| /** |
| * 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.fineract.portfolio.loanaccount.data; |
| |
| import java.time.LocalDate; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| public class LoanTermVariationsDataWrapper { |
| |
| private final List<LoanTermVariationsData> exceptionData; |
| private ListIterator<LoanTermVariationsData> iterator; |
| private final List<LoanTermVariationsData> interestRateChanges; |
| private final List<LoanTermVariationsData> interestRateFromInstallment; |
| private final List<LoanTermVariationsData> dueDateVariation; |
| private ListIterator<LoanTermVariationsData> dueDateIterator; |
| |
| public LoanTermVariationsDataWrapper(final List<LoanTermVariationsData> exceptionData) { |
| if (exceptionData == null) { |
| this.exceptionData = new ArrayList<>(1); |
| } else { |
| this.exceptionData = exceptionData; |
| } |
| this.interestRateChanges = new ArrayList<>(); |
| this.dueDateVariation = new ArrayList<>(); |
| this.interestRateFromInstallment = new ArrayList<>(); |
| deriveLoanTermVariations(); |
| } |
| |
| public boolean hasVariation(final LocalDate date) { |
| ListIterator<LoanTermVariationsData> iterator = this.iterator; |
| return hasNext(date, iterator); |
| } |
| |
| private boolean hasNext(final LocalDate date, ListIterator<LoanTermVariationsData> iterator) { |
| boolean hasVariation = false; |
| if (iterator.hasNext()) { |
| LoanTermVariationsData loanTermVariationsData = iterator.next(); |
| if (!loanTermVariationsData.getTermApplicableFrom().isAfter(date)) { |
| hasVariation = true; |
| } |
| iterator.previous(); |
| } |
| return hasVariation; |
| } |
| |
| public boolean hasDueDateVariation(final LocalDate date) { |
| ListIterator<LoanTermVariationsData> iterator = this.dueDateIterator; |
| return hasNext(date, iterator); |
| } |
| |
| public LoanTermVariationsData nextVariation() { |
| return this.iterator.next(); |
| } |
| |
| public LoanTermVariationsData nextDueDateVariation() { |
| return this.dueDateIterator.next(); |
| } |
| |
| public LoanTermVariationsData previousDueDateVariation() { |
| return this.dueDateIterator.previous(); |
| } |
| |
| public List<LoanTermVariationsData> getInterestRateChanges() { |
| return this.interestRateChanges; |
| } |
| |
| public List<LoanTermVariationsData> getDueDateVariation() { |
| return this.dueDateVariation; |
| } |
| |
| public List<LoanTermVariationsData> getExceptionData() { |
| return this.exceptionData; |
| } |
| |
| public void setExceptionData(final List<LoanTermVariationsData> exceptionData) { |
| clearTerms(); |
| this.exceptionData.addAll(exceptionData); |
| deriveLoanTermVariations(); |
| } |
| |
| public void clearTerms() { |
| this.exceptionData.clear(); |
| this.interestRateChanges.clear(); |
| this.dueDateVariation.clear(); |
| this.interestRateFromInstallment.clear(); |
| } |
| |
| public List<LoanTermVariationsData> getInterestRateFromInstallment() { |
| return this.interestRateFromInstallment; |
| } |
| |
| public int adjustNumberOfRepayments() { |
| int repaymetsForAdjust = 0; |
| for (LoanTermVariationsData loanTermVariations : this.exceptionData) { |
| if (loanTermVariations.getTermVariationType().isInsertInstallment()) { |
| repaymetsForAdjust++; |
| } else if (loanTermVariations.getTermVariationType().isDeleteInstallment()) { |
| repaymetsForAdjust--; |
| } |
| } |
| return repaymetsForAdjust; |
| } |
| |
| public LoanTermVariationsData fetchLoanTermDueDateVariationsData(final LocalDate onDate) { |
| LoanTermVariationsData data = null; |
| for (LoanTermVariationsData termVariationsData : this.dueDateVariation) { |
| if (onDate.isEqual(termVariationsData.getTermApplicableFrom())) { |
| data = termVariationsData; |
| break; |
| } |
| } |
| return data; |
| } |
| |
| public boolean hasExceptionVariation(final LocalDate date, ListIterator<LoanTermVariationsData> exceptionDataListIterator) { |
| ListIterator<LoanTermVariationsData> iterator = exceptionDataListIterator; |
| return hasNext(date, iterator); |
| } |
| |
| public void updateLoanTermVariationsData(final List<LoanTermVariationsData> exceptionData) { |
| if (this.exceptionData != null && exceptionData != null && exceptionData.size() > 0) { |
| this.exceptionData.addAll(exceptionData); |
| deriveLoanTermVariations(); |
| } |
| } |
| |
| private void deriveLoanTermVariations() { |
| Collections.sort(this.exceptionData); |
| for (LoanTermVariationsData loanTermVariationsData : this.exceptionData) { |
| if (loanTermVariationsData.getTermVariationType().isInterestRateVariation()) { |
| this.interestRateChanges.add(loanTermVariationsData); |
| } else if (loanTermVariationsData.getTermVariationType().isDueDateVariation()) { |
| this.dueDateVariation.add(loanTermVariationsData); |
| } else if (loanTermVariationsData.getTermVariationType().isInterestRateFromInstallment()) { |
| this.interestRateFromInstallment.add(loanTermVariationsData); |
| } |
| } |
| Collections.sort(this.dueDateVariation); |
| this.exceptionData.removeAll(this.interestRateChanges); |
| this.exceptionData.removeAll(this.dueDateVariation); |
| this.exceptionData.removeAll(this.interestRateFromInstallment); |
| this.iterator = this.exceptionData.listIterator(); |
| this.dueDateIterator = this.dueDateVariation.listIterator(); |
| } |
| |
| public void resetVariations() { |
| |
| for (LoanTermVariationsData loanTermVariationsData : this.exceptionData) { |
| loanTermVariationsData.setProcessed(false); |
| } |
| this.iterator = this.exceptionData.listIterator(); |
| this.dueDateIterator = this.dueDateVariation.listIterator(); |
| } |
| |
| } |