blob: fc36ec1d53f274dba09bf11128bb04090be4a1ed (
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
|
/*
* 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 loanapplication.provider.impl;
import java.io.Serializable;
import java.util.UUID;
import org.osoa.sca.annotations.Callback;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Scope;
import loanapplication.message.Application;
import loanapplication.provider.CreditService;
import loanapplication.provider.LoanService;
import loanapplication.provider.LoanServiceCallback;
import loanapplication.provider.RateService;
/**
* The loan service implementation
*/
@Scope("CONVERSATION")
public class LoanServiceImpl implements LoanService, Serializable {
private static final long serialVersionUID = 7801583139613235069L;
// the loan number, demonstrates the use of conversational state
private String loanNumber;
private CreditService creditService;
private RateService rateService;
private LoanServiceCallback callback;
/**
* Instantiates a new component instance, passing in references to the credit and rate services
*
* @param creditService the credit service
* @param rateService the rate service
*/
public LoanServiceImpl(@Reference(name = "creditService", required = true)CreditService creditService,
@Reference(name = "rateService", required = true)RateService rateService) {
this.creditService = creditService;
this.rateService = rateService;
}
/**
* A setter method for injecting the client callback reference. The reference will be injected by the runtime
*
* @param callback the client callback reference
*/
@Callback
public void setCallback(LoanServiceCallback callback) {
this.callback = callback;
}
public void apply(Application application) {
String id = application.getCustomerID();
loanNumber = UUID.randomUUID().toString();
System.out.println("---------------------------------------------------------------------");
System.out.println("Application received for customer");
System.out.println("Assigned loan number: " + loanNumber);
System.out.println("---------------------------------------------------------------------");
int rating = creditService.getCreditScore(id);
if (rating > 500) {
// approve the loan
callback.creditScoreResult(rating);
rateService.getRate(application.getType());
callback.applicationResult(LoanServiceCallback.APPROVED);
} else {
// reject the loan
callback.creditScoreResult(rating);
callback.applicationResult(LoanServiceCallback.DECLINED);
}
}
public void secureLoan() {
System.out.println("---------------------------------------------------------------------");
System.out.println("Loan secured");
System.out.println("Loan number: " + loanNumber);
System.out.println("---------------------------------------------------------------------");
}
public void cancel() {
System.out.println("---------------------------------------------------------------------");
System.out.println("Loan cancelled");
System.out.println("Loan number: " + loanNumber);
System.out.println("---------------------------------------------------------------------");
}
}
|
