activemq-cpp-3.9.5
IdGenerator.h
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1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
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5 * The ASF licenses this file to You under the Apache License, Version 2.0
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7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
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14 * See the License for the specific language governing permissions and
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16 */
17
18#ifndef _ATIVEMQ_UTIL_IDGENERATOR_H_
19#define _ATIVEMQ_UTIL_IDGENERATOR_H_
20
22
23#include <string>
24
25namespace activemq {
26namespace library {
27 class ActiveMQCPP;
28}
29namespace util {
30
31 class IdGeneratorKernel;
32
33 class AMQCPP_API IdGenerator {
34 private:
35
36 std::string prefix;
37 mutable std::string seed;
38 mutable long long sequence;
39
40 static IdGeneratorKernel* kernel;
41
42 private:
43
44 IdGenerator(const IdGenerator&);
45 IdGenerator& operator=(const IdGenerator&);
46
47 public:
48
50
51 IdGenerator(const std::string& prefix);
52
53 virtual ~IdGenerator();
54
55 public:
56
60 std::string generateId() const;
61
62 public:
63
70 static std::string getHostname();
71
77 static std::string getSeedFromId(const std::string& id);
78
84 static long long getSequenceFromId(const std::string& id);
85
96 static int compare(const std::string& id1, const std::string& id2);
97
98 private:
99
100 static void initialize();
101 static void shutdown();
102
104 };
105
106}}
107
108#endif /* _ATIVEMQ_UTIL_IDGENERATOR_H_ */
#define AMQCPP_API
Definition Config.h:30
Definition ActiveMQCPP.h:26
std::string generateId() const
static int compare(const std::string &id1, const std::string &id2)
Compares two generated id values.
static std::string getSeedFromId(const std::string &id)
Gets the seed value from a Generated Id, the count portion is removed.
static std::string getHostname()
Since the initialization of this object results in the retrieval of the machine's host name we can qu...
static long long getSequenceFromId(const std::string &id)
Gets the count value from a Generated Id, the seed portion is removed.
IdGenerator(const std::string &prefix)
Definition ActiveMQCPP.h:24
Definition ActiveMQMessageTransformation.h:36
Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
Definition CachedConsumer.h:24