How to use

ServicePathManager

in

org.apache.servicecomb.common.rest.locator

protected RequestMeta createRequestMeta(String httpMethod, URI uri) {
 String microserviceName = uri.getAuthority();
 ReferenceConfig referenceConfig = findReferenceConfig(microserviceName);
 MicroserviceMeta microserviceMeta = referenceConfig.getMicroserviceMeta();
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager == null) {
  throw new Error(String.format("no schema defined for %s:%s",
    microserviceMeta.getAppId(),
    microserviceMeta.getName()));
 }
 OperationLocator locator = servicePathManager.consumerLocateOperation(path, httpMethod);
 RestOperationMeta swaggerRestOperation = locator.getOperation();
 Map<String, String> pathParams = locator.getPathVarMap();
 return new RequestMeta(referenceConfig, swaggerRestOperation, pathParams);
}

 protected ServicePathManager findPathManager(Map<String, ServicePathManager> mgrMap,
   MicroserviceMeta microserviceMeta) {
  ServicePathManager mgr = mgrMap.get(microserviceMeta.getName());
  if (mgr != null) {
   return mgr;
  }

  mgr = ServicePathManager.getServicePathManager(microserviceMeta);
  if (mgr == null) {
   mgr = new ServicePathManager(microserviceMeta);
  } else {
   mgr = mgr.cloneServicePathManager();
  }
  mgrMap.put(microserviceMeta.getName(), mgr);
  return mgr;
 }
}

public void buildProducerPaths() {
 String urlPrefix = System.getProperty(Const.URL_PREFIX);
 if (StringUtils.isEmpty(urlPrefix)) {
  producerPaths = swaggerPaths;
  producerPaths.printPaths();
  return;
 }
 producerPaths = new MicroservicePaths();
 for (OperationGroup operationGroup : swaggerPaths.getStaticPathOperationMap().values()) {
  addProducerPaths(urlPrefix, operationGroup.values());
 }
 addProducerPaths(urlPrefix, swaggerPaths.getDynamicPathOperationList());
 producerPaths.printPaths();
}

@Override
public void onSchemaLoaded(SchemaMeta... schemaMetas) {
 // 此时相应的ServicePathManager可能正在被使用，为避免太高的复杂度，使用copy on write逻辑
 Map<String, ServicePathManager> mgrMap = new HashMap<>();
 for (SchemaMeta schemaMeta : schemaMetas) {
  MicroserviceMeta microserviceMeta = schemaMeta.getMicroserviceMeta();
  ServicePathManager mgr = findPathManager(mgrMap, microserviceMeta);
  mgr.addSchema(schemaMeta);
 }
 for (ServicePathManager mgr : mgrMap.values()) {
  // 对具有动态path operation进行排序
  mgr.sortPath();
  mgr.saveToMicroserviceMeta();
 }
}

@Override
public void onBootEvent(BootEvent event) {
 if (!event.getEventType().equals(EventType.BEFORE_REGISTRY)) {
  return;
 }
 MicroserviceMeta microserviceMeta = SCBEngine.getInstance().getProducerMicroserviceMeta();
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager != null) {
  servicePathManager.buildProducerPaths();
 }
}

protected void findRestOperation(MicroserviceMeta microserviceMeta) {
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager == null) {
  LOGGER.error("No schema defined for {}:{}.", microserviceMeta.getAppId(), microserviceMeta.getName());
  throw new InvocationException(Status.NOT_FOUND, Status.NOT_FOUND.getReasonPhrase());
 }
 OperationLocator locator = locateOperation(servicePathManager);
 requestEx.setAttribute(RestConst.PATH_PARAMETERS, locator.getPathVarMap());
 this.restOperationMeta = locator.getOperation();
}

public void addSchema(SchemaMeta schemaMeta) {
 if (isSchemaExists(schemaMeta.getSchemaId())) {
  return;
 }
 schemaIdSet.add(schemaMeta.getSchemaId());
 for (OperationMeta operationMeta : schemaMeta.getOperations()) {
  RestOperationMeta restOperationMeta = new RestOperationMeta();
  restOperationMeta.init(operationMeta);
  operationMeta.putExtData(RestConst.SWAGGER_REST_OPERATION, restOperationMeta);
  addResource(restOperationMeta);
 }
 LOGGER.info("add schema to service paths. {}:{}:{}.",
   schemaMeta.getMicroserviceMeta().getAppId(),
   schemaMeta.getMicroserviceName(),
   schemaMeta.getSchemaId());
}

@Override
protected OperationLocator locateOperation(ServicePathManager servicePathManager) {
 return servicePathManager.consumerLocateOperation(requestEx.getRequestURI(), requestEx.getMethod());
}

public ServicePathManager cloneServicePathManager() {
 ServicePathManager mgr = new ServicePathManager(microserviceMeta);
 swaggerPaths.cloneTo(mgr.swaggerPaths);
 mgr.schemaIdSet.addAll(schemaIdSet);
 return mgr;
}

@Override
protected OperationLocator locateOperation(ServicePathManager servicePathManager) {
 return servicePathManager.producerLocateOperation(requestEx.getRequestURI(), requestEx.getMethod());
}

