Fix repository methods value converting.

Original Pull Request #2339
Closes #2338

src/main/java/org/springframework/data/elasticsearch/core/convert/MappingElasticsearchConverter.java

@@ -41,6 +41,7 @@ import org.springframework.data.elasticsearch.core.document.SearchDocument;
 import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentEntity;
 import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentProperty;
 import org.springframework.data.elasticsearch.core.mapping.PropertyValueConverter;
+import org.springframework.data.elasticsearch.core.query.BaseQuery;
 import org.springframework.data.elasticsearch.core.query.Criteria;
 import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
 import org.springframework.data.elasticsearch.core.query.FetchSourceFilter;
@@ -1186,6 +1187,13 @@ public class MappingElasticsearchConverter
 
 		Assert.notNull(query, "query must not be null");
 
+		if (query instanceof BaseQuery) {
+
+			if (((BaseQuery) query).queryIsUpdatedByConverter()) {
+				return;
+			}
+		}
+
 		if (domainClass == null) {
 			return;
 		}
@@ -1195,6 +1203,10 @@ public class MappingElasticsearchConverter
 		if (query instanceof CriteriaQuery) {
 			updatePropertiesInCriteriaQuery((CriteriaQuery) query, domainClass);
 		}
+
+		if (query instanceof BaseQuery) {
+			((BaseQuery) query).setQueryIsUpdatedByConverter(true);
+		}
 	}
 
 	private void updatePropertiesInFieldsAndSourceFilter(Query query, Class<?> domainClass) {

src/main/java/org/springframework/data/elasticsearch/core/query/BaseQuery.java

@@ -74,6 +74,8 @@ public class BaseQuery implements Query {
 	protected final List<RuntimeField> runtimeFields = new ArrayList<>();
 	@Nullable protected PointInTime pointInTime;
 
+	private boolean queryIsUpdatedByConverter = false;
+
 	public BaseQuery() {}
 
 	public <Q extends BaseQuery, B extends BaseQueryBuilder<Q, B>> BaseQuery(BaseQueryBuilder<Q, B> builder) {
@@ -466,4 +468,20 @@ public class BaseQuery implements Query {
 	public void setPointInTime(@Nullable PointInTime pointInTime) {
 		this.pointInTime = pointInTime;
 	}
+
+	/**
+	 * used internally. Not considered part of the API.
+	 * @since 5.0
+	 */
+	public boolean queryIsUpdatedByConverter() {
+		return queryIsUpdatedByConverter;
+	}
+
+	/**
+	 * used internally. Not considered part of the API.
+	 * @since 5.0
+	 */
+	public void setQueryIsUpdatedByConverter(boolean queryIsUpdatedByConverter) {
+		this.queryIsUpdatedByConverter = queryIsUpdatedByConverter;
+	}
 }

src/main/java/org/springframework/data/elasticsearch/repository/query/AbstractElasticsearchRepositoryQuery.java

@@ -15,12 +15,24 @@
  */
 package org.springframework.data.elasticsearch.repository.query;
 
+import org.springframework.data.domain.PageRequest;
 import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHitSupport;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.SearchHitsImpl;
+import org.springframework.data.elasticsearch.core.TotalHitsRelation;
 import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
+import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
 import org.springframework.data.elasticsearch.core.query.Query;
-import org.springframework.data.repository.query.ParameterAccessor;
+import org.springframework.data.repository.query.ParametersParameterAccessor;
 import org.springframework.data.repository.query.QueryMethod;
 import org.springframework.data.repository.query.RepositoryQuery;
+import org.springframework.data.util.StreamUtils;
+import org.springframework.lang.Nullable;
+import org.springframework.util.Assert;
+import org.springframework.util.ClassUtils;
+
+import java.util.Collections;
 
 /**
  * AbstractElasticsearchRepositoryQuery
@@ -55,8 +67,76 @@ public abstract class AbstractElasticsearchRepositoryQuery implements Repository
 	 */
 	public abstract boolean isCountQuery();
 
-	protected void prepareQuery(Query query, Class<?> clazz, ParameterAccessor parameterAccessor) {
+	protected abstract boolean isDeleteQuery();
 
