates");
+				if (dynamicTemplates instanceof List<?> value) {
+					getRequiredPersistentEntity(entity).buildDynamicTemplates(value);
+				}
+			}
+		}
+	}
+
 	@Override
 	public Settings createSettings() {
 		return createSettings(checkForBoundClass());

src/main/java/org/springframework/data/elasticsearch/client/elc/ReactiveIndicesTemplate.java

@@ -36,6 +36,7 @@
 import org.springframework.data.elasticsearch.core.IndexInformation;
 import org.springframework.data.elasticsearch.core.ReactiveIndexOperations;
 import org.springframework.data.elasticsearch.core.ReactiveResourceUtil;
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
 import org.springframework.data.elasticsearch.core.document.Document;
 import org.springframework.data.elasticsearch.core.index.*;
@@ -218,6 +219,14 @@ public Mono<Document> getMapping() {
 		return getMappingResponse.map(response -> responseConverter.indicesGetMapping(response, indexCoordinates));
 	}
 
+	@Override
+	public Mono<ClusterMapping> getClusterMapping() {
+		GetMappingRequest getMappingRequest = requestConverter.indicesGetMappingRequest(IndexCoordinates.of("*"));
+		Mono<GetMappingResponse> getMappingResponse = Mono.from(execute(client -> client.getMapping(getMappingRequest)));
+
+		return getMappingResponse.map(responseConverter::indicesGetMapping);
+	}
+
 	@Override
 	public Mono<Settings> createSettings() {
 		return createSettings(checkForBoundClass());

src/main/java/org/springframework/data/elasticsearch/client/elc/ResponseConverter.java

@@ -52,6 +52,7 @@
 import org.springframework.data.elasticsearch.core.IndexInformation;
 import org.springframework.data.elasticsearch.core.MultiGetItem;
 import org.springframework.data.elasticsearch.core.cluster.ClusterHealth;
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import org.springframework.data.elasticsearch.core.document.Document;
 import org.springframework.data.elasticsearch.core.index.AliasData;
 import org.springframework.data.elasticsearch.core.index.Settings;
@@ -213,6 +214,16 @@ public Document indicesGetMapping(GetMappingResponse getMappingResponse, IndexCo
 		return Document.parse(toJson(indexMappingRecord.mappings(), jsonpMapper));
 	}
 
+	public ClusterMapping indicesGetMapping(GetMappingResponse getMappingResponse) {
+		ClusterMapping.Builder builder = ClusterMapping.builder();
+		for (String indexName : getMappingResponse.result().keySet()) {
+			Map<String, Object> mappings = indicesGetMapping(getMappingResponse, IndexCoordinates.of(indexName));
+			builder.withMapping(ClusterMapping.ClusterMappingEntry.builder(indexName).withMappings(mappings).build());
+		}
+
+		return builder.build();
+	}
+
 	public List<IndexInformation> indicesGetIndexInformations(GetIndexResponse getIndexResponse) {
 
 		Assert.notNull(getIndexResponse, "getIndexResponse must not be null");

src/main/java/org/springframework/data/elasticsearch/core/AbstractElasticsearchTemplate.java

@@ -20,7 +20,6 @@
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
@@ -603,15 +602,6 @@ protected <T> SearchDocumentResponse.EntityCreator<T> getEntityCreator(ReadDocum
 	// region Entity callbacks
 	protected <T> T maybeCallbackBeforeConvert(T entity, IndexCoordinates index) {
 
-		// get entity metadata
-		Map<String, Object> mapping = indexOps(index).getMapping();
-		if (mapping.containsKey("dynamic_templates")) {
-			Object dynamicTemplates = mapping.get("dynamic_templates");
-			if (dynamicTemplates instanceof List<?> value) {
-				getRequiredPersistentEntity(entity.getClass()).buildDynamicTemplates(value);
-			}
-		}
-
 		if (entityCallbacks != null) {
 			return entityCallbacks.callback(BeforeConvertCallback.class, entity, index);
 		}

src/main/java/org/springframework/data/elasticsearch/core/IndexOperations.java

@@ -19,6 +19,7 @@
 import java.util.Map;
 import java.util.Set;
 