@Override
public void onBootEvent(BootEvent event) {
 if (!event.getEventType().equals(EventType.BEFORE_REGISTRY)) {
  return;
 }
 MicroserviceMeta microserviceMeta = SCBEngine.getInstance().getProducerMicroserviceMeta();
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager != null) {
  servicePathManager.buildProducerPaths();
 }
}

@Override
public void onSchemaLoaded(SchemaMeta... schemaMetas) {
 // 此时相应的ServicePathManager可能正在被使用，为避免太高的复杂度，使用copy on write逻辑
 Map<String, ServicePathManager> mgrMap = new HashMap<>();
 for (SchemaMeta schemaMeta : schemaMetas) {
  MicroserviceMeta microserviceMeta = schemaMeta.getMicroserviceMeta();
  ServicePathManager mgr = findPathManager(mgrMap, microserviceMeta);
  mgr.addSchema(schemaMeta);
 }
 for (ServicePathManager mgr : mgrMap.values()) {
  // 对具有动态path operation进行排序
  mgr.sortPath();
  mgr.saveToMicroserviceMeta();
 }
}

protected void findRestOperation(MicroserviceMeta microserviceMeta) {
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager == null) {
  LOGGER.error("No schema defined for {}:{}.", microserviceMeta.getAppId(), microserviceMeta.getName());
  throw new InvocationException(Status.NOT_FOUND, Status.NOT_FOUND.getReasonPhrase());
 }
 OperationLocator locator = locateOperation(servicePathManager);
 requestEx.setAttribute(RestConst.PATH_PARAMETERS, locator.getPathVarMap());
 this.restOperationMeta = locator.getOperation();
}

public void addSchema(SchemaMeta schemaMeta) {
 if (isSchemaExists(schemaMeta.getSchemaId())) {
  return;
 }
 schemaIdSet.add(schemaMeta.getSchemaId());
 for (OperationMeta operationMeta : schemaMeta.getOperations()) {
  RestOperationMeta restOperationMeta = new RestOperationMeta();
  restOperationMeta.init(operationMeta);
  operationMeta.putExtData(RestConst.SWAGGER_REST_OPERATION, restOperationMeta);
  addResource(restOperationMeta);
 }
 LOGGER.info("add schema to service paths. {}:{}:{}.",
   schemaMeta.getMicroserviceMeta().getAppId(),
   schemaMeta.getMicroserviceName(),
   schemaMeta.getSchemaId());
}

public ServicePathManager cloneServicePathManager() {
 ServicePathManager mgr = new ServicePathManager(microserviceMeta);
 swaggerPaths.cloneTo(mgr.swaggerPaths);
 mgr.schemaIdSet.addAll(schemaIdSet);
 return mgr;
}

@Override
protected OperationLocator locateOperation(ServicePathManager servicePathManager) {
 return servicePathManager.producerLocateOperation(requestEx.getRequestURI(), requestEx.getMethod());
}

protected RequestMeta createRequestMeta(String httpMethod, URI uri) {
 String microserviceName = uri.getAuthority();
 ReferenceConfig referenceConfig = findReferenceConfig(microserviceName);
 MicroserviceMeta microserviceMeta = referenceConfig.getMicroserviceMeta();
 ServicePathManager servicePathManager = ServicePathManager.getServicePathManager(microserviceMeta);
 if (servicePathManager == null) {
  throw new Error(String.format("no schema defined for %s:%s",
    microserviceMeta.getAppId(),
    microserviceMeta.getName()));
 }
 OperationLocator locator = servicePathManager.consumerLocateOperation(path, httpMethod);
 RestOperationMeta swaggerRestOperation = locator.getOperation();
 Map<String, String> pathParams = locator.getPathVarMap();
 return new RequestMeta(referenceConfig, swaggerRestOperation, pathParams);
}

 protected ServicePathManager findPathManager(Map<String, ServicePathManager> mgrMap,
   MicroserviceMeta microserviceMeta) {
  ServicePathManager mgr = mgrMap.get(microserviceMeta.getName());
  if (mgr != null) {
   return mgr;
  }

  mgr = ServicePathManager.getServicePathManager(microserviceMeta);
  if (mgr == null) {
   mgr = new ServicePathManager(microserviceMeta);
  } else {
   mgr = mgr.cloneServicePathManager();
  }
  mgrMap.put(microserviceMeta.getName(), mgr);
  return mgr;
 }
}

public void buildProducerPaths() {
 String urlPrefix = System.getProperty(Const.URL_PREFIX);
 if (StringUtils.isEmpty(urlPrefix)) {
  producerPaths = swaggerPaths;
  producerPaths.printPaths();
  return;
 }
 producerPaths = new MicroservicePaths();
 for (OperationGroup operationGroup : swaggerPaths.getStaticPathOperationMap().values()) {
  addProducerPaths(urlPrefix, operationGroup.values());
 }
 addProducerPaths(urlPrefix, swaggerPaths.getDynamicPathOperationList());
 producerPaths.printPaths();
}