+	protected abstract boolean isExistsQuery();
+
+	@Override
+	public Object execute(Object[] parameters) {
+
+		ParametersParameterAccessor parameterAccessor = getParameterAccessor(parameters);
+		Class<?> clazz = getResultClass();
+		Query query = createQuery(parameters);
+
+		IndexCoordinates index = elasticsearchOperations.getIndexCoordinatesFor(clazz);
+
+		Object result = null;
+
+		if (isDeleteQuery()) {
+			result = countOrGetDocumentsForDelete(query, parameterAccessor);
+			elasticsearchOperations.delete(query, clazz, index);
+			elasticsearchOperations.indexOps(index).refresh();
+		} else if (isCountQuery()) {
+			result = elasticsearchOperations.count(query, clazz, index);
+		} else if (isExistsQuery()) {
+			result = elasticsearchOperations.count(query, clazz, index) > 0;
+		} else if (queryMethod.isPageQuery()) {
+			query.setPageable(parameterAccessor.getPageable());
+			SearchHits<?> searchHits = elasticsearchOperations.search(query, clazz, index);
+			if (queryMethod.isSearchPageMethod()) {
+				result = SearchHitSupport.searchPageFor(searchHits, query.getPageable());
+			} else {
+				result = SearchHitSupport.unwrapSearchHits(SearchHitSupport.searchPageFor(searchHits, query.getPageable()));
+			}
+		} else if (queryMethod.isStreamQuery()) {
+			query.setPageable(parameterAccessor.getPageable().isPaged() ? parameterAccessor.getPageable()
+				: PageRequest.of(0, DEFAULT_STREAM_BATCH_SIZE));
+			result = StreamUtils.createStreamFromIterator(elasticsearchOperations.searchForStream(query, clazz, index));
+		} else if (queryMethod.isCollectionQuery()) {
+
+			if (parameterAccessor.getPageable().isUnpaged()) {
+				int itemCount = (int) elasticsearchOperations.count(query, clazz, index);
+
+				if (itemCount == 0) {
+					result = new SearchHitsImpl<>(0, TotalHitsRelation.EQUAL_TO, Float.NaN, null,
+						query.getPointInTime() != null ? query.getPointInTime().id() : null, Collections.emptyList(), null, null);
+				} else {
+					query.setPageable(PageRequest.of(0, Math.max(1, itemCount)));
+				}
+			} else {
+				query.setPageable(parameterAccessor.getPageable());
+			}
+
+			if (result == null) {
+				result = elasticsearchOperations.search(query, clazz, index);
+			}
+
+		} else {
+			result = elasticsearchOperations.searchOne(query, clazz, index);
+		}
+
+		return (queryMethod.isNotSearchHitMethod() && queryMethod.isNotSearchPageMethod())
+			? SearchHitSupport.unwrapSearchHits(result)
+			: result;
+	}
+
+	public Query createQuery(Object[] parameters) {
+
+		Class<?> clazz = getResultClass();
+		ParametersParameterAccessor parameterAccessor = getParameterAccessor(parameters);
+		Query query = createQuery(parameterAccessor);
+
+		Assert.notNull(query, "unsupported query");
 
 		if (queryMethod.hasAnnotatedHighlight()) {
 			query.setHighlightQuery(queryMethod.getAnnotatedHighlightQuery());
@@ -68,6 +148,44 @@ public abstract class AbstractElasticsearchRepositoryQuery implements Repository
 			query.addSourceFilter(sourceFilter);
 		}
 
-		elasticsearchConverter.updateQuery(query, clazz);
+		// todo #2338 remove that call, this should be done when the real request is built
+//		elasticsearchConverter.updateQuery(query, clazz);
+
+		return query;
 	}
+
+	private Class<?> getResultClass() {
+		return queryMethod.getResultProcessor().getReturnedType().getDomainType();
+	}
+
+	private ParametersParameterAccessor getParameterAccessor(Object[] parameters) {
+		return new ParametersParameterAccessor(queryMethod.getParameters(), parameters);
+	}
+
+	@Nullable
+	private Object countOrGetDocumentsForDelete(Query query, ParametersParameterAccessor accessor) {
+
+		Object result = null;
+		Class<?> entityClass = queryMethod.getEntityInformation().getJavaType();
+		IndexCoordinates index = elasticsearchOperations.getIndexCoordinatesFor(entityClass);
+
+		if (queryMethod.isCollectionQuery()) {
+
+			if (accessor.getPageable().isUnpaged()) {
+				int itemCount = (int) elasticsearchOperations.count(query, entityClass, index);
+				query.setPageable(PageRequest.of(0, Math.max(1, itemCount)));
+			} else {
+				query.setPageable(accessor.getPageable());
+			}
+			result = elasticsearchOperations.search(query, entityClass, index);
+		}
+
+		if (ClassUtils.isAssignable(Number.class, queryMethod.getReturnedObjectType())) {
+			result = elasticsearchOperations.count(query, entityClass, index);
+		}
+
+		return result;
+	}
+
+	protected abstract Query createQuery(ParametersParameterAccessor accessor);
 }

src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java

@@ -15,25 +15,14 @@
  */
 package org.springframework.data.elasticsearch.repository.query;
 
