Polishing.

Remove unused expression parser and make sure to obtain the EvaluationContext from the index resolver if configured.

Original Pull Request: #5049

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/index/MongoPersistentEntityIndexResolver.java

@@ -61,7 +61,6 @@ import org.springframework.data.mongodb.util.DurationUtil;
 import org.springframework.data.mongodb.util.spel.ExpressionUtils;
 import org.springframework.data.spel.EvaluationContextProvider;
 import org.springframework.expression.EvaluationContext;
-import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ObjectUtils;
@@ -85,7 +84,6 @@ import org.springframework.util.StringUtils;
 public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 	private static final Log LOGGER = LogFactory.getLog(MongoPersistentEntityIndexResolver.class);
-	private static final SpelExpressionParser PARSER = new SpelExpressionParser();
 
 	private final MappingContext<? extends MongoPersistentEntity<?>, MongoPersistentProperty> mappingContext;
 	private EvaluationContextProvider evaluationContextProvider = EvaluationContextProvider.DEFAULT;
@@ -495,7 +493,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 			return new org.bson.Document(dotPath, 1);
 		}
 
-		Object keyDefToUse = ExpressionUtils.evaluate(keyDefinitionString, () -> getValueEvaluationContextForProperty(entity));
+		Object keyDefToUse = ExpressionUtils.evaluate(keyDefinitionString, () -> getValueEvaluationContext(entity));
 
 		org.bson.Document dbo = (keyDefToUse instanceof org.bson.Document document) ? document
 				: org.bson.Document.parse(ObjectUtils.nullSafeToString(keyDefToUse));
@@ -563,7 +561,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 			}
 
 			Duration timeout = computeIndexTimeout(index.expireAfter(),
-					getValueEvaluationContextForProperty(persistentProperty.getOwner()));
+					getValueEvaluationContext(persistentProperty.getOwner()));
 			if (!timeout.isNegative()) {
 				indexDefinition.expire(timeout);
 			}
@@ -579,7 +577,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 	private PartialIndexFilter evaluatePartialFilter(String filterExpression, @Nullable PersistentEntity<?, ?> entity) {
 
-		Object result = ExpressionUtils.evaluate(filterExpression, () -> getValueEvaluationContextForProperty(entity));
+		Object result = ExpressionUtils.evaluate(filterExpression, () -> getValueEvaluationContext(entity));
 
 		if (result instanceof org.bson.Document document) {
 			return PartialIndexFilter.of(document);
@@ -590,7 +588,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 	private org.bson.Document evaluateWildcardProjection(String projectionExpression, @Nullable PersistentEntity<?, ?> entity) {
 
-		Object result = ExpressionUtils.evaluate(projectionExpression, () -> getValueEvaluationContextForProperty(entity));
+		Object result = ExpressionUtils.evaluate(projectionExpression, () -> getValueEvaluationContext(entity));
 
 		if (result instanceof org.bson.Document document) {
 			return document;
@@ -601,7 +599,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 	private Collation evaluateCollation(String collationExpression, @Nullable PersistentEntity<?, ?> entity) {
 
-		Object result = ExpressionUtils.evaluate(collationExpression, () -> getValueEvaluationContextForProperty(entity));
+		Object result = ExpressionUtils.evaluate(collationExpression, () -> getValueEvaluationContext(entity));
 		if (result instanceof org.bson.Document document) {
 			return Collation.from(document);
 		}
@@ -657,14 +655,13 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 	 * @param persistentEntity can be {@literal null}
 	 * @return
 	 */
-	private ValueEvaluationContext getValueEvaluationContextForProperty(@Nullable PersistentEntity<?, ?> persistentEntity) {
+	ValueEvaluationContext getValueEvaluationContext(@Nullable PersistentEntity<?, ?> persistentEntity) {
 
-		if (persistentEntity instanceof BasicMongoPersistentEntity<?> mongoEntity) {
+		if (persistentEntity instanceof BasicMongoPersistentEntity<?> mongoEntity && ObjectUtils.nullSafeEquals(evaluationContextProvider, EvaluationContextProvider.DEFAULT)) {
 			return mongoEntity.getValueEvaluationContext(null);
 		}
 
-		return ValueEvaluationContext.of(
-			new StandardEnvironment(), getEvaluationContext());
+		return ValueEvaluationContext.of(new StandardEnvironment(), getEvaluationContext());
 	}
 
 	/**
@@ -716,7 +713,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 		String nameToUse = "";
 		if (StringUtils.hasText(indexName)) {
 
-			Object result = ExpressionUtils.evaluate(indexName, () -> getValueEvaluationContextForProperty(entity));
+			Object result = ExpressionUtils.evaluate(indexName, () -> getValueEvaluationContext(entity));
 
 			if (result != null) {
 				nameToUse = ObjectUtils.nullSafeToString(result);

