案例1: 电商订单系统同步
电商订单系统架构图
订单增量同步流程图
订单状态变更处理流程图
订单状态说明:
- PendingPayment (待付款): Delta操作 - 新增订单实体
- Paid (已付款): Delta操作 - 更新订单状态
- Cancelled (已取消): Delta操作 - 删除实体或标记取消
- Shipped (已发货): Delta操作 - 更新状态+物流信息
- Completed (已完成): Delta操作 - 更新状态+完成时间
@Service
public class ECommerceOrderSyncService {
private final OData odata = OData.newInstance();
private final OrderRepository orderRepo;
private final CustomerRepository customerRepo;
private final ProductRepository productRepo;
/**
* 电商订单增量同步
*/
public class OrderDeltaSyncService {
/**
* 获取订单相关的增量变更
*/
public String getOrderDeltaChanges(String lastSyncToken,
String[] entitySets) throws SerializerException, IOException {
Timestamp lastSync = parseSyncToken(lastSyncToken);
Delta delta = new Delta();
// 处理订单变更
if (Arrays.asList(entitySets).contains("Orders")) {
processOrderChanges(delta, lastSync);
}
// 处理客户变更
if (Arrays.asList(entitySets).contains("Customers")) {
processCustomerChanges(delta, lastSync);
}
// 处理产品变更
if (Arrays.asList(entitySets).contains("Products")) {
processProductChanges(delta, lastSync);
}
// 处理关联关系变更
processRelationshipChanges(delta, lastSync);
// 设置分页和Delta链接
setupPaginationAndDeltaLinks(delta, entitySets);
return serializeOrderDelta(delta, entitySets);
}
private void processOrderChanges(Delta delta, Timestamp lastSync) {
// 获取变更的订单
List<Order> changedOrders = orderRepo.findChangedOrdersSince(lastSync);
for (Order order : changedOrders) {
if (order.isDeleted()) {
// 处理删除的订单
DeletedEntity deleted = new DeletedEntity(
"Orders(" + order.getId() + ")",
DeletedEntity.Reason.DELETED);
delta.getDeletedEntities().add(deleted);
} else {
// 处理新增或修改的订单
Entity orderEntity = convertOrderToEntity(order);
delta.getEntities().add(orderEntity);
}
}
}
private void processRelationshipChanges(Delta delta, Timestamp lastSync) {
// 处理订单-产品关联变更
List<OrderProductLink> linkChanges = orderRepo.findOrderProductLinkChanges(lastSync);
for (OrderProductLink linkChange : linkChanges) {
String source = "Orders(" + linkChange.getOrderId() + ")";
String target = "Products(" + linkChange.getProductId() + ")";
String relationship = "OrderItems";
DeltaLink deltaLink = new DeltaLink(source, relationship, target);
if (linkChange.isDeleted()) {
delta.getDeletedLinks().add(deltaLink);
} else {
delta.getAddedLinks().add(deltaLink);
}
}
// 处理客户-订单关联变更
List<CustomerOrderLink> customerOrderLinks =
customerRepo.findCustomerOrderLinkChanges(lastSync);
for (CustomerOrderLink link : customerOrderLinks) {
String source = "Customers(" + link.getCustomerId() + ")";
String target = "Orders(" + link.getOrderId() + ")";
String relationship = "Orders";
DeltaLink deltaLink = new DeltaLink(source, relationship, target);
if (link.isDeleted()) {
delta.getDeletedLinks().add(deltaLink);
} else {
delta.getAddedLinks().add(deltaLink);
}
}
}
private Entity convertOrderToEntity(Order order) {
Entity entity = new Entity();
// 基础属性
entity.addProperty(new Property(null, "OrderID", ValueType.PRIMITIVE, order.getId()));
entity.addProperty(new Property(null, "CustomerID", ValueType.PRIMITIVE, order.getCustomerId()));
entity.addProperty(new Property(null, "OrderDate", ValueType.PRIMITIVE,
Calendar.getInstance()));