-import java.util.Collections;
-
-import org.springframework.data.domain.PageRequest;
 import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
-import org.springframework.data.elasticsearch.core.SearchHitSupport;
-import org.springframework.data.elasticsearch.core.SearchHits;
-import org.springframework.data.elasticsearch.core.SearchHitsImpl;
-import org.springframework.data.elasticsearch.core.TotalHitsRelation;
 import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentProperty;
-import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
+import org.springframework.data.elasticsearch.core.query.BaseQuery;
-import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
+import org.springframework.data.elasticsearch.core.query.Query;
 import org.springframework.data.elasticsearch.repository.query.parser.ElasticsearchQueryCreator;
 import org.springframework.data.mapping.context.MappingContext;
 import org.springframework.data.repository.query.ParametersParameterAccessor;
 import org.springframework.data.repository.query.parser.PartTree;
-import org.springframework.data.util.StreamUtils;
-import org.springframework.lang.Nullable;
-import org.springframework.util.Assert;
-import org.springframework.util.ClassUtils;
 
 /**
  * ElasticsearchPartQuery
@@ -62,104 +51,24 @@ public class ElasticsearchPartQuery extends AbstractElasticsearchRepositoryQuery
 	}
 
 	@Override
-	public Object execute(Object[] parameters) {
+	protected boolean isDeleteQuery() {
+		return tree.isDelete();
+	}
 
-		Class<?> clazz = queryMethod.getResultProcessor().getReturnedType().getDomainType();
+	@Override
-		ParametersParameterAccessor parameterAccessor = new ParametersParameterAccessor(queryMethod.getParameters(),
+	protected boolean isExistsQuery() {
-				parameters);
+		return tree.isExistsProjection();
+	}
 
-		CriteriaQuery query = createQuery(parameterAccessor);
+	protected Query createQuery(ParametersParameterAccessor accessor) {
 
-		Assert.notNull(query, "unsupported query");
+		BaseQuery query = new ElasticsearchQueryCreator(tree, accessor, mappingContext).createQuery();
-
-		prepareQuery(query, clazz, parameterAccessor);
-
-		IndexCoordinates index = elasticsearchOperations.getIndexCoordinatesFor(clazz);
-
-		Object result = null;
 
 		if (tree.isLimiting()) {
 			// noinspection ConstantConditions
 			query.setMaxResults(tree.getMaxResults());
 		}
 
