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Diffstat (limited to '')
-rw-r--r-- | sca-java-1.x/tags/1.6.1-RC1/demos/mortgage-loanapproval/src/main/java/mortgage/LoanApprovalImpl.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-RC1/demos/mortgage-loanapproval/src/main/java/mortgage/LoanApprovalImpl.java b/sca-java-1.x/tags/1.6.1-RC1/demos/mortgage-loanapproval/src/main/java/mortgage/LoanApprovalImpl.java new file mode 100644 index 0000000000..40bfdc4a1d --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-RC1/demos/mortgage-loanapproval/src/main/java/mortgage/LoanApprovalImpl.java @@ -0,0 +1,84 @@ +/* + * 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 mortgage; + +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Service; + +/** + * An implementation of the LoanApproval service. + */ +@Service(LoanApproval.class) +// Service declaration +public class LoanApprovalImpl implements LoanApproval { + private CreditCheck[] creditCheck; + private MortgageCalculator mortgageCalculator; + private InterestRateQuote interestRateQuote; + + // Reference declaration using a protected or public field + @Reference + public RiskAssessment riskAssessment; + + private int minimumCreditScore = 650; + + // Property declaration using a setter method + @Property(name = "minimumCreditScore") + public void setMinimumCreditScore(int minimumCreditScore) { + this.minimumCreditScore = minimumCreditScore; + } + + // Reference declaration using a setter method + @Reference + public void setCreditCheck(CreditCheck[] creditCheck) { + this.creditCheck = creditCheck; + } + + @Reference + public void setInterestRateQuote(InterestRateQuote interestRateQuote) { + this.interestRateQuote = interestRateQuote; + } + + @Reference + public void setMortgageCalculator(MortgageCalculator mortgageCalculator) { + this.mortgageCalculator = mortgageCalculator; + } + + public boolean approve(Customer customer, double loanAmount, int years) { + int score = 0; + for (int i = 0; i < creditCheck.length; i++) { + score += creditCheck[i].getCreditScore(customer.getSsn()); + } + if (score != 0) { + score = score / creditCheck.length; + } + if (score < minimumCreditScore) { + System.err.println("Credit score " + score + " is below the minimum " + minimumCreditScore + "."); + return false; + } + float rate = interestRateQuote.getRate(customer.getState(), loanAmount, years); + double monthlyPayment = mortgageCalculator.getMonthlyPayment(loanAmount, years, rate); + double ratio = monthlyPayment / customer.getMonthlyIncome(); + boolean approved = riskAssessment.assess(score, ratio); + if (!approved) { + System.err.println("Debt/Income ratio " + ratio + " is too high."); + } + return approved; + } +} |