summaryrefslogtreecommitdiff
path: root/cpp/src/qpid/broker/ExchangeRegistry.cpp
blob: c1eb5ff5a3c92576279552fbc9644a730fa82bf7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */

#include "config.h"
#include "ExchangeRegistry.h"
#include "DirectExchange.h"
#include "FanOutExchange.h"
#include "HeadersExchange.h"
#include "TopicExchange.h"
#ifdef HAVE_XML
#include "XmlExchange.h"
#endif
#include "qpid/management/ManagementExchange.h"
#include "qpid/framing/reply_exceptions.h"

using namespace qpid::broker;
using namespace qpid::sys;
using std::pair;
using qpid::framing::FieldTable;

pair<Exchange::shared_ptr, bool> ExchangeRegistry::declare(const string& name, const string& type) 
    throw(UnknownExchangeTypeException){

    return declare(name, type, false, FieldTable());
}

pair<Exchange::shared_ptr, bool> ExchangeRegistry::declare(const string& name, const string& type, 
                                                           bool durable, const FieldTable& args) 
    throw(UnknownExchangeTypeException){
    RWlock::ScopedWlock locker(lock);
    ExchangeMap::iterator i =  exchanges.find(name);
    if (i == exchanges.end()) {
        Exchange::shared_ptr exchange;

        if(type == TopicExchange::typeName){
            exchange = Exchange::shared_ptr(new TopicExchange(name, durable, args, parent));
        }else if(type == DirectExchange::typeName){
            exchange = Exchange::shared_ptr(new DirectExchange(name, durable, args, parent));
        }else if(type == FanOutExchange::typeName){
            exchange = Exchange::shared_ptr(new FanOutExchange(name, durable, args, parent));
        }else if (type == HeadersExchange::typeName) {
            exchange = Exchange::shared_ptr(new HeadersExchange(name, durable, args, parent));
        }else if (type == ManagementExchange::typeName) {
            exchange = Exchange::shared_ptr(new ManagementExchange(name, durable, args, parent));
        }
#ifdef HAVE_XML
	else if (type == XmlExchange::typeName) {
            exchange = Exchange::shared_ptr(new XmlExchange(name, durable, args, parent));
        }
#endif
	else{
            throw UnknownExchangeTypeException();    
        }
        exchanges[name] = exchange;
        return std::pair<Exchange::shared_ptr, bool>(exchange, true);
    } else {
        return std::pair<Exchange::shared_ptr, bool>(i->second, false);
    }
}

void ExchangeRegistry::destroy(const string& name){
    RWlock::ScopedWlock locker(lock);
    ExchangeMap::iterator i =  exchanges.find(name);
    if (i != exchanges.end()) {
        exchanges.erase(i);
    }
}

Exchange::shared_ptr ExchangeRegistry::get(const string& name){
    RWlock::ScopedRlock locker(lock);
    ExchangeMap::iterator i =  exchanges.find(name);
    if (i == exchanges.end())
        throw framing::NotFoundException(QPID_MSG("Exchange not found: " << name));
    return i->second;
}

namespace 
{
const std::string empty;
}

Exchange::shared_ptr ExchangeRegistry::getDefault()
{
    return get(empty);
}