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201 lines
11 KiB
Java
201 lines
11 KiB
Java
package com.yau.digitalrmb.institutionidentity.application;
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import com.yau.digitalrmb.institutionidentity.domain.CurrencyGenerationRequest;
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import com.yau.digitalrmb.institutionidentity.domain.CurrencyGenerationRequestRepository;
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import com.yau.digitalrmb.institutionidentity.application.InstitutionKeyService;
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import com.yau.digitalrmb.institutionidentity.application.InstitutionKeySubject;
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import com.yau.digitalrmb.institutionidentity.application.IssuedInstitutionIdentifierQueryService;
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import com.yau.digitalrmb.institutionidentity.application.IssuedInstitutionIdentifierResult;
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import com.yau.digitalrmb.institutionidentity.domain.InstitutionIdentityCryptography;
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import com.yau.digitalrmb.shared.api.ErrorCode;
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import com.yau.digitalrmb.shared.exception.BusinessException;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.math.BigDecimal;
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@Service
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public class CurrencyGenerationRequestService {
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@Resource
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private CurrencyGenerationRequestRepository repository;
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@Resource
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private IssuedInstitutionIdentifierQueryService identifierQueryService;
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@Resource
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private InstitutionIdentityCryptography cryptography;
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@Resource
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private InstitutionKeyService keyService;
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@Resource
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private InstitutionTrainingScoreService scoreService;
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@Resource
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private InstitutionTrainingErrorRecorder errorRecorder;
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@Transactional
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public CurrencyDigestResult generateDigest(BigDecimal amount, String deliveryNodeCode,
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String institutionIdentifier, String requestTimestamp,
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InstitutionKeySubject subject, String operator) {
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IssuedInstitutionIdentifierResult identifier = identifierQueryService.requireLatestFeedbacked(subject);
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if (!identifier.getInstitutionIdentifier().equals(institutionIdentifier)) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR,
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"机构标识与步骤一反馈给当前实训主体的机构标识不一致");
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}
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long identifierApplicationId = identifier.getApplicationId();
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CurrencyGenerationRequest request = repository.findLatestBySubject(subject.getUserId(), subject.getSchoolId(),
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subject.getClassId()).orElse(null);
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CurrencyGenerationRequest input = invokeDomainWithResult(() -> CurrencyGenerationRequest.prepare(
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identifierApplicationId, institutionIdentifier,
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identifier.getFullInstitutionIdentifier(), amount, deliveryNodeCode, requestTimestamp));
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if (request == null) {
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long requestId = repository.save(input, subject.getUserId(), subject.getSchoolId(), subject.getClassId(),
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operator);
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request = CurrencyGenerationRequest.restore(requestId, input.getIdentifierApplicationId(),
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input.getInstitutionIdentifier(), input.getFullInstitutionIdentifier(), input.getAmount(),
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input.getDeliveryNodeCode(), input.getRequestTimestamp(), input.getRequestOriginalText(),
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null, null, null, null, null, input.getStatus());
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}
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String digest = cryptography.sm3(input.getRequestOriginalText());
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CurrencyGenerationRequest.Status expected = request.getStatus();
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CurrencyGenerationRequest current = request;
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invokeDomain(() -> current.replaceDigestInput(input.getIdentifierApplicationId(),
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input.getInstitutionIdentifier(), input.getFullInstitutionIdentifier(), input.getAmount(),
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input.getDeliveryNodeCode(), input.getRequestTimestamp(), digest));
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repository.update(request, expected, "DIGEST", expected == CurrencyGenerationRequest.Status.DIGESTED
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? "修改当前货币生成请求并重新计算SM3摘要"
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: "初始化请求后使用SM3计算并保存请求摘要", operator);
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return new CurrencyDigestResult(digest);
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}
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@Transactional
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public CurrencyRequestResult sign(String privateKey, InstitutionKeySubject subject, String operator) {
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CurrencyGenerationRequest request = requireCurrentIdentifierRequest(subject);
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CurrencyGenerationRequest.Status expected = request.getStatus();
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String signature = keyService.signCommercialBank(subject, privateKey, requireDigest(request));
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if (signature == null) {
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int errorSequence = errorRecorder.recordScoreError(subject.getUserId());
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throw new BusinessException(ErrorCode.VALIDATION_ERROR,
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"签名必须使用当前实训主体的商业银行第二私钥，本次实训第"
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+ errorSequence + "次错误");
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}
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invokeDomain(() -> request.recordSignature(InstitutionKeyService.BANK_SECOND_KEY, signature, privateKey));
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repository.update(request, expected, "SIGN", "使用商业银行第二私钥完成SM2签名", operator);
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return new CurrencyRequestResult(request);
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}
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@Transactional
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public CurrencyRequestResult packageRequest(InstitutionKeySubject subject, String operator) {
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CurrencyGenerationRequest request = requireCurrentIdentifierRequest(subject);
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return new CurrencyRequestResult(packageForSending(request, operator));
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}
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@Transactional
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public CurrencyRequestResult send(InstitutionKeySubject subject, String operator) {
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CurrencyGenerationRequest request = requireCurrentIdentifierRequest(subject);
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CurrencyGenerationRequest.Status expected = request.getStatus();