entity.addProperty(new Property(null, "TotalAmount", ValueType.PRIMITIVE, order.getTotalAmount()));
entity.addProperty(new Property(null, "Status", ValueType.PRIMITIVE, order.getStatus().name()));
// 复杂属性 - 配送地址
if (order.getShippingAddress() != null) {
ComplexValue address = convertAddressToComplexValue(order.getShippingAddress());
entity.addProperty(new Property(null, "ShippingAddress", ValueType.COMPLEX, address));
}
// 集合属性 - 订单项
if (order.getOrderItems() != null && !order.getOrderItems().isEmpty()) {
List<ComplexValue> orderItems = order.getOrderItems().stream()
.map(this::convertOrderItemToComplexValue)
.collect(Collectors.toList());
entity.addProperty(new Property(null, "OrderItems", ValueType.COLLECTION_COMPLEX, orderItems));
}
// 审计属性
entity.addProperty(new Property(null, "CreatedAt", ValueType.PRIMITIVE, order.getCreatedAt()));
entity.addProperty(new Property(null, "UpdatedAt", ValueType.PRIMITIVE, order.getUpdatedAt()));
entity.addProperty(new Property(null, "Version", ValueType.PRIMITIVE, order.getVersion()));
return entity;
}
private ComplexValue convertOrderItemToComplexValue(OrderItem item) {
ComplexValue complex = new ComplexValue();
complex.getValue().add(new Property(null, "ProductID", ValueType.PRIMITIVE, item.getProductId()));
complex.getValue().add(new Property(null, "ProductName", ValueType.PRIMITIVE, item.getProductName()));
complex.getValue().add(new Property(null, "Quantity", ValueType.PRIMITIVE, item.getQuantity()));
complex.getValue().add(new Property(null, "UnitPrice", ValueType.PRIMITIVE, item.getUnitPrice()));
complex.getValue().add(new Property(null, "Discount", ValueType.PRIMITIVE, item.getDiscount()));
complex.getValue().add(new Property(null, "LineTotal", ValueType.PRIMITIVE, item.getLineTotal()));
return complex;
}
/**
* 处理订单状态变更的特殊逻辑
*/
public String getOrderStatusChanges(String lastSyncToken, String status)
throws SerializerException, IOException {
Timestamp lastSync = parseSyncToken(lastSyncToken);
OrderStatus targetStatus = OrderStatus.valueOf(status);
// 获取状态变更到指定状态的订单
List<Order> statusChangedOrders = orderRepo.findOrdersWithStatusChangeSince(
lastSync, targetStatus);
Delta delta = new Delta();
for (Order order : statusChangedOrders) {
Entity orderEntity = convertOrderToEntity(order);
// 添加状态变更元数据
orderEntity.addProperty(new Property(null, "StatusChangedAt",
ValueType.PRIMITIVE, order.getStatusChangedAt()));
orderEntity.addProperty(new Property(null, "PreviousStatus",
ValueType.PRIMITIVE, order.getPreviousStatus().name()));
delta.getEntities().add(orderEntity);
}
// 设置状态特定的Delta链接
String deltaToken = generateStatusSpecificDeltaToken(status);
delta.setDeltaLink("http://api.ecommerce.com/orders?$filter=Status eq '" +
status + "'&$deltatoken=" + deltaToken);
return serializeOrderDelta(delta, new String[]{"Orders"});
}
}
}
案例2: IoT设备数据收集
IoT数据收集系统架构图
IoT设备数据变更处理流程图
IoT实时数据流处理图
IoT设备状态变更时序图
@Service
public class IoTDeviceDataCollectionService {
private final OData odata = OData.newInstance();
private final DeviceRepository deviceRepo;
private final SensorDataRepository sensorRepo;
private final AlertRepository alertRepo;
/**
* IoT设备数据增量收集
*/
public class IoTDataDeltaService {
/**
* 获取设备数据变更
