Add equals() and hashCode() for Prompt and SearchRequest

spring-ai-core/src/main/java/org/springframework/ai/prompt/Prompt.java

@@ -21,6 +21,7 @@ import org.springframework.ai.prompt.messages.UserMessage;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 
 public class Prompt {
 
@@ -55,4 +56,19 @@ public class Prompt {
 		return "Prompt{" + "messages=" + messages + '}';
 	}
 
+	@Override
+	public boolean equals(Object o) {
+		if (this == o)
+			return true;
+		if (o == null || getClass() != o.getClass())
+			return false;
+		Prompt prompt = (Prompt) o;
+		return Objects.equals(messages, prompt.messages);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(messages);
+	}
+
 }

spring-ai-core/src/main/java/org/springframework/ai/vectorstore/SearchRequest.java

@@ -22,6 +22,8 @@ import org.springframework.ai.vectorstore.filter.FilterExpressionBuilder;
 import org.springframework.ai.vectorstore.filter.FilterExpressionTextParser;
 import org.springframework.util.Assert;
 
+import java.util.Objects;
+
 /**
  * Similarity search request builder. Use the {@link #query(String)}, {@link #defaults()}
  * or {@link #from(SearchRequest)} factory methods to create a new {@link SearchRequest}
@@ -248,4 +250,26 @@ public class SearchRequest {
 		return this.filterExpression != null;
 	}
 
+	@Override
+	public String toString() {
+		return "SearchRequest{" + "query='" + query + '\'' + ", topK=" + topK + ", similarityThreshold="
+				+ similarityThreshold + ", filterExpression=" + filterExpression + '}';
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o)
+			return true;
+		if (o == null || getClass() != o.getClass())
+			return false;
+		SearchRequest that = (SearchRequest) o;
+		return topK == that.topK && Double.compare(that.similarityThreshold, similarityThreshold) == 0
+				&& Objects.equals(query, that.query) && Objects.equals(filterExpression, that.filterExpression);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(query, topK, similarityThreshold, filterExpression);
+	}
+
 }