fix use of raw types in AbstractSelectionQuery

Author: gavinking

hibernate-core/src/main/java/org/hibernate/ScrollableResults.java

@@ -33,6 +33,11 @@ public interface ScrollableResults<R> extends AutoCloseable {
 	 */
 	void close();
 
+	/**
+	 * @return {@code true} if {@link #close()} was already called
+	 */
+	boolean isClosed();
+
 	/**
 	 * Advance to the next result.
 	 *

hibernate-core/src/main/java/org/hibernate/query/internal/ScrollableResultsIterator.java

@@ -5,8 +5,8 @@
 package org.hibernate.query.internal;
 
 import org.hibernate.Incubating;
+import org.hibernate.ScrollableResults;
 import org.hibernate.query.spi.CloseableIterator;
-import org.hibernate.query.spi.ScrollableResultsImplementor;
 
 /**
  * @author Steve Ebersole
@@ -15,9 +15,9 @@
  */
 @Incubating
 public class ScrollableResultsIterator<T> implements CloseableIterator<T> {
-	private final ScrollableResultsImplementor<T> scrollableResults;
+	private final ScrollableResults<T> scrollableResults;
 
-	public ScrollableResultsIterator(ScrollableResultsImplementor<T> scrollableResults) {
+	public ScrollableResultsIterator(ScrollableResults<T> scrollableResults) {
 		this.scrollableResults = scrollableResults;
 	}
 

hibernate-core/src/main/java/org/hibernate/query/spi/AbstractSelectionQuery.java

@@ -18,6 +18,7 @@
 
 import org.hibernate.CacheMode;
 import org.hibernate.FlushMode;
+import org.hibernate.ScrollableResults;
 import org.hibernate.query.QueryFlushMode;
 import org.hibernate.HibernateException;
 import org.hibernate.LockMode;
@@ -251,15 +252,12 @@ public Stream<R> getResultStream() {
 		return stream();
 	}
 
-	@SuppressWarnings( {"unchecked", "rawtypes"} )
 	@Override
-	public Stream stream() {
-		final ScrollableResultsImplementor scrollableResults = scroll( ScrollMode.FORWARD_ONLY );
-		final ScrollableResultsIterator iterator = new ScrollableResultsIterator<>( scrollableResults );
-		final Spliterator spliterator = spliteratorUnknownSize( iterator, Spliterator.NONNULL );
-
-		final Stream stream = StreamSupport.stream( spliterator, false );
-		return (Stream) stream.onClose( scrollableResults::close );
+	public Stream<R> stream() {
+		final ScrollableResults<R> results = scroll( ScrollMode.FORWARD_ONLY );
+		final Spliterator<R> spliterator =
+				spliteratorUnknownSize( new ScrollableResultsIterator<>( results ), Spliterator.NONNULL );
+		return StreamSupport.stream( spliterator, false ).onClose( results::close );
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/query/spi/ScrollableResultsImplementor.java

@@ -14,5 +14,4 @@
  */
 @Incubating
 public interface ScrollableResultsImplementor<R> extends ScrollableResults<R> {
-	boolean isClosed();
 }