*/
public String getDeviceDataChanges(String deviceGroup, String lastSyncToken,
Duration timeWindow) throws SerializerException, IOException {
Timestamp lastSync = parseSyncToken(lastSyncToken);
Timestamp windowStart = Timestamp.valueOf(
LocalDateTime.now().minus(timeWindow));
// 使用最近的时间戳作为起始点
Timestamp effectiveStart = lastSync.after(windowStart) ? lastSync : windowStart;
Delta delta = new Delta();
// 处理设备状态变更
processDeviceStatusChanges(delta, deviceGroup, effectiveStart);
// 处理传感器数据
processSensorDataChanges(delta, deviceGroup, effectiveStart);
// 处理告警信息
processAlertChanges(delta, deviceGroup, effectiveStart);
// 设置时间窗口特定的Delta链接
setupTimeWindowDeltaLinks(delta, deviceGroup, timeWindow);
return serializeIoTDelta(delta, deviceGroup);
}
private void processDeviceStatusChanges(Delta delta, String deviceGroup,
Timestamp since) {
List<Device> changedDevices = deviceRepo.findDeviceStatusChangesSince(
deviceGroup, since);
for (Device device : changedDevices) {
Entity deviceEntity = new Entity();
// 设备基础信息
deviceEntity.addProperty(new Property(null, "DeviceID",
ValueType.PRIMITIVE, device.getId()));
deviceEntity.addProperty(new Property(null, "DeviceName",
ValueType.PRIMITIVE, device.getName()));
deviceEntity.addProperty(new Property(null, "DeviceGroup",
ValueType.PRIMITIVE, device.getGroup()));
deviceEntity.addProperty(new Property(null, "Status",
ValueType.PRIMITIVE, device.getStatus().name()));
// 位置信息
if (device.getLocation() != null) {
ComplexValue location = new ComplexValue();
location.getValue().add(new Property(null, "Latitude",
ValueType.PRIMITIVE, device.getLocation().getLatitude()));
location.getValue().add(new Property(null, "Longitude",
ValueType.PRIMITIVE, device.getLocation().getLongitude()));
location.getValue().add(new Property(null, "Altitude",
ValueType.PRIMITIVE, device.getLocation().getAltitude()));
deviceEntity.addProperty(new Property(null, "Location",
ValueType.COMPLEX, location));
}
// 设备属性
Map<String, Object> properties = device.getProperties();
for (Map.Entry<String, Object> prop : properties.entrySet()) {
deviceEntity.addProperty(new Property(null,
"Property_" + prop.getKey(), ValueType.PRIMITIVE, prop.getValue()));
}
// 最后通信时间
deviceEntity.addProperty(new Property(null, "LastCommunication",
ValueType.PRIMITIVE, device.getLastCommunication()));
delta.getEntities().add(deviceEntity);
}
}
private void processSensorDataChanges(Delta delta, String deviceGroup,
Timestamp since) {
// 获取传感器数据变更(按设备聚合)
List<SensorDataSummary> sensorSummaries =
sensorRepo.findSensorDataSummariesSince(deviceGroup, since);
for (SensorDataSummary summary : sensorSummaries) {
Entity sensorEntity = new Entity();
sensorEntity.addProperty(new Property(null, "DeviceID",
ValueType.PRIMITIVE, summary.getDeviceId()));
sensorEntity.addProperty(new Property(null, "SensorType",
ValueType.PRIMITIVE, summary.getSensorType()));
// 聚合数据
sensorEntity.addProperty(new Property(null, "MinValue",
ValueType.PRIMITIVE, summary.getMinValue()));
sensorEntity.addProperty(new Property(null, "MaxValue",
ValueType.PRIMITIVE, summary.getMaxValue()));
sensorEntity.addProperty(new Property(null, "AvgValue",
ValueType.PRIMITIVE, summary.getAvgValue()));
