1 /*
2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #warn This file is preprocessed before being compiled
27
28 package java.nio;
29
30 import jdk.internal.misc.Unsafe;
31
32
33 class ByteBufferAs$Type$Buffer$RW$$BO$ // package-private
34 extends {#if[ro]?ByteBufferAs}$Type$Buffer{#if[ro]?$BO$}
35 {
36
37 #if[rw]
38
39 protected final ByteBuffer bb;
40
41 #end[rw]
42
43 ByteBufferAs$Type$Buffer$RW$$BO$(ByteBuffer bb) { // package-private
44 #if[rw]
45 super(-1, 0,
46 bb.remaining() >> $LG_BYTES_PER_VALUE$,
47 bb.remaining() >> $LG_BYTES_PER_VALUE$);
48 this.bb = bb;
49 // enforce limit == capacity
50 int cap = this.capacity();
51 this.limit(cap);
52 int pos = this.position();
68 assert address >= bb.address;
69 #else[rw]
70 super(bb, mark, pos, lim, cap, addr);
71 #end[rw]
72 }
73
74 @Override
75 Object base() {
76 return bb.hb;
77 }
78
79 public $Type$Buffer slice() {
80 int pos = this.position();
81 int lim = this.limit();
82 assert (pos <= lim);
83 int rem = (pos <= lim ? lim - pos : 0);
84 long addr = byteOffset(pos);
85 return new ByteBufferAs$Type$Buffer$RW$$BO$(bb, -1, 0, rem, rem, addr);
86 }
87
88 public $Type$Buffer duplicate() {
89 return new ByteBufferAs$Type$Buffer$RW$$BO$(bb,
90 this.markValue(),
91 this.position(),
92 this.limit(),
93 this.capacity(),
94 address);
95 }
96
97 public $Type$Buffer asReadOnlyBuffer() {
98 #if[rw]
99 return new ByteBufferAs$Type$BufferR$BO$(bb,
100 this.markValue(),
101 this.position(),
102 this.limit(),
103 this.capacity(),
104 address);
105 #else[rw]
106 return duplicate();
107 #end[rw]
|
1 /*
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #warn This file is preprocessed before being compiled
27
28 package java.nio;
29
30 import java.util.Objects;
31 import jdk.internal.misc.Unsafe;
32
33 class ByteBufferAs$Type$Buffer$RW$$BO$ // package-private
34 extends {#if[ro]?ByteBufferAs}$Type$Buffer{#if[ro]?$BO$}
35 {
36
37 #if[rw]
38
39 protected final ByteBuffer bb;
40
41 #end[rw]
42
43 ByteBufferAs$Type$Buffer$RW$$BO$(ByteBuffer bb) { // package-private
44 #if[rw]
45 super(-1, 0,
46 bb.remaining() >> $LG_BYTES_PER_VALUE$,
47 bb.remaining() >> $LG_BYTES_PER_VALUE$);
48 this.bb = bb;
49 // enforce limit == capacity
50 int cap = this.capacity();
51 this.limit(cap);
52 int pos = this.position();
68 assert address >= bb.address;
69 #else[rw]
70 super(bb, mark, pos, lim, cap, addr);
71 #end[rw]
72 }
73
74 @Override
75 Object base() {
76 return bb.hb;
77 }
78
79 public $Type$Buffer slice() {
80 int pos = this.position();
81 int lim = this.limit();
82 assert (pos <= lim);
83 int rem = (pos <= lim ? lim - pos : 0);
84 long addr = byteOffset(pos);
85 return new ByteBufferAs$Type$Buffer$RW$$BO$(bb, -1, 0, rem, rem, addr);
86 }
87
88 @Override
89 public $Type$Buffer slice(int index, int length) {
90 Objects.checkFromIndexSize(index, length, limit());
91 return new ByteBufferAs$Type$Buffer$RW$$BO$(bb,
92 -1,
93 0,
94 length,
95 length,
96 byteOffset(index));
97 }
98
99 public $Type$Buffer duplicate() {
100 return new ByteBufferAs$Type$Buffer$RW$$BO$(bb,
101 this.markValue(),
102 this.position(),
103 this.limit(),
104 this.capacity(),
105 address);
106 }
107
108 public $Type$Buffer asReadOnlyBuffer() {
109 #if[rw]
110 return new ByteBufferAs$Type$BufferR$BO$(bb,
111 this.markValue(),
112 this.position(),
113 this.limit(),
114 this.capacity(),
115 address);
116 #else[rw]
117 return duplicate();
118 #end[rw]
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