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
|
/*
* 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.
*/
package org.apache.tuscany.sca.client.impl;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.util.List;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.apache.tuscany.sca.node.impl.NodeFactoryImpl;
import org.apache.tuscany.sca.node.impl.NodeImpl;
import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
import org.apache.tuscany.sca.runtime.EndpointRegistry;
import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistry;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
import org.oasisopen.sca.client.SCAClientFactory;
import org.oasisopen.sca.client.SCAClientFactoryFinder;
public class SCAClientFactoryImpl extends SCAClientFactory {
public static void setSCAClientFactoryFinder(SCAClientFactoryFinder factoryFinder) {
SCAClientFactory.factoryFinder = factoryFinder;
}
private ExtensionPointRegistry extensionsRegistry;
private EndpointRegistry endpointRegistry;
private NodeFactoryImpl nodeFactory;
public SCAClientFactoryImpl(URI domainURI) throws NoSuchDomainException {
super(domainURI);
this.nodeFactory = (NodeFactoryImpl)NodeFactory.getInstance();
this.extensionsRegistry = nodeFactory.getExtensionPoints();
DomainRegistryFactory domainRegistryFactory = new ExtensibleDomainRegistry(extensionsRegistry);
this.endpointRegistry = domainRegistryFactory.getEndpointRegistry(null, getDomainURI().toString()); // TODO: shouldnt use null for reg uri
// TODO: if there is not an existing endpoint registry for the domain URI the
// this should create an endpoint registry client for the remote domain (eg hazelcast native client)
// for now just throw an exception
if (endpointRegistry == null) {
throw new NoSuchDomainException(domainURI.toString());
}
}
@Override
public <T> T getService(Class<T> serviceInterface, String serviceName) throws NoSuchServiceException, NoSuchDomainException {
List<Endpoint> eps = endpointRegistry.findEndpoint(serviceName);
if (eps == null || eps.size() < 1) {
throw new NoSuchServiceException(serviceName);
}
Endpoint endpoint = eps.get(0); // TODO: what should be done with multiple endpoints?
Node localNode = findLocalNode(endpoint);
if (localNode != null) {
return localNode.getService(serviceInterface, serviceName);
}
InvocationHandler handler = new SCAClientProxyHandler(serviceName, extensionsRegistry, endpointRegistry);
return (T)Proxy.newProxyInstance(serviceInterface.getClassLoader(), new Class[] {serviceInterface}, handler);
}
private Node findLocalNode(Endpoint endpoint) {
for (Node node : nodeFactory.getNodes().values()) {
for (Endpoint ep : ((NodeImpl)node).getServiceEndpoints()) {
if (endpoint.getURI().equals(ep.getURI())) {
return node;
}
}
}
return null;
}
private String getDomainName() {
// TODO: parse to extract just the domain name from the uri
if (getDomainURI().getHost() != null) {
return getDomainURI().getHost();
}
return getDomainURI().toString();
}
}
|