sensorEntity.addProperty(new Property(null, "LastValue",
ValueType.PRIMITIVE, summary.getLastValue()));
// 数据点数量和时间范围
sensorEntity.addProperty(new Property(null, "DataPointCount",
ValueType.PRIMITIVE, summary.getDataPointCount()));
sensorEntity.addProperty(new Property(null, "FirstReading",
ValueType.PRIMITIVE, summary.getFirstReading()));
sensorEntity.addProperty(new Property(null, "LastReading",
ValueType.PRIMITIVE, summary.getLastReading()));
// 异常数据点
if (summary.getAnomalousReadings() > 0) {
sensorEntity.addProperty(new Property(null, "AnomalousReadings",
ValueType.PRIMITIVE, summary.getAnomalousReadings()));
}
delta.getEntities().add(sensorEntity);
}
}
private void processAlertChanges(Delta delta, String deviceGroup,
Timestamp since) {
List<Alert> newAlerts = alertRepo.findNewAlertsSince(deviceGroup, since);
List<Alert> resolvedAlerts = alertRepo.findResolvedAlertsSince(deviceGroup, since);
// 新增的告警
for (Alert alert : newAlerts) {
Entity alertEntity = new Entity();
alertEntity.addProperty(new Property(null, "AlertID",
ValueType.PRIMITIVE, alert.getId()));
alertEntity.addProperty(new Property(null, "DeviceID",
ValueType.PRIMITIVE, alert.getDeviceId()));
alertEntity.addProperty(new Property(null, "AlertType",
ValueType.PRIMITIVE, alert.getType().name()));
alertEntity.addProperty(new Property(null, "Severity",
ValueType.PRIMITIVE, alert.getSeverity().name()));
alertEntity.addProperty(new Property(null, "Message",
ValueType.PRIMITIVE, alert.getMessage()));
alertEntity.addProperty(new Property(null, "CreatedAt",
ValueType.PRIMITIVE, alert.getCreatedAt()));
alertEntity.addProperty(new Property(null, "Status",
ValueType.PRIMITIVE, "ACTIVE"));
// 告警上下文数据
if (alert.getContextData() != null) {
ComplexValue context = convertMapToComplexValue(alert.getContextData());
alertEntity.addProperty(new Property(null, "ContextData",
ValueType.COMPLEX, context));
}
delta.getEntities().add(alertEntity);
}
// 已解决的告警(作为更新处理)
for (Alert alert : resolvedAlerts) {
Entity alertEntity = new Entity();
alertEntity.addProperty(new Property(null, "AlertID",
ValueType.PRIMITIVE, alert.getId()));
alertEntity.addProperty(new Property(null, "Status",
ValueType.PRIMITIVE, "RESOLVED"));
alertEntity.addProperty(new Property(null, "ResolvedAt",
ValueType.PRIMITIVE, alert.getResolvedAt()));
alertEntity.addProperty(new Property(null, "ResolvedBy",
ValueType.PRIMITIVE, alert.getResolvedBy()));
alertEntity.addProperty(new Property(null, "ResolutionNote",
ValueType.PRIMITIVE, alert.getResolutionNote()));
delta.getEntities().add(alertEntity);
}
}
/**
* 实时数据流处理
*/
@EventListener
public void handleRealTimeDeviceEvent(DeviceEvent event) {
try {
// 构建实时Delta响应
Delta realtimeDelta = new Delta();
Entity eventEntity = new Entity();
eventEntity.addProperty(new Property(null, "EventID",
ValueType.PRIMITIVE, event.getId()));
eventEntity.addProperty(new Property(null, "DeviceID",
ValueType.PRIMITIVE, event.getDeviceId()));
eventEntity.addProperty(new Property(null, "EventType",
ValueType.PRIMITIVE, event.getType().name()));
eventEntity.addProperty(new Property(null, "Timestamp",
ValueType.PRIMITIVE, event.getTimestamp()));
eventEntity.addProperty(new Property(null, "Data",
