Provide a RowSet#stream().

Motivation:

RowSet extends Iterable to provide iterations over the rows contained in the set.

We should support returning a java.util.stream.Stream as well.

Changes:

Add a stream() default method to RowSet that returns a java.util.stream.Stream.

Author: vietj

vertx-sql-client/src/main/java/io/vertx/sqlclient/RowSet.java

@@ -19,6 +19,9 @@
 
 import io.vertx.codegen.annotations.VertxGen;
 
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+
 /**
  * The execution result of the row set of a query provided as {@code <R>}, commonly used as a {@code RowSet<Row>}.
  * Using a collector query might provide a different result.
@@ -32,4 +35,10 @@ public interface RowSet<R> extends Iterable<R>, SqlResult<RowSet<R>> {
   @Override
   RowSet<R> next();
 
+  /**
+   * @return a stream of rows
+   */
+  default Stream<R> stream() {
+    return StreamSupport.stream(spliterator(), false);
+  }
 }