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import org.springframework.data.elasticsearch.core.document.Document;
 import org.springframework.data.elasticsearch.core.index.*;
 import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
@@ -144,6 +145,13 @@ default boolean putMapping(Class<?> clazz) {
 	 */
 	Map<String, Object> getMapping();
 
+	/**
+	 * Get mappings of all indices in a cluster.
+	 *
+	 * @return Retrieve the mappings for all indices within a cluster.
+	 */
+	ClusterMapping getClusterMapping();
+
 	// endregion
 
 	// region settings

src/main/java/org/springframework/data/elasticsearch/core/IndexOperationsAdapter.java

@@ -15,6 +15,7 @@
  */
 package org.springframework.data.elasticsearch.core;
 
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import reactor.core.publisher.Mono;
 
 import java.util.List;
@@ -96,6 +97,11 @@ public Map<String, Object> getMapping() {
 				return Objects.requireNonNull(reactiveIndexOperations.getMapping().block());
 			}
 
+			@Override
+			public ClusterMapping getClusterMapping() {
+				return Objects.requireNonNull(reactiveIndexOperations.getClusterMapping().block());
+			}
+
 			@Override
 			public Settings createSettings() {
 				return Objects.requireNonNull(reactiveIndexOperations.createSettings().block());

src/main/java/org/springframework/data/elasticsearch/core/ReactiveIndexOperations.java

@@ -15,6 +15,7 @@
  */
 package org.springframework.data.elasticsearch.core;
 
+import org.springframework.data.elasticsearch.core.cluster.ClusterMapping;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
@@ -144,6 +145,13 @@ default Mono<Boolean> putMapping(Class<?> clazz) {
 	 * @return the mapping
 	 */
 	Mono<Document> getMapping();
+
+	/**
+	 * Get mappings of all indices in a cluster.
+	 *
+	 * @return Retrieve the mappings for all indices within a cluster.
+	 */
+	Mono<ClusterMapping> getClusterMapping();
 	// endregion
 
 	// region settings

src/main/java/org/springframework/data/elasticsearch/core/cluster/ClusterMapping.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2024 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.springframework.data.elasticsearch.core.cluster;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Retrieves mapping definitions of all indices in the cluster.
+ *
+ * @author Youssef Aouichaoui
+ * @since 5.4
+ */
+public class ClusterMapping implements Iterable<ClusterMapping.ClusterMappingEntry> {
+	private final List<ClusterMappingEntry> mappings;
+
+	private ClusterMapping(Builder builder) {
+		this.mappings = builder.mappings;
+	}
+
+	@NotNull
+	@Override
+	public Iterator<ClusterMappingEntry> iterator() {
+		return mappings.iterator();
+	}
+
+	public static Builder builder() {
+		return new Builder();
+	}
+
+	public static class ClusterMappingEntry {
+		private final String name;
+		private final Map<String, Object> mappings;
+
+		private ClusterMappingEntry(Builder builder) {
+			this.name = builder.name;
+			this.mappings = builder.mappings;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public Map<String, Object> getMappings() {
+			return Collections.unmodifiableMap(mappings);
+		}
+
+		public static Builder builder(String name) {
+			return new Builder(name);
+		}
+
+		public static class Builder {
+			private final String name;
+			private final Map<String, Object> mappings = new HashMap<>();
+
+			private Builder(String name) {
+				this.name = name;
+			}
+
+			public Builder withMappings(Map<String, Object> mappings) {
+				this.mappings.putAll(mappings);
+
+				return this;
+			}
+
+			public ClusterMappingEntry build() {
+				return new ClusterMappingEntry(this);
+			}
+		}
+	}
+
+	public static class Builder {
+		private final List<ClusterMappingEntry> mappings = new ArrayList<>();
+
+		private Builder() {}
+
+		public Builder withMapping(ClusterMappingEntry entry) {
+			mappings.add(entry);
+
+			return this;
+		}
+
+		public ClusterMapping build() {
+			return new ClusterMapping(this);
+		}
+	}
+}