--- a/src/java.sql/share/classes/java/sql2/SqlBlob.java Thu Mar 29 15:59:58 2018 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,255 +0,0 @@
-/*
- * 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 java.sql2;
-
-import java.nio.channels.AsynchronousByteChannel;
-import java.util.concurrent.CompletionStage;
-
-/**
- * A reference to a BINARY LARGE OBJECT in the attached database.
- *
- */
-public interface SqlBlob extends AutoCloseable {
-
- /**
- * Return an {@link Operation} that will release the temporary resources
- * associated with this {@link SqlBlob}.
- *
- * @return an {@link Operation} that will release the temporary resources
- * associated with this {@link SqlBlob}.
- */
- public Operation<Void> closeOperation();
-
- @Override
- public default void close() {
- this.closeOperation().submit();
- }
-
- /**
- * Return a {@link Operation} that fetches the position of this {@link SqlBlob}.
- * The position is 1-based. Position 0 is immediately before the first byte in
- * the {@link SqlBlob}. Position 1 is the first byte in the {@link SqlBlob}, etc.
- * Position {@link length()} is the last byte in the {@link SqlBlob}.
- *
- * Position is between 0 and length + 1.
- *
- * @return a {@link Operation} that returns the position of this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public Operation<Long> getPositionOperation();
-
- /**
- * Get the position of this {@link SqlBlob}. The position is 1-based. Position 0
- * is immediately before the first byte in the {@link SqlBlob}. Position 1 is the
- * first byte in the {@link SqlBlob}, etc. Position {@link length()} is the last
- * byte in the {@link SqlBlob}.
- *
- * Position is between 0 and length + 1.
- *
- * ISSUE: Should position be 1-based as SQL seems to do or 0-based as Java
- * does?
- *
- * @return a future which value is the 1-based position of this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public default CompletionStage<Long> getPosition() {
- return getPositionOperation().submit().getCompletionStage();
- }
-
- /**
- * Return a {@link Operation} that fetches the length of this {@link SqlBlob}.
- *
- * @return a {@link Operation} that returns the length of this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public Operation<Long> lengthOperation();
-
- /**
- * Get the length of this {@link SqlBlob}.
- *
- * @return a future which value is the number of bytes in this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public default CompletionStage<Long> length() {
- return lengthOperation().submit().getCompletionStage();
- }
-
- /**
- * Return a {@link Operation} that sets the position of this {@link SqlBlob}. If
- * offset exceeds the length of this {@link SqlBlob} set position to the length +
- * 1 of this {@link SqlBlob}, ie one past the last byte.
- *
- * @param offset a non-negative number
- * @return a {@link Operation} that sets the position of this {@link SqlBlob}
- * @throws IllegalArgumentException if {@code offset} is less than 0
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public Operation<Long> setPositionOperation(long offset);
-
- /**
- * Set the position of this {@link SqlBlob}. If offset exceeds the length of this
- * {@link SqlBlob} set position to the length + 1 of this {@link SqlBlob}, ie one
- * past the last byte.
- *
- * @param offset the 1-based position to set
- * @return this {@link SqlBlob}
- * @throws IllegalArgumentException if offset is less than 0
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public default SqlBlob setPosition(long offset) {
- setPositionOperation(offset).submit();
- return this;
- }
-
- /**
- * Return a {@link Operation} to set the position to the beginning of the next
- * occurrence of the target after the position. If there is no such occurrence
- * set the position to 0.
- *
- * @param target a {@link SqlBlob} created by the same {@link Connection}
- * containing the byte sequence to search for
- * @return a {@link Operation} that locates {@code target} in this
- * {@link SqlBlob}
- * @throws IllegalArgumentException if {@code target} was created by some
- * other {@link Connection}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public Operation<Long> locateOperation(SqlBlob target);
-
- /**
- * Set the position to the beginning of the next occurrence of the target
- * after the position. If there is no such occurrence set the position to 0.
- *
- * @param target the byte sequence to search for
- * @return this {@link SqlBlob}
- * @throws IllegalArgumentException if {@code target} was created by some
- * other {@link Connection}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed
- */
- public default SqlBlob locate(SqlBlob target) {
- locateOperation(target).submit();
- return this;
- }
-
- /**
- * Return an {@link Operation} to set the position to the beginning of the
- * next occurrence of the target after the position. If there is no such
- * occurrence set the position to 0.
- *
- * @param target the byte sequence to search for. Not {@code null}. Captured.
- * @return a {@link Operation} that locates {@code target} in this
- * {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public Operation<Long> locateOperation(byte[] target);
-
- /**
- * Set the position to the beginning of the next occurrence of the target
- * after the position. If there is no such occurrence set the position to 0.
- *
- * @param target the byte sequence to search for
- * @return this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public default SqlBlob locate(byte[] target) {
- locateOperation(target).submit();
- return this;
- }
-
- /**
- * Return a {@link Operation} that truncates this {@link SqlBlob} so that the
- * current position is the end of the {@link SqlBlob}. If the position is N, then
- * after {@link trim()} the length is N - 1. The position is still N. This
- * will fail if position is 0.
- *
- * @return a {@link Operation} that trims the length of this {@link SqlBlob}
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed or position is 0.
- */
- public Operation<Long> trimOperation();
-
- /**
- * Truncate this {@link SqlBlob} so that the current position is the end of the
- * {@link SqlBlob}. If the position is N, then after {@link trim()} the length is
- * N - 1. The position is still N. This will fail if position is 0.
- *
- * @return this SqlBlob
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed or position is 0.
- */
- public default SqlBlob trim() {
- trimOperation().submit();
- return this;
- }
-
- /**
- * Return a {@link java.nio.channels.Channel} that can be used to read bytes from the
- * {@link SqlBlob} beginning at the position. Reading bytes from the returned
- * {@link java.nio.channels.Channel} advances the position.
- *
- * Each call to a read method that fetches bytes from the server creates and
- * submits a virtual {@link Operation} to fetch those bytes. This virtual
- * {@link Operation} is executed in sequence with other {@link Operation}s and
- * may be skipped if an error occurs.
- *
- * @return a read-only byte {@link java.nio.channels.Channel} beginning at the position.
- * @throws IllegalStateException if the {@link Connection} that created this
- SqlBlob is closed.
- */
- public AsynchronousByteChannel getReadChannel();
-
- /**
- * Return a {@link java.nio.channels.Channel} that can be used to write bytes
- * to this {@link SqlBlob} beginning at the position. Bytes written overwrite
- * bytes already in the {@link SqlBlob}. Writing bytes to the returned
- * {@link java.nio.channels.Channel} advances the position.
- *
- * Each call to a write method that flushes bytes to the server creates and
- * submits a virtual {@link Operation} to flush those bytes. This virtual
- * {@link Operation} is executed in sequence with other {@link Operation}s and
- * may be skipped if an error occurs.
- *
- * ISSUE: Can the app read bytes from a write
- * {@link java.nio.channels.Channel}? If so then maybe remove
- * {@link getReadChannel} and add a read-only flag to this method, renamed
- * {@code getChannel}.
- *
- * @return a writable byte {@link java.nio.channels.Channel} beginning at the
- * position.
- * @throws IllegalStateException if the {@link Connection} that created this
- * {@link SqlBlob} is closed.
- */
- public AsynchronousByteChannel getWriteChannel();
-}