Convert suggestion response parsing to use NamedXContentRegistry (#23355)

We recently added parsing code to parse suggesters responses into java api objects. This was done using a switch based on the type of the returned suggestion. We can now replace the switch with using NamedXContentRegistry, which will also be used for aggs parsing.

1 files changed, 6 insertions, 0 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 ed45104d99..229b77aad2 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
@@ -94,6 +94,12 @@ public final class CompletionSuggestion extends Suggest.Suggestion<CompletionSug
         return getOptions().size() > 0;
     }
 
+    public static CompletionSuggestion fromXContent(XContentParser parser, String name) throws IOException {
+        CompletionSuggestion suggestion = new CompletionSuggestion(name, -1);
+        parseEntries(parser, suggestion, CompletionSuggestion.Entry::fromXContent);
+        return suggestion;
+    }
+
     private static final class OptionPriorityQueue extends org.apache.lucene.util.PriorityQueue<Entry.Option> {
 
         private final Comparator<Suggest.Suggestion.Entry.Option> comparator;