Ensure processor lists are unmodifiable

Thanks @nknize! Signed-off-by: Michael Froh <froh@amazon.com>
opensearch-project · May 22, 2023 · faabc42 · faabc42
1 parent da7baac
commit faabc42
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/server/src/main/java/org/opensearch/search/pipeline/Pipeline.java b/server/src/main/java/org/opensearch/search/pipeline/Pipeline.java
@@ -46,7 +46,7 @@ class Pipeline {
 
     private final NamedWriteableRegistry namedWriteableRegistry;
 
-    Pipeline(
+    private Pipeline(
         String id,
         @Nullable String description,
         @Nullable Integer version,
@@ -62,7 +62,7 @@ class Pipeline {
         this.namedWriteableRegistry = namedWriteableRegistry;
     }
 
-    public static Pipeline create(
+    static Pipeline create(
         String id,
         Map<String, Object> config,
         Map<String, Processor.Factory<SearchRequestProcessor>> requestProcessorFactories,
@@ -111,7 +111,7 @@ private static <T extends Processor> List<T> readProcessors(
                 processors.add(processorFactories.get(type).create(processorFactories, tag, description, config));
             }
         }
-        return processors;
+        return Collections.unmodifiableList(processors);
     }
 
     String getId() {