-		if (tree.isDelete()) {
+		return query;
-			result = countOrGetDocumentsForDelete(query, parameterAccessor);
-			elasticsearchOperations.delete(query, clazz, index);
-			elasticsearchOperations.indexOps(index).refresh();
-		} else if (queryMethod.isPageQuery()) {
-			query.setPageable(parameterAccessor.getPageable());
-			SearchHits<?> searchHits = elasticsearchOperations.search(query, clazz, index);
-			if (queryMethod.isSearchPageMethod()) {
-				result = SearchHitSupport.searchPageFor(searchHits, query.getPageable());
-			} else {
-				result = SearchHitSupport.unwrapSearchHits(SearchHitSupport.searchPageFor(searchHits, query.getPageable()));
-			}
-		} else if (queryMethod.isStreamQuery()) {
-			if (parameterAccessor.getPageable().isUnpaged()) {
-				query.setPageable(PageRequest.of(0, DEFAULT_STREAM_BATCH_SIZE));
-			} else {
-				query.setPageable(parameterAccessor.getPageable());
-			}
-			result = StreamUtils.createStreamFromIterator(elasticsearchOperations.searchForStream(query, clazz, index));
-		} else if (queryMethod.isCollectionQuery()) {
-
-			if (parameterAccessor.getPageable().isUnpaged()) {
-				int itemCount = (int) elasticsearchOperations.count(query, clazz, index);
-
-				if (itemCount == 0) {
-					result = new SearchHitsImpl<>(0, TotalHitsRelation.EQUAL_TO, Float.NaN, null,
-							query.getPointInTime() != null ? query.getPointInTime().id() : null, Collections.emptyList(), null, null);
-				} else {
-					query.setPageable(PageRequest.of(0, Math.max(1, itemCount)));
-				}
-			} else {
-				query.setPageable(parameterAccessor.getPageable());
-			}
-
-			if (result == null) {
-				result = elasticsearchOperations.search(query, clazz, index);
-			}
-
-		} else if (tree.isCountProjection()) {
-			result = elasticsearchOperations.count(query, clazz, index);
-		} else if (tree.isExistsProjection()) {
-			long count = elasticsearchOperations.count(query, clazz, index);
-			result = count > 0;
-		} else {
-			result = elasticsearchOperations.searchOne(query, clazz, index);
-		}
-
-		return (queryMethod.isNotSearchHitMethod() && queryMethod.isNotSearchPageMethod())
-				? SearchHitSupport.unwrapSearchHits(result)
-				: result;
-	}
-
-	@Nullable
-	private Object countOrGetDocumentsForDelete(CriteriaQuery query, ParametersParameterAccessor accessor) {
-
-		Object result = null;
-		Class<?> clazz = queryMethod.getEntityInformation().getJavaType();
-		IndexCoordinates index = elasticsearchOperations.getIndexCoordinatesFor(clazz);
-
-		if (queryMethod.isCollectionQuery()) {
-
-			if (accessor.getPageable().isUnpaged()) {
-				int itemCount = (int) elasticsearchOperations.count(query, clazz, index);
-				query.setPageable(PageRequest.of(0, Math.max(1, itemCount)));
-			} else {
-				query.setPageable(accessor.getPageable());
-			}
-			result = elasticsearchOperations.search(query, clazz, index);
-		}
-
-		if (ClassUtils.isAssignable(Number.class, queryMethod.getReturnedObjectType())) {
-			result = elasticsearchOperations.count(query, clazz, index);
-		}
-		return result;
-	}
-
-	public CriteriaQuery createQuery(ParametersParameterAccessor accessor) {
-		return new ElasticsearchQueryCreator(tree, accessor, mappingContext).createQuery();
 	}
 }

src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchStringQuery.java

@@ -15,17 +15,11 @@
  */
 package org.springframework.data.elasticsearch.repository.query;
 
-import org.springframework.data.domain.PageRequest;
-import org.springframework.data.domain.Pageable;
 import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
-import org.springframework.data.elasticsearch.core.SearchHitSupport;
-import org.springframework.data.elasticsearch.core.SearchHits;
-import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
 import org.springframework.data.elasticsearch.core.query.Query;
 import org.springframework.data.elasticsearch.core.query.StringQuery;
 import org.springframework.data.elasticsearch.repository.support.StringQueryUtil;
 import org.springframework.data.repository.query.ParametersParameterAccessor;
-import org.springframework.data.util.StreamUtils;
 import org.springframework.util.Assert;
 
 /**
@@ -54,56 +48,20 @@ public class ElasticsearchStringQuery extends AbstractElasticsearchRepositoryQue
 	}
 
 	@Override
-	public Object execute(Object[] parameters) {
+	protected boolean isDeleteQuery() {
-
+		return false;
-		Class<?> clazz = queryMethod.getResultProcessor().getReturnedType().getDomainType();
-		ParametersParameterAccessor parameterAccessor = new ParametersParameterAccessor(queryMethod.getParameters(),
-				parameters);
-
-		Query query = createQuery(parameterAccessor);
-		Assert.notNull(query, "unsupported query");
-
-		if (queryMethod.hasAnnotatedHighlight()) {
-			query.setHighlightQuery(queryMethod.getAnnotatedHighlightQuery());
-		}
-
-		prepareQuery(query, clazz, parameterAccessor);
-
-		IndexCoordinates index = elasticsearchOperations.getIndexCoordinatesFor(clazz);
-
-		Object result;
-
-		if (isCountQuery()) {
-			result = elasticsearchOperations.count(query, clazz, index);
-		} else if (queryMethod.isPageQuery()) {
-			query.setPageable(parameterAccessor.getPageable());
-			SearchHits<?> searchHits = elasticsearchOperations.search(query, clazz, index);
-			if (queryMethod.isSearchPageMethod()) {
-				result = SearchHitSupport.searchPageFor(searchHits, query.getPageable());
-			} else {
-				result = SearchHitSupport.unwrapSearchHits(SearchHitSupport.searchPageFor(searchHits, query.getPageable()));
-			}
-		} else if (queryMethod.isStreamQuery()) {
-			query.setPageable(parameterAccessor.getPageable().isPaged() ? parameterAccessor.getPageable()
-					: PageRequest.of(0, DEFAULT_STREAM_BATCH_SIZE));
-			result = StreamUtils.createStreamFromIterator(elasticsearchOperations.searchForStream(query, clazz, index));
-		} else if (queryMethod.isCollectionQuery()) {
-			query.setPageable(
-					parameterAccessor.getPageable().isPaged() ? parameterAccessor.getPageable() : Pageable.unpaged());
-			result = elasticsearchOperations.search(query, clazz, index);
-		} else {
-			result = elasticsearchOperations.searchOne(query, clazz, index);
-		}
-
-		return (queryMethod.isNotSearchHitMethod() && queryMethod.isNotSearchPageMethod())
-				? SearchHitSupport.unwrapSearchHits(result)
-				: result;
 	}
 
