Add generic DataFetcherResult.newBuilder(T data) method

jord1e · jord1e · commit bc7e739cc179 · 2026-02-20T11:50:02.000+01:00
diff --git a/src/main/java/graphql/execution/DataFetcherResult.java b/src/main/java/graphql/execution/DataFetcherResult.java
@@ -175,6 +175,19 @@ public static <T> Builder<T> newResult() {
         return new Builder<>();
     }
 
+    /**
+     * Creates a new data fetcher result builder with associated data.
+     * <p>Data may later be overwritten using {@link Builder#data(Object)}.
+     *
+     * @param data the data
+     * @param <T> the type of the result
+     *
+     * @return a new builder
+     */
+    public static <T> Builder<@Nullable T> newResult(@Nullable T data) {
+        return new Builder<>(data);
+    }
+
     public static class Builder<T extends @Nullable Object> {
         private @Nullable T data;
         private @Nullable Object localContext;
diff --git a/src/test/groovy/graphql/execution/DataFetcherResultTest.groovy b/src/test/groovy/graphql/execution/DataFetcherResultTest.groovy
@@ -21,6 +21,27 @@ class DataFetcherResultTest extends Specification {
         result.getErrors() == [error1, error2]
     }
 
+    def "building with generics"() {
+        when:
+        DataFetcherResult<String> result = DataFetcherResult.newResult("hello")
+                .error(error1).errors([error2]).localContext("world").build()
+        then:
+        result.getData() == "hello"
+        result.getLocalContext() == "world"
+        result.getErrors() == [error1, error2]
+    }
+
+    def "building with generics data can be overwritten in builder"() {
+        when:
+        DataFetcherResult<String> result = DataFetcherResult.newResult("someText")
+                .data("hello")
+                .error(error1).errors([error2]).localContext("world").build()
+        then:
+        result.getData() == "hello"
+        result.getLocalContext() == "world"
+        result.getErrors() == [error1, error2]
+    }
+
     def "hasErrors can be called"() {
         when:
         def builder = DataFetcherResult.newResult()
