Prevent caching of projections #321

speedment · May 19, 2023 · b19e7f1 · b19e7f1
1 parent fa32c08
commit b19e7f1
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/...ain/java/com/speedment/jpastreamer/application/standard/internal/StandardJPAStreamer.java b/...ain/java/com/speedment/jpastreamer/application/standard/internal/StandardJPAStreamer.java
@@ -54,9 +54,7 @@ final class StandardJPAStreamer implements JPAStreamer {
     @SuppressWarnings("unchecked")
     public <T> Stream<T> stream(final StreamConfiguration<T> streamConfiguration) {
         requireNonNull(streamConfiguration);
-        if (streamConfiguration.joins().isEmpty()) {
-            // Only cache simple configurations to limit the number of objects held
-            // See https://github.com/speedment/jpa-streamer/issues/56
+        if (cached(streamConfiguration)) {
             return (Stream<T>) streamerCache
                     .computeIfAbsent(streamConfiguration, ec -> new StandardStreamer<>(streamConfiguration, entityManagerSupplier))
                     .stream();
@@ -85,6 +83,12 @@ public void close() {
         closeHandler.run(); 
     }
 
+    // Only cache simple configurations to limit the number of objects held
+    // See https://github.com/speedment/jpa-streamer/issues/56
+    private <T> boolean cached(final StreamConfiguration<T> streamConfiguration) {
+        return streamConfiguration.joins().isEmpty() && !streamConfiguration.selections().isPresent(); 
+    }
+
     private void printGreeting(final ApplicationInformation info) {
         final String greeting = String.format("%s%n" +
                         ":: %s %s :: %s%n" +