-	protected StringQuery createQuery(ParametersParameterAccessor parameterAccessor) {
+	@Override
+	protected boolean isExistsQuery() {
+		return false;
+	}
+
+	protected Query createQuery(ParametersParameterAccessor parameterAccessor) {
+
 		String queryString = new StringQueryUtil(elasticsearchOperations.getElasticsearchConverter().getConversionService())
 				.replacePlaceholders(this.queryString, parameterAccessor);
+
 		return new StringQuery(queryString);
 	}
-
 }

src/main/java/org/springframework/data/elasticsearch/repository/support/StringQueryUtil.java

@@ -61,7 +61,6 @@ final public class StringQueryUtil {
 		String parameterValue = "null";
 
 		if (parameter != null) {
-
 			parameterValue = convert(parameter);
 		}
 

src/test/java/org/springframework/data/elasticsearch/client/elc/ElasticsearchPartQueryELCIntegrationTests.java

@@ -21,8 +21,8 @@ import co.elastic.clients.json.jackson.JacksonJsonpMapper;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
-import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
 import org.springframework.data.elasticsearch.core.query.ElasticsearchPartQueryIntegrationTests;
+import org.springframework.data.elasticsearch.core.query.Query;
 import org.springframework.data.elasticsearch.junit.jupiter.ElasticsearchTemplateConfiguration;
 
 /**
@@ -36,12 +36,11 @@ public class ElasticsearchPartQueryELCIntegrationTests extends ElasticsearchPart
 	static class Config {}
 
 	@Override
-	protected String buildQueryString(CriteriaQuery criteriaQuery, Class<?> clazz) {
+	protected String buildQueryString(Query query, Class<?> clazz) {
 
 		JacksonJsonpMapper jsonpMapper = new JacksonJsonpMapper();
 		RequestConverter requestConverter = new RequestConverter(operations.getElasticsearchConverter(), jsonpMapper);
-		SearchRequest request = requestConverter.searchRequest(criteriaQuery, clazz, IndexCoordinates.of("dummy"), false,
+		SearchRequest request = requestConverter.searchRequest(query, clazz, IndexCoordinates.of("dummy"), false, false);
-				false);
 
 		return JsonUtils.toJson(request, jsonpMapper);
 		// return "{\"query\":" + JsonUtils.toJson(request.query(), jsonpMapper) + "}";

src/test/java/org/springframework/data/elasticsearch/client/erhlc/ElasticsearchPartQueryERHLCIntegrationTests.java

@@ -19,8 +19,8 @@ import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
-import org.springframework.data.elasticsearch.core.query.CriteriaQuery;
 import org.springframework.data.elasticsearch.core.query.ElasticsearchPartQueryIntegrationTests;
+import org.springframework.data.elasticsearch.core.query.Query;
 import org.springframework.data.elasticsearch.junit.jupiter.ElasticsearchRestTemplateConfiguration;
 import org.springframework.test.context.ContextConfiguration;
 
@@ -38,9 +38,9 @@ public class ElasticsearchPartQueryERHLCIntegrationTests extends ElasticsearchPa
 	@Import({ ElasticsearchRestTemplateConfiguration.class })
 	static class Config {}
 
