| /** |
| * 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.cob.loan; |
| |
| import static org.springframework.transaction.TransactionDefinition.PROPAGATION_REQUIRES_NEW; |
| |
| import com.google.common.collect.Lists; |
| import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import lombok.RequiredArgsConstructor; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.fineract.cob.common.CustomJobParameterResolver; |
| import org.apache.fineract.cob.data.LoanCOBParameter; |
| import org.apache.fineract.cob.domain.LoanAccountLock; |
| import org.apache.fineract.cob.domain.LockOwner; |
| import org.apache.fineract.cob.exceptions.LoanLockCannotBeAppliedException; |
| import org.apache.fineract.infrastructure.core.config.FineractProperties; |
| import org.jetbrains.annotations.NotNull; |
| import org.springframework.batch.core.StepContribution; |
| import org.springframework.batch.core.scope.context.ChunkContext; |
| import org.springframework.batch.core.step.tasklet.Tasklet; |
| import org.springframework.batch.item.ExecutionContext; |
| import org.springframework.batch.repeat.RepeatStatus; |
| import org.springframework.transaction.TransactionStatus; |
| import org.springframework.transaction.support.TransactionCallbackWithoutResult; |
| import org.springframework.transaction.support.TransactionTemplate; |
| |
| @Slf4j |
| @RequiredArgsConstructor |
| public class ApplyLoanLockTasklet implements Tasklet { |
| |
| private static final long NUMBER_OF_RETRIES = 3; |
| private final FineractProperties fineractProperties; |
| private final LoanLockingService loanLockingService; |
| private final RetrieveLoanIdService retrieveLoanIdService; |
| private final CustomJobParameterResolver customJobParameterResolver; |
| private final TransactionTemplate transactionTemplate; |
| |
| @Override |
| @SuppressFBWarnings("SLF4J_SIGN_ONLY_FORMAT") |
| public RepeatStatus execute(@NotNull StepContribution contribution, @NotNull ChunkContext chunkContext) |
| throws LoanLockCannotBeAppliedException { |
| ExecutionContext executionContext = contribution.getStepExecution().getExecutionContext(); |
| long numberOfExecutions = contribution.getStepExecution().getCommitCount(); |
| LoanCOBParameter loanCOBParameter = (LoanCOBParameter) executionContext.get(LoanCOBConstant.LOAN_COB_PARAMETER); |
| List<Long> loanIds; |
| if (Objects.isNull(loanCOBParameter) |
| || (Objects.isNull(loanCOBParameter.getMinLoanId()) && Objects.isNull(loanCOBParameter.getMaxLoanId())) |
| || (loanCOBParameter.getMinLoanId().equals(0L) && loanCOBParameter.getMaxLoanId().equals(0L))) { |
| loanIds = Collections.emptyList(); |
| } else { |
| loanIds = new ArrayList<>( |
| retrieveLoanIdService.retrieveAllNonClosedLoansByLastClosedBusinessDateAndMinAndMaxLoanId(loanCOBParameter, |
| customJobParameterResolver |
| .getCustomJobParameterById(contribution.getStepExecution(), LoanCOBConstant.IS_CATCH_UP_PARAMETER_NAME) |
| .map(Boolean::parseBoolean).orElse(false))); |
| } |
| List<List<Long>> loanIdPartitions = Lists.partition(loanIds, getInClauseParameterSizeLimit()); |
| List<LoanAccountLock> accountLocks = new ArrayList<>(); |
| loanIdPartitions.forEach(loanIdPartition -> accountLocks.addAll(loanLockingService.findAllByLoanIdIn(loanIdPartition))); |
| |
| List<Long> toBeProcessedLoanIds = new ArrayList<>(loanIds); |
| List<Long> alreadyLockedAccountIds = accountLocks.stream().map(LoanAccountLock::getLoanId).toList(); |
| |
| toBeProcessedLoanIds.removeAll(alreadyLockedAccountIds); |
| try { |
| applyLocks(toBeProcessedLoanIds); |
| } catch (Exception e) { |
| if (numberOfExecutions > NUMBER_OF_RETRIES) { |
| String message = "There was an error applying lock to loan accounts."; |
| log.error("{}", message, e); |
| throw new LoanLockCannotBeAppliedException(message, e); |
| } else { |
| return RepeatStatus.CONTINUABLE; |
| } |
| } |
| |
| return RepeatStatus.FINISHED; |
| } |
| |
| private void applyLocks(List<Long> toBeProcessedLoanIds) { |
| transactionTemplate.setPropagationBehavior(PROPAGATION_REQUIRES_NEW); |
| transactionTemplate.execute(new TransactionCallbackWithoutResult() { |
| |
| @Override |
| protected void doInTransactionWithoutResult(@NotNull TransactionStatus status) { |
| loanLockingService.applyLock(toBeProcessedLoanIds, LockOwner.LOAN_COB_CHUNK_PROCESSING); |
| } |
| }); |
| } |
| |
| private int getInClauseParameterSizeLimit() { |
| return fineractProperties.getQuery().getInClauseParameterSizeLimit(); |
| } |
| } |