--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.incubator.adba/share/classes/jdk/incubator/sql2/LocalOperation.java	Mon Apr 02 14:19:45 2018 -0400
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c)  2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package jdk.incubator.sql2;
+
+import java.time.Duration;
+import java.util.concurrent.Callable;
+import java.util.function.Consumer;
+
+/**
+ * An {@link Operation} that calls a user defined function when executed. Does
+ * not perform any database action. The result of a {@link LocalOperation} is
+ * the result of calling the {@link Callable}. This type allows user code to
+ * execute arbitrary code at particular points in the sequence of
+ * {@link Operation}s executed by a {@link Connection} without having to execute
+ * a specific database action at the same time.
+ *
+ * @param <T> the type of the result of this {@link Operation}
+ */
+public interface LocalOperation<T> extends Operation<T> {
+
+  /**
+   * Provides a result processor for this {@link Operation}. The result
+   * processor is called when this {@link LocalOperation} is executed. The
+   * result of this {@link LocalOperation} is the result of calling
+   * {@code callable}.
+   *
+   * @param callable the result processor called when this {@link Operation} is
+   * executed
+   * @return this {@link LocalOperation}
+   * @throws IllegalStateException if this method has already been called or
+   * this {@link Operation} has been submitted.
+   */
+  public LocalOperation<T> onExecution(Callable<T> callable);
+
+  @Override
+  public LocalOperation<T> onError(Consumer<Throwable> handler);
+
+  @Override
+  public LocalOperation<T> timeout(Duration minTime);
+  
+}