-	protected String buildQueryString(CriteriaQuery criteriaQuery, Class<?> clazz) {
+	protected String buildQueryString(Query query, Class<?> clazz) {
 		SearchSourceBuilder source = new RequestFactory(operations.getElasticsearchConverter())
-				.searchRequest(criteriaQuery, clazz, IndexCoordinates.of("dummy")).source();
+				.searchRequest(query, clazz, IndexCoordinates.of("dummy")).source();
 		// remove defaultboost values
 		return source.toString().replaceAll("(\\^\\d+\\.\\d+)", "");
 	}

src/test/java/org/springframework/data/elasticsearch/core/query/ElasticsearchPartQueryIntegrationTests.java

@@ -36,7 +36,6 @@ import org.springframework.data.elasticsearch.repository.query.ElasticsearchPart
 import org.springframework.data.elasticsearch.repository.query.ElasticsearchQueryMethod;
 import org.springframework.data.projection.SpelAwareProxyProjectionFactory;
 import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
-import org.springframework.data.repository.query.ParametersParameterAccessor;
 import org.springframework.lang.Nullable;
 
 /**
@@ -649,19 +648,18 @@ public abstract class ElasticsearchPartQueryIntegrationTests {
 				new DefaultRepositoryMetadata(SampleRepository.class), new SpelAwareProxyProjectionFactory(),
 				operations.getElasticsearchConverter().getMappingContext());
 		ElasticsearchPartQuery partQuery = new ElasticsearchPartQuery(queryMethod, operations);
-		CriteriaQuery criteriaQuery = partQuery
+		Query query = partQuery.createQuery(parameters);
-				.createQuery(new ParametersParameterAccessor(queryMethod.getParameters(), parameters));
+		return buildQueryString(query, Book.class);
-		return buildQueryString(criteriaQuery, Book.class);
 	}
 
 	/**
 	 * builds the query String that would be sent to Elasticsearch
 	 *
-	 * @param criteriaQuery the {@link CriteriaQuery}
+	 * @param query the {@link Query}
 	 * @param clazz the entity class
 	 * @return the created query string
 	 */
-	abstract protected String buildQueryString(CriteriaQuery criteriaQuery, Class<?> clazz);
+	abstract protected String buildQueryString(Query query, Class<?> clazz);
 
 	@FunctionalInterface
 	interface AssertFunction {

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ReactiveValueConverterELCIntegrationTests.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.elasticsearch.junit.jupiter.ReactiveElasticsearchTemplateConfiguration;
+import org.springframework.data.elasticsearch.repository.config.EnableReactiveElasticsearchRepositories;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * @author Peter-Josef Meisch
+ * @since 5.0
+ */
+@ContextConfiguration(classes = { ReactiveValueConverterELCIntegrationTests.Config.class })
+public class ReactiveValueConverterELCIntegrationTests extends ReactiveValueConverterIntegrationTests {
+
+	@Configuration
+	@Import({ ReactiveElasticsearchTemplateConfiguration.class })
+	@EnableReactiveElasticsearchRepositories(considerNestedRepositories = true)
+	static class Config {
+		@Bean
+		IndexNameProvider indexNameProvider() {
+			return new IndexNameProvider("reactive-valueconverter");
+		}
+	}
+
+}

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ReactiveValueConverterERHLCIntegrationTests.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.elasticsearch.junit.jupiter.ReactiveElasticsearchRestTemplateConfiguration;
+import org.springframework.data.elasticsearch.repository.config.EnableReactiveElasticsearchRepositories;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * @author Peter-Josef Meisch
+ * @since 5.0
+ */
+@ContextConfiguration(classes = { ReactiveValueConverterERHLCIntegrationTests.Config.class })
+public class ReactiveValueConverterERHLCIntegrationTests extends ReactiveValueConverterIntegrationTests {
+
+	@Configuration
+	@Import({ ReactiveElasticsearchRestTemplateConfiguration.class })
+	@EnableReactiveElasticsearchRepositories(considerNestedRepositories = true)
+	static class Config {
+		@Bean
+		IndexNameProvider indexNameProvider() {
+			return new IndexNameProvider("reactive-valueconverter-es7");
+		}
+	}
+
+}

