Added experimental api

Author: bbakerman

src/main/java/org/dataloader/annotations/ExperimentalApi.java

@@ -0,0 +1,23 @@
+package org.dataloader.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.CONSTRUCTOR;
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.TYPE;
+
+/**
+ * This represents code that the graphql-java project considers experimental API and while our intention is that it will
+ * progress to be {@link PublicApi}, its existence, signature of behavior may change between releases.
+ *
+ * In general unnecessary changes will be avoided but you should not depend on experimental classes being stable
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(value = {CONSTRUCTOR, METHOD, TYPE, FIELD})
+@Documented
+public @interface ExperimentalApi {
+}

src/main/java/org/dataloader/registries/ScheduledDataLoaderRegistry.java

@@ -2,7 +2,7 @@
 
 import org.dataloader.DataLoader;
 import org.dataloader.DataLoaderRegistry;
-import org.dataloader.annotations.PublicApi;
+import org.dataloader.annotations.ExperimentalApi;
 
 import java.time.Duration;
 import java.util.HashMap;
@@ -23,8 +23,10 @@
  * <p>
  * If you wanted to create a ScheduledDataLoaderRegistry that started a rescheduling immediately, just create one and
  * call {@link #rescheduleNow()}.
+ * <p>
+ * This code is currently marked as {@link ExperimentalApi}
  */
-@PublicApi
+@ExperimentalApi
 public class ScheduledDataLoaderRegistry extends DataLoaderRegistry implements AutoCloseable {
 
     private final ScheduledExecutorService scheduledExecutorService;