summaryrefslogtreecommitdiffstats
path: root/tags/cpp-1.0-incubating-M2-RC3/sca/runtime/extensions/cpp/src/tuscany/sca/cpp/ComponentContextImpl.cpp
blob: 76d6bbc5f613fb5537225ba6c6cf6cc213b731f1 (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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/*
 * 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.
 */

/* $Rev$ $Date$ */

#include "tuscany/sca/util/Logging.h"
#include "osoa/sca/ServiceRuntimeException.h"
#include "tuscany/sca/cpp/ComponentContextImpl.h"
#include "tuscany/sca/model/Composite.h"
#include "tuscany/sca/model/ReferenceBinding.h"
#include "tuscany/sca/model/ReferenceType.h"
#include "tuscany/sca/model/ServiceBinding.h"

namespace tuscany
{
    namespace sca
    {
       namespace cpp
        {

        // ===========
        // Constructor
        // ===========
        ComponentContextImpl::ComponentContextImpl(Component* comp)
            : ComponentContext(0),  component(comp)
        {
            LOGENTRY(1, "ComponentContextImpl::constructor");
            LOGEXIT(1, "ComponentContextImpl::constructor");
        }
        
        // ==========
        // Destructor
        // ==========
        ComponentContextImpl::~ComponentContextImpl()
        {
        }
        
        
        // ==========================================================================
        // getServices: return a list of Proxies for services wired to this reference
        // ==========================================================================
        std::list<void*> ComponentContextImpl::getServices(const std::string& referenceName)
        {
            LOGENTRY(1, "ComponentContextImpl::getServices");
            
            // --------------------------------------------------------------
            // locate reference in the current component and determine target
            // --------------------------------------------------------------
            Reference* reference = component->findReference(referenceName);
            if (!reference)
            {
                string message = "Reference not defined: ";
                message = message + referenceName;
                throw ServiceNotFoundException(message.c_str());
            }

            // Get a service proxy from the binding configured on the reference
            CPPServiceProxy* serviceProxy =  (CPPServiceProxy*)reference->getBinding()->getServiceProxy();
            if (serviceProxy == NULL)
            {
                string message = "Reference ";
                message = message + referenceName + " not wired";
                throw ServiceNotFoundException(message.c_str());
            }
            
            return serviceProxy->getProxies();
            
        } // End getServices()
        
        
        // ===================================================================
        // getService: return a Proxy for the services wired to this reference
        // ===================================================================
        void* ComponentContextImpl::getService(const std::string& referenceName)
        {
            LOGENTRY(1, "ComponentContextImpl::getService");
            
            // --------------------------------------------------------------
            // locate reference in the current component and determine target
            // --------------------------------------------------------------
            Reference* reference = component->findReference(referenceName);
            if (!reference)
            {
                string message = "Reference not defined: ";
                message = message + referenceName;
                throw ServiceNotFoundException(message.c_str());
            }
            
            // --------------------
            // Validate the request
            // --------------------
            switch (reference->getType()->getMultiplicity())
            {
            case ReferenceType::ZERO_MANY:
            case ReferenceType::ONE_MANY:
                {
                    string message = "getService() called for reference with multiplicity >1 :";
                    message = message + referenceName;
                    throw ServiceNotFoundException(message.c_str());                    
                }
            default:
                {
                }
            } // end switch

            // Get a service proxy from the binding configured on the reference
            CPPServiceProxy* serviceProxy =  (CPPServiceProxy*)reference->getBinding()->getServiceProxy();
            if (serviceProxy == NULL)
            {
                string message = "Reference ";
                message = message + referenceName + " not wired";
                throw ServiceNotFoundException(message.c_str());
            }
            
            void* service = serviceProxy->getProxy();
            return service;
            
        } // End getService()
        
        // ==============================================
        // getProperties: return the component properties
        // ==============================================
        DataObjectPtr ComponentContextImpl::getProperties()
        {
            LOGENTRY(1, "ComponentContextImpl::getProperties");
            DataObjectPtr properties = component->getProperties();
            
            LOGEXIT(1, "ComponentContextImpl::getProperties");
            return properties;
        }

        // ==============================================
        // getDataFactory: return the data factory for the composite in which
        // this component resides
        // ==============================================
        commonj::sdo::DataFactoryPtr ComponentContextImpl::getDataFactory()
        {
            LOGENTRY(1, "ComponentContextImpl::getProperties");
            commonj::sdo::DataFactoryPtr dataFactory = component->getComposite()->getDataFactory();
            
            LOGEXIT(1, "ComponentContextImpl::getDataFactory");
            return dataFactory;
        }
        
       } // End namespace cpp
    } // End namespace sca
} // End namespace tuscany