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invokeDomain(request::send);
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repository.update(request, expected, "SEND", "商业银行发送货币生成请求至央行", operator);
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expected = request.getStatus();
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invokeDomain(request::receive);
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repository.update(request, expected, "RECEIVE", "央行成功接收货币生成请求", operator);
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scoreService.markStepCompleted(subject.getUserId(), 2);
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return new CurrencyRequestResult(request);
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}
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private CurrencyGenerationRequest packageForSending(CurrencyGenerationRequest request, String operator) {
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CurrencyGenerationRequest.Status expected = request.getStatus();
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String message = buildRequestMessage(request);
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invokeDomain(() -> request.packageMessage(message));
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repository.update(request, expected, "PACKAGE", "发送前由后端自动组装货币生成请求报文", operator);
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return request;
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}
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private static String buildRequestMessage(CurrencyGenerationRequest request) {
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return "{\"requestId\":\"" + displayRequestId(request)
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+ "\",\"orgId\":\"" + request.getInstitutionIdentifier()
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+ "\",\"amount\":\"" + request.getAmount().setScale(2).toPlainString()
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+ "\",\"systemId\":\"" + request.getDeliveryNodeCode()
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+ "\",\"timestamp\":\"" + request.getRequestTimestamp()
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+ "\",\"digest\":\"" + request.getRequestDigest()
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+ "\",\"signature\":\"" + request.getBankSignature() + "\"}";
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}
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public static String displayRequestId(CurrencyGenerationRequest request) {
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String date = request.getRequestTimestamp().substring(0, 8);
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return "REQ_" + date + "_" + String.format("%03d", request.getId() % 1000);
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}
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@Transactional(readOnly = true)
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public CurrencyRequestResult page(InstitutionKeySubject subject) {
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return repository.findLatestBySubject(subject.getUserId(), subject.getSchoolId(), subject.getClassId())
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.map(CurrencyRequestResult::new)
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.orElseGet(CurrencyRequestResult::new);
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}
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@Transactional(readOnly = true)
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public CurrencyGenerationRequest requireReceived(long requestId, InstitutionKeySubject subject) {
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CurrencyGenerationRequest request = requireRequest(requestId, subject);
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if (request.getStatus() != CurrencyGenerationRequest.Status.RECEIVED) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR, "步骤二尚未完成央行接收，不能进入步骤三");
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}
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return request;
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}
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private CurrencyGenerationRequest requireRequest(long requestId, InstitutionKeySubject subject) {
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return repository.findByIdAndSubject(requestId, subject.getUserId(), subject.getSchoolId(),
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subject.getClassId()).orElseThrow(() ->
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new BusinessException(ErrorCode.RESOURCE_NOT_FOUND,
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"当前实训主体下的货币生成请求不存在或已删除"));
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}
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private CurrencyGenerationRequest requireCurrentIdentifierRequest(InstitutionKeySubject subject) {
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IssuedInstitutionIdentifierResult identifier = identifierQueryService.requireLatestFeedbacked(subject);
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CurrencyGenerationRequest request = requireLatestRequest(subject);
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if (!identifier.getInstitutionIdentifier().equals(request.getInstitutionIdentifier())) {
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throw new BusinessException(ErrorCode.RESOURCE_NOT_FOUND,
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"当前步骤一机构标识尚未创建步骤二货币生成请求");
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}
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return request;
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}
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private CurrencyGenerationRequest requireLatestRequest(InstitutionKeySubject subject) {
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return repository.findLatestBySubject(subject.getUserId(), subject.getSchoolId(), subject.getClassId())
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.orElseThrow(() -> new BusinessException(ErrorCode.RESOURCE_NOT_FOUND,
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"当前实训主体下没有可查询的货币生成请求"));
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}
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private static String requireOriginalText(CurrencyGenerationRequest request) {
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if (request.getRequestOriginalText() == null) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR, "请先完成请求原文拼接");
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}
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return request.getRequestOriginalText();
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}
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private static String requireDigest(CurrencyGenerationRequest request) {
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if (request.getRequestDigest() == null) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR, "请先完成SM3摘要计算");
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}
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return request.getRequestDigest();
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}
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private static void invokeDomain(Runnable operation) {
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try {
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operation.run();
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} catch (IllegalArgumentException | IllegalStateException exception) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR, exception.getMessage());
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}
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}
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private static <T> T invokeDomainWithResult(DomainSupplier<T> supplier) {
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try {
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return supplier.get();
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} catch (IllegalArgumentException | IllegalStateException exception) {
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throw new BusinessException(ErrorCode.VALIDATION_ERROR, exception.getMessage());
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}
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}
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private interface DomainSupplier<T> {
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T get();
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}
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}
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