# camunda-demo

**Repository Path**: h_deng_study/camunda-demo

## Basic Information

- **Project Name**: camunda-demo
- **Description**: No description available
- **Primary Language**: Java
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-07-16
- **Last Updated**: 2025-09-06

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README



    @Test
    public void createProcessInstanceByKey() {
        String processInstanceByKey = "leave";
        String activityId = "Activity_1r8r4jn";

        ProcessInstantiationBuilder processInstantiationBuilder = runtimeService.createProcessInstanceByKey(processInstanceByKey);
        ProcessInstance processInstance = processInstantiationBuilder.businessKey("001")
                //某节点之前开始
                .startBeforeActivity(activityId)
                .execute();
        System.out.println(processInstance.getId() + "," + processInstance.getBusinessKey() + "," + processInstance.getProcessDefinitionId());

    }



    @Test
    public void createProcessInstanceByKey2() {
        String processInstanceByKey = "leave";
        String activityId = "Flow_1c279og";

        ProcessInstantiationBuilder processInstantiationBuilder = runtimeService.createProcessInstanceByKey(processInstanceByKey);
        ProcessInstance processInstance = processInstantiationBuilder.businessKey("001")
                //从连线开始触发
                .startTransition(activityId)
                .execute();
        System.out.println(processInstance.getId() + "," + processInstance.getBusinessKey() + "," + processInstance.getProcessDefinitionId());

    }



    @Test
    public void createProcessInstanceByKey3() {
        String processInstanceByKey = "leave";
        String activityId = "Activity_0zafxq7";

        ProcessInstantiationBuilder processInstantiationBuilder = runtimeService.createProcessInstanceByKey(processInstanceByKey);
        ProcessInstance processInstance = processInstantiationBuilder.businessKey("001")
                //某节点之后
                .startAfterActivity(activityId)
                .execute();
        System.out.println(processInstance.getId() + "," + processInstance.getBusinessKey() + "," + processInstance.getProcessDefinitionId());

    }


    @Test
    public void createProcessInstanceByKey4() {
        String processInstanceByKey = "leave";
        String activityId = "Activity_0zafxq7";

        //跳过监听器
        boolean skipCustomListeners = true;
        boolean skipIoMappings = true;

        ProcessInstantiationBuilder processInstantiationBuilder = runtimeService.createProcessInstanceByKey(processInstanceByKey);
        ProcessInstance processInstance = processInstantiationBuilder.businessKey("001")
                .startAfterActivity(activityId)
                .execute(skipCustomListeners, skipIoMappings);
        System.out.println(processInstance.getId() + "," + processInstance.getBusinessKey() + "," + processInstance.getProcessDefinitionId());




package com.hujha.bpmn.converter;

import java.util.Arrays;
import java.util.Optional;
import org.camunda.bpm.model.bpmn.instance.*;


public enum BpmnElementType {
// Default
UNSPECIFIED(null, null),

SequenceFlow("SequenceFlow", SequenceFlow.class),
START_EVENT("ApproveStartEvent", StartEvent.class),
END_EVENT("EndTerminateEvent", EndEvent.class),

// Containers
SUB_PROCESS("subProcess", SubProcess.class),
EVENT_SUB_PROCESS(null, null),

// Events


INTERMEDIATE_CATCH_EVENT("intermediateCatchEvent", IntermediateCatchEvent.class),
INTERMEDIATE_THROW_EVENT("intermediateThrowEvent", IntermediateThrowEvent.class),
BOUNDARY_EVENT("boundaryEvent", BoundaryEvent.class),


// Tasks
USER_TASK("ApproveUserTask", UserTask.class),

SERVICE_TASK("serviceTask", ServiceTask.class),
RECEIVE_TASK("receiveTask", ReceiveTask.class),
MANUAL_TASK("manualTask", ManualTask.class),

// Gateways
INCLUSIVE_GATEWAY("inclusiveGateway", InclusiveGateway.class),

EXCLUSIVE_GATEWAY("exclusiveGateway", ExclusiveGateway.class),
PARALLEL_GATEWAY("parallelGateway", ParallelGateway.class),
EVENT_BASED_GATEWAY("eventBasedGateway", EventBasedGateway.class),

// Other
MULTI_INSTANCE_BODY(null, null),
CALL_ACTIVITY("callActivity", CallActivity.class),
BUSINESS_RULE_TASK("businessRuleTask", BusinessRuleTask.class),
SCRIPT_TASK("scriptTask", ScriptTask.class),
SEND_TASK("sendTask", SendTask.class);

private final String elementTypeName;
private final Class<? extends FlowNode> elementTypeClass;

private BpmnElementType(
final String elementTypeName, final Class<? extends FlowNode> elementTypeClass) {
this.elementTypeName = elementTypeName;
this.elementTypeClass = elementTypeClass;
}

public Optional<String> getElementTypeName() {
return Optional.ofNullable(this.elementTypeName);
}

public Optional<Class<? extends FlowNode>> getElementTypeClass() {
return Optional.ofNullable(this.elementTypeClass);
}

public static BpmnElementType bpmnElementTypeFor(final String elementTypeName) {
return Arrays.stream(values())
.filter(
bpmnElementType ->
bpmnElementType.elementTypeName != null
&& bpmnElementType.elementTypeName.equals(elementTypeName))
.findFirst()
.orElseThrow(
() -> new RuntimeException("Unsupported BPMN element of type " + elementTypeName));
}
}