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
|
/*******************************************************************************
* Copyright 2017 ZTE, Inc. and others.
*
* Licensed 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.onap.msb.sdk.httpclient.handler;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import org.onap.msb.sdk.httpclient.ProxyRetrofitCall;
import org.onap.msb.sdk.httpclient.ServiceHttpEndPointObject;
import org.onap.msb.sdk.httpclient.exception.RetrofitServiceRuntimeException;
import org.onap.msb.sdk.httpclient.lb.LoadBalanceContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import jersey.repackaged.com.google.common.collect.Lists;
import retrofit2.Call;
/**
* @author 10071214
*
*/
public class RetrofitServiceHandler implements InvocationHandler {
private final static Logger logger = LoggerFactory.getLogger(RetrofitServiceHandler.class);
private static long periodTime = 60;
static {
try {
String periodStr = System.getenv("retrofit_route_cache_refresh_period");
periodTime = periodStr != null ? Long.valueOf(periodStr) : 60;
logger.info("retrofit_route_cache_refresh_period:" + periodTime);
} catch (Exception e) {
logger.warn("", e);
}
}
private RetrofitServiceHandlerContext flowContext;
private AtomicReference<Map<ServiceHttpEndPointObject, Object>> endPointToRetrofitRef =
new AtomicReference();
public RetrofitServiceHandler(RetrofitServiceHandlerContext flowContext) {
super();
this.flowContext = flowContext;
logger.info("retrofit_route_cache_refresh_period:" + periodTime);
}
/*
* (non-Javadoc)
*
* @see java.lang.reflect.InvocationHandler#invoke(java.lang.Object, java.lang.reflect.Method,
* java.lang.Object[])
*/
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Object retrofitObject = null;
ServiceHttpEndPointObjectWapper wapper = null;
updateMsbInfo();
wapper = selectRetrofitObjectByLBStrategy(
flowContext.getRetrofitObjectBuilder().buildRetrofitObject(endPointToRetrofitRef, null),
method, args);
retrofitObject = wapper.retrofitObject;
Object resultObjecct = method.invoke(retrofitObject, args);
if (resultObjecct instanceof Call) {
Call targetCall = (Call) resultObjecct;
return new ProxyRetrofitCall(targetCall, this, wapper.endPoint, proxy, method, args);
}
return resultObjecct;
}
public Object reInvoke(Object proxy, Method method, Object[] args,
ServiceHttpEndPointObject endPoint) throws Throwable {
Object retrofitObject = null;
ServiceHttpEndPointObjectWapper wapper = null;
updateMsbInfo();
Map<ServiceHttpEndPointObject, Object> serviceHttpEndPointObjectMap =
flowContext.getRetrofitObjectBuilder().buildRetrofitObject(endPointToRetrofitRef, endPoint);
wapper = selectRetrofitObjectByLBStrategy(serviceHttpEndPointObjectMap, method, args);
retrofitObject = wapper.retrofitObject;
Object resultObjecct = method.invoke(retrofitObject, args);
return resultObjecct;
}
private void updateMsbInfo() {
if (System.currentTimeMillis() - flowContext.getLastUpdateMsbTime() > periodTime * 1000) {
clean();
}
}
public void clean() {
endPointToRetrofitRef.set(null);
}
private ServiceHttpEndPointObjectWapper selectRetrofitObjectByLBStrategy(
Map<ServiceHttpEndPointObject, Object> srvEndPointToRetrofit, Method method, Object[] args)
throws RetrofitServiceRuntimeException {
LoadBalanceContext ctx = new LoadBalanceContext();
ctx.setEndPoints(Lists.newArrayList(srvEndPointToRetrofit.keySet()));
ctx.setArgs(args);
ctx.setMethod(method);
ServiceHttpEndPointObject endPoint = flowContext.getLbStrategy().chooseEndPointObject(ctx);
return new ServiceHttpEndPointObjectWapper(endPoint, srvEndPointToRetrofit.get(endPoint));
}
}
class ServiceHttpEndPointObjectWapper {
protected ServiceHttpEndPointObject endPoint;
protected Object retrofitObject;
public ServiceHttpEndPointObjectWapper(ServiceHttpEndPointObject endPoint,
Object retrofitObject) {
super();
this.endPoint = endPoint;
this.retrofitObject = retrofitObject;
}
}
|