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/index/MongoPersistentEntityIndexResolverUnitTests.java

@@ -26,6 +26,7 @@ import java.util.Arrays;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -33,8 +34,6 @@ import org.junit.runners.Suite;
 import org.junit.runners.Suite.SuiteClasses;
 
 import org.springframework.core.annotation.AliasFor;
-import org.springframework.core.env.MapPropertySource;
-import org.springframework.core.env.StandardEnvironment;
 import org.springframework.dao.InvalidDataAccessApiUsageException;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.core.TypeInformation;
@@ -56,6 +55,9 @@ import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentEntity;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
 import org.springframework.data.mongodb.core.mapping.Unwrapped;
+import org.springframework.data.spel.EvaluationContextProvider;
+import org.springframework.expression.EvaluationContext;
+import org.springframework.mock.env.MockEnvironment;
 
 /**
  * Tests for {@link MongoPersistentEntityIndexResolver}.
@@ -108,23 +110,6 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 			assertThat(definitions).isNotEmpty();
 		}
 
-		@Test // GH-4980
-		public void shouldSupportPropertyPlaceholderInExpireAfter() {
-			StandardEnvironment environment = new StandardEnvironment();
-			environment.getPropertySources().addFirst(new MapPropertySource("test", Map.of("ttl.timeout", "10m")));
-
-			MongoMappingContext mappingContext = new MongoMappingContext();
-			mappingContext.setEnvironment(environment);
-
-			MongoPersistentEntityIndexResolver resolver = new MongoPersistentEntityIndexResolver(mappingContext);
-
-			List<IndexDefinitionHolder> indexDefinitions = (List<IndexDefinitionHolder>) resolver
-					.resolveIndexFor(WithExpireAfterAsPropertyPlaceholder.class);
-
-			assertThat(indexDefinitions).hasSize(1);
-			assertThat(indexDefinitions.get(0).getIndexOptions()).containsEntry("expireAfterSeconds", 600L);
-		}
-
 		@Test // DATAMONGO-899
 		public void deeplyNestedIndexPathIsResolvedCorrectly() {
 
@@ -316,6 +301,53 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 					org.bson.Document.parse("{'value': {'$exists': true}}"));
 		}
 
+		@Test // GH-4980
+		public void resolvesPropertyPlaceholderInExpireAfter() {
+
+			MockEnvironment environment = new MockEnvironment();
+			environment.setProperty("ttl.timeout", "10m");
+
+			MongoMappingContext mappingContext = new MongoMappingContext();
+			mappingContext.setInitialEntitySet(Set.of(WithExpireAfterAsPropertyPlaceholder.class));
+			mappingContext.setEnvironment(environment);
+			mappingContext.initialize();
+
+			MongoPersistentEntityIndexResolver resolver = new MongoPersistentEntityIndexResolver(mappingContext);
+
+			List<IndexDefinitionHolder> indexDefinitions = (List<IndexDefinitionHolder>) resolver
+					.resolveIndexFor(WithExpireAfterAsPropertyPlaceholder.class);
+
+			assertThat(indexDefinitions).hasSize(1);
+			assertThat(indexDefinitions.get(0).getIndexOptions()).containsEntry("expireAfterSeconds", 600L);
+		}
+
+		@Test // GH-4980
+		public void usesValueExpressionResolversCorrectly() {
+
+			MockEnvironment environment = new MockEnvironment();
+			environment.setProperty("ttl.timeout", "10m");
+
+			MongoMappingContext mappingContext = new MongoMappingContext();
+			mappingContext.setInitialEntitySet(Set.of(WithExpireAfterAsPropertyPlaceholder.class));
+			mappingContext.setEnvironment(environment);
+			mappingContext.initialize();
+
+			MongoPersistentEntityIndexResolver resolver = new MongoPersistentEntityIndexResolver(mappingContext);
+
+			BasicMongoPersistentEntity<?> basicMongoPersistentEntity = mock(BasicMongoPersistentEntity.class);
+
+			resolver.getValueEvaluationContext(basicMongoPersistentEntity);
+			verify(basicMongoPersistentEntity).getValueEvaluationContext(any());
+
+			EvaluationContext evaluationContext = mock(EvaluationContext.class);
+			EvaluationContextProvider contextProviderMock = mock(EvaluationContextProvider.class);
+			when(contextProviderMock.getEvaluationContext(any())).thenReturn(evaluationContext);
+			resolver.setEvaluationContextProvider(contextProviderMock);
+
+			assertThat(resolver.getValueEvaluationContext(basicMongoPersistentEntity).getEvaluationContext())
+					.isEqualTo(evaluationContext);
+		}
+
 		@Document("Zero")
 		class IndexOnLevelZero {
 			@Indexed String indexedProperty;