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目录

概述

activiti-api的是一个非常常见的需求。

需求：

设计思路

实现思路分析

1.VariableEvent

public interface VariableCreatedEvent extends VariableEvent {}

2.EmptyResult

public class EmptyResult extends Result<Void> {public EmptyResult() {}public EmptyResult(Payload payload) {super(payload,null);}
}

3.BPMNElement

public interface BPMNElement {String getElementId();String getProcessInstanceId();String getProcessDefinitionId();
}

4.BPMNError

public interface BPMNError extends BPMNActivity {String getErrorCode();String getErrorId();
}

5.Connector

public interface Connector extends Function<IntegrationContext, IntegrationContext> {}

AbstractSecurityManager

public abstract class AbstractSecurityManager implements SecurityManager {private static final String INVALID_AUTHENTICATED_PRINCIPAL = "Invalid authenticated principal";private final SecurityContextPrincipalProvider securityContextPrincipalProvider;private final PrincipalIdentityProvider principalIdentityProvider;private final PrincipalGroupsProvider principalGroupsProvider;private final PrincipalRolesProvider principalRolesProvider;public AbstractSecurityManager(SecurityContextPrincipalProvider securityContextPrincipalProvider,PrincipalIdentityProvider principalIdentityProvider,PrincipalGroupsProvider principalGroupsProvider,PrincipalRolesProvider principalRolesProvider) {this.securityContextPrincipalProvider = securityContextPrincipalProvider;this.principalIdentityProvider = principalIdentityProvider;this.principalGroupsProvider = principalGroupsProvider;this.principalRolesProvider = principalRolesProvider;}@Overridepublic String getAuthenticatedUserId() {return securityContextPrincipalProvider.getCurrentPrincipal().map(principalIdentityProvider::getUserId).orElseThrow(this::securityException);}@Overridepublic List<String> getAuthenticatedUserGroups() {return securityContextPrincipalProvider.getCurrentPrincipal().map(principalGroupsProvider::getGroups).orElseThrow(this::securityException);}@Overridepublic List<String> getAuthenticatedUserRoles() {return securityContextPrincipalProvider.getCurrentPrincipal().map(principalRolesProvider::getRoles).orElseThrow(this::securityException);}protected SecurityException securityException() {return new SecurityException(INVALID_AUTHENTICATED_PRINCIPAL);}}

参考资料和推荐阅读

[1]. https://www.activiti.org/

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