ValueType.PRIMITIVE, event.getData()));
realtimeDelta.getEntities().add(eventEntity);
// 序列化并推送到实时通道
String deltaJson = serializeIoTDelta(realtimeDelta, event.getDeviceGroup());
publishToRealTimeChannel(event.getDeviceGroup(), deltaJson);
} catch (Exception e) {
log.error("处理实时设备事件失败", e);
}
}
}
}
案例3: 金融交易数据同步
金融交易系统安全架构图
金融交易Delta处理安全流程图
金融风险评估与合规检查流程图
金融数据加密和签名流程图
@Service
public class FinancialTransactionSyncService {
private final OData odata = OData.newInstance();
private final TransactionRepository transactionRepo;
private final AccountRepository accountRepo;
private final AuditService auditService;
/**
* 金融交易增量同步
*/
public class FinancialDeltaSyncService {
/**
* 获取交易数据变更(带安全检查)
*/
@PreAuthorize("hasRole('FINANCIAL_DATA_ACCESS')")
public String getTransactionChanges(String userContext, String lastSyncToken,
String[] accountIds) throws SerializerException, IOException {
// 安全检查:验证用户对账户的访问权限
validateAccountAccess(userContext, accountIds);
Timestamp lastSync = parseSyncToken(lastSyncToken);
Delta delta = new Delta();
// 处理交易变更
processTransactionChanges(delta, accountIds, lastSync);
// 处理账户余额变更
processAccountBalanceChanges(delta, accountIds, lastSync);
// 处理风险评估变更
processRiskAssessmentChanges(delta, accountIds, lastSync);
// 审计日志
auditService.logDataAccess(userContext, "TRANSACTION_DELTA",
Arrays.asList(accountIds));
// 加密敏感数据
encryptSensitiveFields(delta);
return serializeFinancialDelta(delta, userContext);
}
private void processTransactionChanges(Delta delta, String[] accountIds,
Timestamp lastSync) {
List<Transaction> changedTransactions =
transactionRepo.findTransactionChangesSince(accountIds, lastSync);
for (Transaction transaction : changedTransactions) {
if (transaction.isDeleted()) {
// 金融交易通常不物理删除,而是标记为取消
Entity cancelledTransaction = new Entity();
cancelledTransaction.addProperty(new Property(null, "TransactionID",
ValueType.PRIMITIVE, transaction.getId()));
cancelledTransaction.addProperty(new Property(null, "Status",
ValueType.PRIMITIVE, "CANCELLED"));
cancelledTransaction.addProperty(new Property(null, "CancelledAt",
ValueType.PRIMITIVE, transaction.getCancelledAt()));
cancelledTransaction.addProperty(new Property(null, "CancellationReason",
ValueType.PRIMITIVE, transaction.getCancellationReason()));
delta.getEntities().add(cancelledTransaction);
} else {
Entity transactionEntity = convertTransactionToEntity(transaction);
delta.getEntities().add(transactionEntity);
}
}
}
private Entity convertTransactionToEntity(Transaction transaction) {
Entity entity = new Entity();
// 基础交易信息
entity.addProperty(new Property(null, "TransactionID",
ValueType.PRIMITIVE, transaction.getId()));
entity.addProperty(new Property(null, "TransactionType",
ValueType.PRIMITIVE, transaction.getType().name()));
entity.addProperty(new Property(null, "Amount",
ValueType.PRIMITIVE, transaction.getAmount()));
entity.addProperty(new Property(null, "Currency",
ValueType.PRIMITIVE, transaction.getCurrency().getCurrencyCode()));
entity.addProperty(new Property(null, "TransactionDate",
ValueType.PRIMITIVE, transaction.getTransactionDate()));
entity.addProperty(new Property(null, "Status",
ValueType.PRIMITIVE, transaction.getStatus().name()));
