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
|
/*
* 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.registry.hazelcast.client;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.registry.hazelcast.HazelcastDomainRegistry;
import org.apache.tuscany.sca.registry.hazelcast.RegistryConfig;
import org.apache.tuscany.sca.runtime.RuntimeProperties;
import com.hazelcast.client.ClientProperties;
import com.hazelcast.client.ClientProperties.ClientPropertyName;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.core.HazelcastInstance;
/**
* An DomainRegistry using a Hazelcast Native Client
*/
public class HazelcastClientEndpointRegistry extends HazelcastDomainRegistry {
RegistryConfig rc;
HazelcastClient hazelcastClient;
public HazelcastClientEndpointRegistry(ExtensionPointRegistry registry,
Map<String, String> attributes,
String domainRegistryURI,
String domainURI) {
super(registry, attributes, domainRegistryURI, domainURI);
}
@Override
public void start() {
if (endpointMap != null) {
throw new IllegalStateException("The registry has already been started");
}
initHazelcastClientInstance();
endpointMap = hazelcastClient.getMap(rc.getUserid() + "/Endpoints");
endpointOwners = hazelcastClient.getMultiMap(rc.getUserid() + "/EndpointOwners");
runningComponentContributions = hazelcastClient.getMap(rc.getUserid() + "/RunningComponentContributions");
contributionDescriptions = hazelcastClient.getMap(rc.getUserid() + "/ContributionDescriptions");
}
@Override
public void stop() {
if (hazelcastClient != null) {
hazelcastClient.shutdown();
hazelcastClient = null;
endpointMap = null;
}
}
private void initHazelcastClientInstance() {
if (this.domainURI == null) {
this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties();
this.domainURI = properties.getProperty("defaultDomainName", "default");
}
this.rc = RegistryConfig.parseConfigURI(domainURI);
if (rc.getWKAs().size() < 1) {
String ip = getDefaultWKA();
if (ip != null) {
rc.getWKAs().add(ip);
}
}
if (rc.getWKAs().size() < 1) {
throw new IllegalArgumentException("No local domain instance found, please use domain URI 'wka=' argument to define IP address(es) for domain");
}
// Hazelcast is outputs a lot on info level log messages which are unnecessary for us,
// so disable info logging for hazelcast client classes unless fine logging is on for tuscany.
if (!Logger.getLogger(this.getClass().getName()).isLoggable(Level.CONFIG)) {
Logger hzl = Logger.getLogger("com.hazelcast");
if (!hzl.isLoggable(Level.FINE)) {
hzl.setLevel(Level.WARNING);
}
}
ClientProperties clientProps = ClientProperties.crateBaseClientProperties(rc.getUserid(), rc.getPassword());
clientProps.setPropertyValue(ClientPropertyName.INIT_CONNECTION_ATTEMPTS_LIMIT, "1");
this.hazelcastClient = HazelcastClient.newHazelcastClient(clientProps, rc.getWKAs().toArray(new String[0]));
}
@Override
public HazelcastInstance getHazelcastInstance() {
return hazelcastClient;
}
/**
* As a default connect to a local runtime instance listening on port 14820
*/
protected static String getDefaultWKA() {
Socket s = null;
try {
s = new Socket(InetAddress.getLocalHost(), 14820);
if (s.isConnected()) {
return s.getInetAddress().getHostAddress() + ":14820";
}
} catch (IOException e) {
} finally {
if (s != null) {
try {
s.close();
} catch (IOException e) {
}
}
}
return null;
}
}
|