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ReactiveValueConverterIntegrationTests.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.springframework.data.elasticsearch.annotations.FieldType.*;
+
+import org.springframework.data.elasticsearch.annotations.FieldType;
+import org.springframework.data.elasticsearch.annotations.Query;
+import org.springframework.data.elasticsearch.annotations.ValueConverter;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.mapping.PropertyValueConverter;
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+import java.lang.Boolean;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.elasticsearch.annotations.Document;
+import org.springframework.data.elasticsearch.annotations.Field;
+import org.springframework.data.elasticsearch.core.ReactiveElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHit;
+import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
+import org.springframework.data.elasticsearch.junit.jupiter.SpringIntegrationTest;
+import org.springframework.data.elasticsearch.repository.ReactiveElasticsearchRepository;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.lang.Nullable;
+
+/**
+ * Integration tests to check that {@link org.springframework.data.elasticsearch.annotations.ValueConverter} annotated
+ * properties are handle correctly (method name derived queries, for
+ *
+ * @{@link org.springframework.data.elasticsearch.core.query.Query} methods we don't know which parameters map to which
+ *         property.
+ * @author Peter-Josef Meisch
+ */
+@SpringIntegrationTest
+public abstract class ReactiveValueConverterIntegrationTests {
+
+	@Autowired private IndexNameProvider indexNameProvider;
+	@Autowired private ReactiveElasticsearchOperations operations;
+	@Autowired private EntityRepository repository;
+
+	@BeforeEach
+	void setUp() {
+		indexNameProvider.increment();
+		operations.indexOps(Entity.class).createWithMapping().block();
+	}
+
+	@Test
+	@Order(java.lang.Integer.MAX_VALUE)
+	void cleanup() {
+		operations.indexOps(IndexCoordinates.of(indexNameProvider.getPrefix() + '*')).delete().block();
+	}
+
+
+	@Test // #2338
+	@DisplayName("should apply ValueConverter")
+	void shouldApplyValueConverter() {
+
+		ValueConverterIntegrationTests.Entity entity = new ValueConverterIntegrationTests.Entity();
+		entity.setId("42");
+		entity.setText("answer");
+		operations.save(entity).block();
+
+		repository.queryByText("text-answer") //
+			.as(StepVerifier::create) //
+			.expectNextCount(1) //
+			.verifyComplete();
+
+		repository.findByText("answer") //
+			.as(StepVerifier::create) //
+			.expectNextCount(1) //
+			.verifyComplete();
+	}
+
+	interface EntityRepository extends ReactiveElasticsearchRepository<Entity, String> {
+		Flux<SearchHit<Entity>> findByText(String text);
+
+		@Query("{ \"term\": { \"text\": \"?0\" } }")
+		Flux<SearchHit<Entity>> queryByText(String text);
+	}
+
+	@Document(indexName = "#{@indexNameProvider.indexName()}")
+	static class Entity {
+		@Id
+		@Nullable private String id;
+
+		@Field(type = FieldType.Keyword)
+		@ValueConverter(ValueConverterIntegrationTests.TextConverter.class)
+		@Nullable private String text;
+
+		@Nullable
+		public String getId() {
+			return id;
+		}
+
+		public void setId(@Nullable String id) {
+			this.id = id;
+		}
+
+		@Nullable
+		public String getText() {
+			return text;
+		}
+
+		public void setText(@Nullable String text) {
+			this.text = text;
+		}
+	}
+
+	static class TextConverter implements PropertyValueConverter {
+
+		public static final String PREFIX = "text-";
+
+		@Override
+		public Object write(Object value) {
+			return PREFIX + value.toString();
+		}
+
+		@Override
+		public Object read(Object value) {
+
+			String valueString = value.toString();
+
+			if (valueString.startsWith(PREFIX)) {
+				return valueString.substring(PREFIX.length());
+			} else {
+				return value;
+			}
+		}
+	}
+}

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ValueConverterELCIntegrationTests.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.elasticsearch.junit.jupiter.ElasticsearchTemplateConfiguration;
+import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * {@link ValueConverterIntegrationTests} using a Repository backed by an ElasticsearchTemplate.
+ *
+ * @author Peter-Josef Meisch
+ * @since 5.0
+ */
+@ContextConfiguration(classes = { ValueConverterELCIntegrationTests.Config.class })
+public class ValueConverterELCIntegrationTests extends ValueConverterIntegrationTests {
+
+	@Configuration
+	@Import({ ElasticsearchTemplateConfiguration.class })
+	@EnableElasticsearchRepositories(considerNestedRepositories = true)
+	static class Config {
+		@Bean
+		IndexNameProvider indexNameProvider() {
+			return new IndexNameProvider("valueconverter");
+		}
+	}
+}