// 账户信息
entity.addProperty(new Property(null, "FromAccountID",
ValueType.PRIMITIVE, transaction.getFromAccountId()));
entity.addProperty(new Property(null, "ToAccountID",
ValueType.PRIMITIVE, transaction.getToAccountId()));
// 描述和分类
entity.addProperty(new Property(null, "Description",
ValueType.PRIMITIVE, transaction.getDescription()));
entity.addProperty(new Property(null, "Category",
ValueType.PRIMITIVE, transaction.getCategory()));
entity.addProperty(new Property(null, "SubCategory",
ValueType.PRIMITIVE, transaction.getSubCategory()));
// 风险评估
if (transaction.getRiskScore() != null) {
entity.addProperty(new Property(null, "RiskScore",
ValueType.PRIMITIVE, transaction.getRiskScore()));
entity.addProperty(new Property(null, "RiskLevel",
ValueType.PRIMITIVE, transaction.getRiskLevel().name()));
}
// 合规信息
if (transaction.getComplianceFlags() != null && !transaction.getComplianceFlags().isEmpty()) {
List<String> flags = new ArrayList<>(transaction.getComplianceFlags());
entity.addProperty(new Property(null, "ComplianceFlags",
ValueType.COLLECTION_PRIMITIVE, flags));
}
// 交易费用
if (transaction.getFees() != null && !transaction.getFees().isEmpty()) {
List<ComplexValue> fees = transaction.getFees().stream()
.map(this::convertFeeToComplexValue)
.collect(Collectors.toList());
entity.addProperty(new Property(null, "Fees",
ValueType.COLLECTION_COMPLEX, fees));
}
// 审计字段
entity.addProperty(new Property(null, "CreatedAt",
ValueType.PRIMITIVE, transaction.getCreatedAt()));
entity.addProperty(new Property(null, "CreatedBy",
ValueType.PRIMITIVE, transaction.getCreatedBy()));
entity.addProperty(new Property(null, "LastModifiedAt",
ValueType.PRIMITIVE, transaction.getLastModifiedAt()));
entity.addProperty(new Property(null, "LastModifiedBy",
ValueType.PRIMITIVE, transaction.getLastModifiedBy()));
entity.addProperty(new Property(null, "Version",
ValueType.PRIMITIVE, transaction.getVersion()));
return entity;
}
private void processAccountBalanceChanges(Delta delta, String[] accountIds,
Timestamp lastSync) {
List<AccountBalance> balanceChanges =
accountRepo.findBalanceChangesSince(accountIds, lastSync);
for (AccountBalance balance : balanceChanges) {
Entity balanceEntity = new Entity();
balanceEntity.addProperty(new Property(null, "AccountID",
ValueType.PRIMITIVE, balance.getAccountId()));
balanceEntity.addProperty(new Property(null, "Currency",
ValueType.PRIMITIVE, balance.getCurrency().getCurrencyCode()));
balanceEntity.addProperty(new Property(null, "AvailableBalance",
ValueType.PRIMITIVE, balance.getAvailableBalance()));
balanceEntity.addProperty(new Property(null, "BookBalance",
ValueType.PRIMITIVE, balance.getBookBalance()));
balanceEntity.addProperty(new Property(null, "PendingBalance",
ValueType.PRIMITIVE, balance.getPendingBalance()));
balanceEntity.addProperty(new Property(null, "HoldAmount",
ValueType.PRIMITIVE, balance.getHoldAmount()));
balanceEntity.addProperty(new Property(null, "LastUpdated",
ValueType.PRIMITIVE, balance.getLastUpdated()));
// 余额变更历史
if (balance.getChangeHistory() != null && !balance.getChangeHistory().isEmpty()) {
List<ComplexValue> history = balance.getChangeHistory().stream()
