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Java > Open Source Codes > com > google > gwt > user > client > rpc > impl > AbstractSerializationStream


1 /*
2  * Copyright 2006 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.user.client.rpc.impl;
17
18 /**
19  * Base class for the client and server serialization streams. This class
20  * handles the basic serialization and desirialization formatting for primitive
21  * types since these are common between the client and the server.
22  */
23 public abstract class AbstractSerializationStream {
24
25   public static final int SERIALIZATION_STREAM_FLAGS_NO_TYPE_VERSIONING = 1;
26   public static final int SERIALIZATION_STREAM_VERSION = 2;
27
28   protected int flags = 0;
29
30   protected int version;
31
32   public final void addFlags(int flags) {
33     this.flags |= flags;
34   }
35
36   public final int getFlags() {
37     return flags;
38   }
39
40   public final int getVersion() {
41     return version;
42   }
43
44   public final void setFlags(int flags) {
45     this.flags = flags;
46   }
47
48   public final boolean shouldEnforceTypeVersioning() {
49     return (flags & SERIALIZATION_STREAM_FLAGS_NO_TYPE_VERSIONING) == 0;
50   }
51
52   protected final void setVersion(int version) {
53     this.version = version;
54   }
55 }
56
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