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ValueConverterERHLCIntegrationTests.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.elasticsearch.junit.jupiter.ElasticsearchRestTemplateConfiguration;
+import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * {@link ValueConverterIntegrationTests} using a Repository backed by an ElasticsearchTemplate.
+ *
+ * @author Peter-Josef Meisch
+ * @since 5.0
+ */
+@ContextConfiguration(classes = { ValueConverterERHLCIntegrationTests.Config.class })
+public class ValueConverterERHLCIntegrationTests extends ValueConverterIntegrationTests {
+
+	@Configuration
+	@Import({ ElasticsearchRestTemplateConfiguration.class })
+	@EnableElasticsearchRepositories(considerNestedRepositories = true)
+	static class Config {
+		@Bean
+		IndexNameProvider indexNameProvider() {
+			return new IndexNameProvider("valueconverter-es7");
+		}
+	}
+}

src/test/java/org/springframework/data/elasticsearch/repository/query/valueconverter/ValueConverterIntegrationTests.java

@@ -0,0 +1,140 @@
+/*
+ * Copyright 2022 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.repository.query.valueconverter;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.elasticsearch.annotations.Document;
+import org.springframework.data.elasticsearch.annotations.Field;
+import org.springframework.data.elasticsearch.annotations.FieldType;
+import org.springframework.data.elasticsearch.annotations.Query;
+import org.springframework.data.elasticsearch.annotations.ValueConverter;
+import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
+import org.springframework.data.elasticsearch.core.SearchHits;
+import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
+import org.springframework.data.elasticsearch.core.mapping.PropertyValueConverter;
+import org.springframework.data.elasticsearch.junit.jupiter.SpringIntegrationTest;
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+import org.springframework.data.elasticsearch.utils.IndexNameProvider;
+import org.springframework.lang.Nullable;
+
+/**
+ * Integration tests to check that {@link org.springframework.data.elasticsearch.annotations.ValueConverter} annotated
+ * properties are handle correctly (method name derived queries, for
+ *
+ * @{@link org.springframework.data.elasticsearch.core.query.Query} methods we don't know which parameters map to which
+ *         property.
+ * @author Peter-Josef Meisch
+ */
+@SpringIntegrationTest
+abstract class ValueConverterIntegrationTests {
+
+	@Autowired private EntityRepository repository;
+	@Autowired ElasticsearchOperations operations;
+	@Autowired IndexNameProvider indexNameProvider;
+
+	@BeforeEach
+	public void before() {
+		indexNameProvider.increment();
+		operations.indexOps(Entity.class).createWithMapping();
+
+	}
+
+	@Test
+	@Order(Integer.MAX_VALUE)
+	void cleanup() {
+		operations.indexOps(IndexCoordinates.of(indexNameProvider.getPrefix() + '*')).delete();
+	}
+
+	@Test // #2338
+	@DisplayName("should apply ValueConverter")
+	void shouldApplyValueConverter() {
+
+		Entity entity = new Entity();
+		entity.setId("42");
+		entity.setText("answer");
+		operations.save(entity);
+
+		SearchHits<Entity> searchHits = repository.queryByText("text-answer");
+		assertThat(searchHits.getTotalHits()).isEqualTo(1);
+
+		searchHits = repository.findByText("answer");
+		assertThat(searchHits.getTotalHits()).isEqualTo(1);
+	}
+
+	interface EntityRepository extends ElasticsearchRepository<Entity, String> {
+		SearchHits<Entity> findByText(String text);
+
+		@Query("{ \"term\": { \"text\": \"?0\" } }")
+		SearchHits<Entity> queryByText(String text);
+	}
+
+	@Document(indexName = "#{@indexNameProvider.indexName()}")
+	static class Entity {
+		@Id
+		@Nullable private String id;
+
+		@Field(type = FieldType.Keyword)
+		@ValueConverter(TextConverter.class)
+		@Nullable private String text;
+
+		@Nullable
+		public String getId() {
+			return id;
+		}
+
+		public void setId(@Nullable String id) {
+			this.id = id;
+		}
+
+		@Nullable
+		public String getText() {
+			return text;
+		}
+
+		public void setText(@Nullable String text) {
+			this.text = text;
+		}
+	}
+
+	static class TextConverter implements PropertyValueConverter {
+
+		public static final String PREFIX = "text-";
+
+		@Override
+		public Object write(Object value) {
+			return PREFIX + value.toString();
+		}
+
+		@Override
+		public Object read(Object value) {
+
+			String valueString = value.toString();
+
+			if (valueString.startsWith(PREFIX)) {
+				return valueString.substring(PREFIX.length());
+			} else {
+				return value;
+			}
+		}
+	}
+}