.map(this::convertBalanceChangeToComplexValue)
.collect(Collectors.toList());
balanceEntity.addProperty(new Property(null, "ChangeHistory",
ValueType.COLLECTION_COMPLEX, history));
}
delta.getEntities().add(balanceEntity);
}
}
/**
* 加密敏感字段
*/
private void encryptSensitiveFields(Delta delta) {
EncryptionService encryptionService = EncryptionService.getInstance();
for (Entity entity : delta.getEntities()) {
for (Property property : entity.getProperties()) {
if (isSensitiveField(property.getName())) {
Object encryptedValue = encryptionService.encrypt(property.getValue());
property.setValue(encryptedValue);
// 添加加密标记
Property encryptionFlag = new Property(null,
property.getName() + "_Encrypted", ValueType.PRIMITIVE, true);
entity.addProperty(encryptionFlag);
}
}
}
}
private boolean isSensitiveField(String fieldName) {
Set<String> sensitiveFields = Set.of(
"AccountNumber", "RoutingNumber", "SSN", "TaxID",
"CreditCardNumber", "PIN", "Password", "SecurityAnswer"
);
return sensitiveFields.contains(fieldName);
}
/**
* 序列化金融Delta数据
*/
private String serializeFinancialDelta(Delta delta, String userContext)
throws SerializerException, IOException {
// 使用完整元数据以确保数据完整性
EdmDeltaSerializer serializer = odata.createEdmDeltaSerializer(
ContentType.JSON_FULL_METADATA);
ContextURL contextURL = ContextURL.with()
.entitySet("FinancialTransactions")
.suffix(Suffix.DELTA)
.build();
DeltaSerializerOptions options = DeltaSerializerOptions.with()
.contextURL(contextURL)
.build();
SerializerResult result = serializer.entityCollection(null, null, delta, options);
String deltaJson = IOUtils.toString(result.getContent(), StandardCharsets.UTF_8);
// 添加数字签名以确保数据完整性
String signature = generateDataSignature(deltaJson, userContext);
// 包装最终响应
Map<String, Object> secureResponse = new HashMap<>();
secureResponse.put("data", deltaJson);
secureResponse.put("signature", signature);
secureResponse.put("timestamp", System.currentTimeMillis());
secureResponse.put("userContext", userContext);
return new ObjectMapper().writeValueAsString(secureResponse);
}
}
}
与其他组件集成
与Spring Cache集成
Spring Cache集成架构图
缓存策略决策流程图
与消息队列集成
消息队列集成架构图
消息处理流程图
与数据库事务集成
事务处理架构图
分布式事务处理流程图
事务回滚和恢复机制图
总结与展望
我们深入探讨了Delta序列化器的高级应用场景,包括实时数据同步、微服务间数据一致性以及移动端离线同步等。同时,通过电商订单系统、IoT设备数据收集和金融交易数据同步等实战案例,展示了Delta序列化器在不同领域的灵活应用。此外,还介绍了Delta序列化器与Spring Cache、消息队列和数据库事务等组件的集成方式,为开发者提供了丰富的参考和指导。
Delta序列化器应用场景全景图
技术架构对比矩阵
数据点说明:
- BasicSync (基础同步): [0.2, 0.3] - 简单的数据同步应用
- MobileSync (移动端同步): [0.4, 0.5] - 移动应用离线同步
- RealtimeSync (实时同步): [0.6, 0.8] - 实时数据同步系统
- IoTCollection (IoT数据收集): [0.7, 0.9] - 物联网数据采集
- MicroserviceConsistency (微服务一致性): [0.8, 0.7] - 微服务间数据一致性
- FinancialTransactionSync (金融交易同步): [0.9, 0.9] - 金融交易数据同步
- EcommerceOrderSystem (电商订单系统): [0.6, 0.6] - 电商订单处理
- CacheIntegration (缓存集成): [0.3, 0.7] - 缓存数据同步
- MessageQueueIntegration (消息队列集成): [0.5, 0.8] - 消息队列数据处理
- DistributedTransaction (分布式事务): [0.9, 0.6] - 分布式事务处理
象限说明:
- X轴(复杂度): Low_Complexity(低复杂度) → High_Complexity(高复杂度)
- Y轴(性能要求): Low_Performance(低性能要求) → High_Performance(高性能要求)
象限分析:
- 左下象限(低复杂度+低性能): 基础同步应用,适合入门学习
- 右下象限(高复杂度+低性能): 分布式事务等,需要复杂逻辑但性能要求不高
- 左上象限(低复杂度+高性能): 缓存集成等,简单但高效的应用
- 右上象限(高复杂度+高性能): IoT数据收集、金融交易等关键系统