Lambda can be replaced with method reference (#3978)

Signed-off-by: Mengqi Xu <[email protected]>

Author: remeio

models/spring-ai-transformers/src/main/java/org/springframework/ai/transformers/TransformersEmbeddingModel.java

@@ -365,7 +365,7 @@ private Map<String, OnnxTensor> removeUnknownModelInputs(Map<String, OnnxTensor>
 		return modelInputs.entrySet()
 			.stream()
 			.filter(a -> this.onnxModelInputs.contains(a.getKey()))
-			.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue()));
+			.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
 
 	}
 

spring-ai-commons/src/main/java/org/springframework/ai/document/DefaultContentFormatter.java

@@ -142,7 +142,7 @@ else if (metadataMode == MetadataMode.EMBED) {
 		return new HashMap<>(metadata.entrySet()
 			.stream()
 			.filter(e -> usableMetadataKeys.contains(e.getKey()))
-			.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue())));
+			.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)));
 	}
 
 	public String getMetadataTemplate() {

spring-ai-model/src/main/java/org/springframework/ai/model/ModelOptionsUtils.java

@@ -186,12 +186,12 @@ public static <T> T merge(Object source, Object target, Class<T> clazz, List<Str
 		targetMap.putAll(sourceMap.entrySet()
 			.stream()
 			.filter(e -> e.getValue() != null)
-			.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue())));
+			.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)));
 
 		targetMap = targetMap.entrySet()
 			.stream()
 			.filter(e -> requestFieldNames.contains(e.getKey()))
-			.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue()));
+			.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
 
 		return ModelOptionsUtils.mapToClass(targetMap, clazz);
 	}
@@ -229,7 +229,7 @@ public static Map<String, Object> objectToMap(Object source) {
 				.entrySet()
 				.stream()
 				.filter(e -> e.getValue() != null)
-				.collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue()));
+				.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
 		}
 		catch (JsonProcessingException e) {
 			throw new RuntimeException(e);