--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.incubator.adba/share/classes/jdk/incubator/sql2/Result.java Mon Apr 02 14:19:45 2018 -0400
@@ -0,0 +1,150 @@
+/*
+ * 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.util.concurrent.CompletionStage;
+
+/**
+ * All or part of the result of a database operation (lower case).
+ *
+ * A {@link Result} is valid only for the duration of the call it is passed to. Once
+ * that call has returned, the {@link Result} passed to that call is invalid and any
+ * calls to it throw {@link IllegalStateException}. {@link Result}s are not required to be
+ * thread-safe.
+ *
+ */
+public interface Result {
+
+ /**
+ * A {@link Result} that is just a number of rows modified, a {@link Long}.
+ *
+ * Note: It is certainly true that this is not needed; {@link Long} could be used
+ * instead. Seems like there might be a documentational advantage to having
+ * this type. If you don't like it, just mentally replace it with {@link Long}
+ * everywhere it appears.
+ */
+ public static interface Count extends Result {
+
+ /**
+ *
+ * @return
+ */
+ public long getCount();
+ }
+
+ /**
+ * A {@link Result} where the components can be retrieved by name. What
+ * constitutes a name is implementation dependent.
+ *
+ */
+ public static interface ResultMap extends Result {
+
+ /**
+ * Return the value indicated by the {@code id}. The {@code id} may be either the id for an
+ * OUT parameter marker or for a column. See {@link OutOperation} and
+ * {@link RowOperation}.
+ *
+ * @param <T> the type of the returned value
+ * @param id the name of the column or OUT parameter marker
+ * @param type the value indicated by {@code id} is converted to this type
+ * @return a value of type {@code T}
+ * @throws IllegalArgumentException if id is not the identifier of a value
+ * in this {@link ResultMap}
+ * @throws IllegalStateException if the call that was passed this {@link ResultMap} has
+ * ended
+ * @throws ClassCastException if the returned value cannot be converted to the
+ * specified type -- ISSUE: Not really a class cast. Maybe a new unchecked exception.
+ */
+ public <T> T get(String id, Class<T> type);
+
+ /**
+ * Returns a {@code {@link String}[]} that contains the identifiers that reference the
+ * values of this {@link ResultMap} in the same order these values are returned by the
+ * database. A {@code null} value in the array means there is a returned value for
+ * which no identifier was defined. There is no way to retrieve such a
+ * value.
+ *
+ * By default the values in the array are the identifier portion of the out
+ * parameter markers in the SQL. Alternatively the implementation may assign
+ * other identifiers, typically column names or aliases. If there
+ * are values that have no associated identifier the corresponding value in
+ * the array will be null.
+ *
+ * @return an array containing the value identifiers. Not {@code null}.
+ * @throws IllegalStateException if the call that was passed this {@link ResultMap} has
+ * ended
+ */
+ public String[] getIdentifiers();
+ }
+
+ /**
+ * Used by {@link OutOperation} to expose the out parameters of a call.
+ */
+ public static interface OutParameterMap extends ResultMap {
+ }
+
+ /**
+ * Used by {@link RowOperation} to expose each row of a row sequence.
+ */
+ public static interface Row extends ResultMap {
+
+ /**
+ * The count of {@link Row}s in the {@link Row} sequence preceeding this {@link Row}. For the first
+ * row in the Row sequence the {@link rowNumber} is 0.
+ *
+ * @return the count of {@link Row}s in the {@link Row} sequence preceeding this {@link Row}
+ * @throws IllegalStateException if the call that was passed this {@link Result} has
+ * ended
+ */
+ public long rowNumber();
+
+ /**
+ * Is this the last {@link Row} of the row sequence. If true then the result of the
+ * call that was passed this {@link Row} is the result of the {@link Operation}.
+ *
+ * @return a {@link java.util.concurrent.CompletionStage} the value of which
+ * will be true iff this the last {@link Row} of a row sequence and false otherwise
+ * @throws IllegalStateException if the call that was passed this {@link Result} has
+ * ended
+ */
+ public CompletionStage<Boolean> isLast();
+
+ /**
+ * Terminate processing of the rows in this {@link RowOperation}. The result of the
+ * call that was passed this {@link Row} will be the result of the {@link Operation}. No
+ * further rows in the row sequence will be processed. All subsequent rows,
+ * if any, will be ignored. Any rows already fetched will not be processed.
+ * Any rows not yet fetched may or may not be fetched. If fetched they will
+ * not be processed.
+ *
+ * @throws IllegalStateException if the call that was passed this {@link Result} has
+ * ended
+ */
+ public void cancel();
+
+ }
+
+}