01: /*
02:
03: Derby - Class org.apache.derby.iapi.services.classfile.CONSTANT_Long_info
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (the "License"); you may not use this file except in compliance with
10: the License. You may obtain a copy of the License at
11:
12: http://www.apache.org/licenses/LICENSE-2.0
13:
14: Unless required by applicable law or agreed to in writing, software
15: distributed under the License is distributed on an "AS IS" BASIS,
16: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: See the License for the specific language governing permissions and
18: limitations under the License.
19:
20: */
21:
22: package org.apache.derby.iapi.services.classfile;
23:
24: import org.apache.derby.iapi.services.classfile.VMDescriptor;
25: import java.io.IOException;
26:
27: /** Long Constant - page 97 - Section 4.4.5 */
28: final class CONSTANT_Long_info extends ConstantPoolEntry {
29: private final long value;
30:
31: CONSTANT_Long_info(long value) {
32: super (VMDescriptor.CONSTANT_Long);
33: doubleSlot = true; //See page 98.
34: this .value = value;
35: }
36:
37: public int hashCode() {
38: return (int) value;
39: }
40:
41: public boolean equals(Object other) {
42:
43: // check it is the right type
44: if (other instanceof CONSTANT_Long_info) {
45:
46: return value == ((CONSTANT_Long_info) other).value;
47: }
48:
49: return false;
50: }
51:
52: int classFileSize() {
53: // 1 (tag) + 8 (long length)
54: return 1 + 8;
55: }
56:
57: void put(ClassFormatOutput out) throws IOException {
58: super.put(out);
59: out.writeLong(value);
60: }
61: }
|