Fixed the comments

Author: mridula-s109

x-pack/plugin/rank-rrf/src/main/java/org/elasticsearch/xpack/rank/rrf/RRFRetrieverComponent.java

@@ -56,26 +56,6 @@ public XContentBuilder toXContent(XContentBuilder builder, ToXContentObject.Para
         return builder;
     }
 
-    @SuppressWarnings("unchecked")
-    static final ConstructingObjectParser<RRFRetrieverComponent, RetrieverParserContext> PARSER = new ConstructingObjectParser<>(
-        "rrf_component",
-        false,
-        (args, context) -> {
-            RetrieverBuilder retrieverBuilder = (RetrieverBuilder) args[0];
-            Float weight = (Float) args[1];
-            return new RRFRetrieverComponent(retrieverBuilder, weight);
-        }
-    );
-
-    static {
-        PARSER.declareNamedObject(constructorArg(), (p, c, n) -> {
-            RetrieverBuilder innerRetriever = p.namedObject(RetrieverBuilder.class, n, c);
-            c.trackRetrieverUsage(innerRetriever.getName());
-            return innerRetriever;
-        }, RETRIEVER_FIELD);
-        PARSER.declareFloat(optionalConstructorArg(), WEIGHT_FIELD);
-    }
-
     public static RRFRetrieverComponent fromXContent(XContentParser parser, RetrieverParserContext context) throws IOException {
         if (parser.currentToken() != XContentParser.Token.START_OBJECT) {
             throw new ParsingException(parser.getTokenLocation(), "expected object but found [{}]", parser.currentToken());

x-pack/plugin/rank-rrf/src/test/java/org/elasticsearch/xpack/rank/rrf/RRFRetrieverBuilderParsingTests.java

@@ -57,14 +57,13 @@ public static RRFRetrieverBuilder createRandomRRFRetrieverBuilder() {
 
         int retrieverCount = randomIntBetween(2, 50);
         List<CompoundRetrieverBuilder.RetrieverSource> innerRetrievers = new ArrayList<>(retrieverCount);
+        float[] weights = new float[retrieverCount];
+        int i = 0;
         while (retrieverCount > 0) {
             innerRetrievers.add(CompoundRetrieverBuilder.RetrieverSource.from(TestRetrieverBuilder.createRandomTestRetrieverBuilder()));
+            weights[i++] = randomFloat();
             --retrieverCount;
         }
-        float[] weights = new float[innerRetrievers.size()];
-        for (int i = 0; i < innerRetrievers.size(); i++) {
-            weights[i] = randomFloat();
-        }
 
         return new RRFRetrieverBuilder(innerRetrievers, fields, query, rankWindowSize, rankConstant, weights);
     }
@@ -336,7 +335,7 @@ public void testRRFRetrieverComponentErrorCases() throws IOException {
             }
             """;
 
-        expectParsingException(negativeWeightContent, "weight] must be non-negative");
+        expectParsingException(negativeWeightContent, "[weight] must be non-negative");
     }
 
     private void expectParsingException(String restContent, String expectedMessageFragment) throws IOException {