Adding fromXContent to Suggestion.Entry and subclasses (#23202)

This adds parsing from xContent to Suggestion.Entry and its subclasses for Terms-, Phrase-
and CompletionSuggestion.Entry.

1 files changed, 13 insertions, 2 deletions

diff --git a/core/src/main/java/org/elasticsearch/search/suggest/completion/CompletionSuggestion.java b/core/src/main/java/org/elasticsearch/search/suggest/completion/CompletionSuggestion.java
index 33ff15fbbb..51b44a300d 100644
--- a/core/src/main/java/org/elasticsearch/search/suggest/completion/CompletionSuggestion.java
+++ b/core/src/main/java/org/elasticsearch/search/suggest/completion/CompletionSuggestion.java
@@ -194,8 +194,7 @@ public final class CompletionSuggestion extends Suggest.Suggestion<CompletionSug
             super(text, offset, length);
         }
 
-        protected Entry() {
-            super();
+        Entry() {
         }
 
         @Override
@@ -203,6 +202,18 @@ public final class CompletionSuggestion extends Suggest.Suggestion<CompletionSug
             return new Option();
         }
 
+        private static ObjectParser<Entry, Void> PARSER = new ObjectParser<>("CompletionSuggestionEntryParser", true,
+                Entry::new);
+
+        static {
+            declareCommonFields(PARSER);
+            PARSER.declareObjectArray(Entry::addOptions, (p,c) -> Option.fromXContent(p), new ParseField(OPTIONS));
+        }
+
+        public static Entry fromXContent(XContentParser parser) {
+            return PARSER.apply(parser, null);
+        }
+
         public static class Option extends Suggest.Suggestion.Entry.Option {
             private Map<String, Set<CharSequence>> contexts = Collections.emptyMap();
             private ScoreDoc doc;