return json format of docs in result so that client can parse it easily.

coderyjr · Jul 20, 2023 · e022b0b · e022b0b
1 parent 1766b71
commit e022b0b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/langchain-core/src/main/java/com/hw/langchain/chains/retrieval/qa/base/BaseRetrievalQA.java b/langchain-core/src/main/java/com/hw/langchain/chains/retrieval/qa/base/BaseRetrievalQA.java
@@ -22,6 +22,7 @@
 import com.google.common.collect.Maps;
 import com.hw.langchain.chains.base.Chain;
 import com.hw.langchain.chains.combine.documents.base.BaseCombineDocumentsChain;
+import com.hw.langchain.chains.query.constructor.JsonUtils;
 import com.hw.langchain.schema.Document;
 
 import java.util.List;
@@ -82,7 +83,7 @@ public Map<String, String> innerCall(Map<String, Object> inputs) {
         Map<String, String> result = Maps.newHashMap();
         result.put(outputKey, answer);
         if (this.returnSourceDocuments) {
-            result.put("source_documents", docs.toString());
+            result.put("source_documents", JsonUtils.toJsonStringWithIndent(docs, 4));
         }
         return result;
     }