Change EmbeddingOptions from class into interface

Author: tzolov

models/spring-ai-postgresml/src/main/java/org/springframework/ai/postgresml/PostgresMlEmbeddingClient.java

@@ -156,7 +156,7 @@ public List<List<Double>> embed(List<String> texts) {
 
 	@Override
 	public EmbeddingResponse embedForResponse(List<String> texts) {
-		return this.call(new EmbeddingRequest(texts, new EmbeddingOptions()));
+		return this.call(new EmbeddingRequest(texts, EmbeddingOptions.EMPTY));
 	}
 
 	@Override

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

@@ -214,7 +214,7 @@ public EmbeddingResponse embedForResponse(List<String> texts) {
 
 	@Override
 	public List<List<Double>> embed(List<String> texts) {
-		return this.call(new EmbeddingRequest(texts, new EmbeddingOptions()))
+		return this.call(new EmbeddingRequest(texts, EmbeddingOptions.EMPTY))
 			.getResults()
 			.stream()
 			.map(e -> e.getOutput())

spring-ai-core/src/main/java/org/springframework/ai/embedding/EmbeddingClient.java

@@ -50,7 +50,7 @@ default List<Double> embed(String text) {
 	 */
 	default List<List<Double>> embed(List<String> texts) {
 		Assert.notNull(texts, "Texts must not be null");
-		return this.call(new EmbeddingRequest(texts, new EmbeddingOptions()))
+		return this.call(new EmbeddingRequest(texts, EmbeddingOptions.EMPTY))
 			.getResults()
 			.stream()
 			.map(Embedding::getOutput)
@@ -64,7 +64,7 @@ default List<List<Double>> embed(List<String> texts) {
 	 */
 	default EmbeddingResponse embedForResponse(List<String> texts) {
 		Assert.notNull(texts, "Texts must not be null");
-		return this.call(new EmbeddingRequest(texts, new EmbeddingOptions()));
+		return this.call(new EmbeddingRequest(texts, EmbeddingOptions.EMPTY));
 	}
 
 	/**

spring-ai-core/src/main/java/org/springframework/ai/embedding/EmbeddingOptions.java

@@ -21,6 +21,9 @@
 /**
  * @author Christian Tzolov
  */
-public class EmbeddingOptions implements ModelOptions {
+public interface EmbeddingOptions extends ModelOptions {
+
+	public static EmbeddingOptions EMPTY = new EmbeddingOptions() {
+	};
 
 }