Examples with WorkItemHandler io.automatiko.engine.api.runtime.process.WorkItemHandler used on opensource projects

Example 6 with WorkItemHandler

use of io.automatiko.engine.api.runtime.process.WorkItemHandler in project automatiko-engine by automatiko-io.

the class EventStateWorkflowsTest method testStartWithEventStateWorkflow.

@Test
public void testStartWithEventStateWorkflow() throws Exception {
    ProcessConfig processConfig = ServerlessProcess.processConfig();
    ((DefaultWorkItemHandlerConfig) processConfig.workItemHandlers()).register("Service Task", new WorkItemHandler() {

        @Override
        public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
            System.out.println(workItem.getParameters());
            ObjectMapper mapper = new ObjectMapper();
            ObjectNode data = mapper.createObjectNode();
            data.put("greeting", "Hello " + ((TextNode) workItem.getParameter("name")).asText());
            manager.completeWorkItem(workItem.getId(), Collections.singletonMap(JsonVariableScope.WORKFLOWDATA_KEY, data));
        }

        @Override
        public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
        }
    });
    ServerlessProcess process = ServerlessProcess.from(processConfig, new ClassPathResource("event-state/event-state-greeting.json")).get(0);
    assertThat(process).isNotNull();
    JsonNode data = new ObjectMapper().readTree("{\n" + "  \"data\": {\"greet\" : { \"name\" : \"john\"}}\n" + "}");
    ServerlessProcessInstance pi = (ServerlessProcessInstance) process.createInstance();
    pi.start("Message-GreetingEvent", null, data);
    assertThat(pi.status()).isEqualTo(ProcessInstance.STATE_COMPLETED);
    assertThat(pi.variables().toMap()).hasSize(2).containsKey("greeting").extracting("greeting").isEqualTo(new TextNode("Hello john"));
}

Example 7 with WorkItemHandler

use of io.automatiko.engine.api.runtime.process.WorkItemHandler in project automatiko-engine by automatiko-io.

the class SwitchStateWorkflowsTest method testSwitchWithEventConditions.

@Test
public void testSwitchWithEventConditions() throws Exception {
    ProcessConfig processConfig = ServerlessProcess.processConfig();
    ((DefaultWorkItemHandlerConfig) processConfig.workItemHandlers()).register("Service Task", new WorkItemHandler() {

        @Override
        public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
            ObjectMapper mapper = new ObjectMapper();
            ObjectNode data = mapper.createObjectNode();
            if ("emailStart".equals(workItem.getParameter("Operation"))) {
                data.put("status", "accepted");
                manager.completeWorkItem(workItem.getId(), Collections.singletonMap(JsonVariableScope.WORKFLOWDATA_KEY, data));
            } else if ("emailRejection".equals(workItem.getParameter("Operation"))) {
                data.put("status", "rejected");
                manager.completeWorkItem(workItem.getId(), Collections.singletonMap(JsonVariableScope.WORKFLOWDATA_KEY, data));
            }
        }

        @Override
        public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
        }
    });
    ServerlessProcess process = ServerlessProcess.from(processConfig, new ClassPathResource("switch-state/event-condition.json")).get(0);
    assertThat(process).isNotNull();
    JsonNode data = new ObjectMapper().readTree("{\"applicant\" : {\"name\":\"John\", \"age\":20}}");
    ServerlessProcessInstance pi = (ServerlessProcessInstance) process.createInstance(ServerlessModel.from(data));
    pi.start();
    assertThat(pi.status()).isEqualTo(ProcessInstance.STATE_ACTIVE);
    pi.send(Sig.of("Message-visaApprovedEvent", data));
    assertThat(pi.variables().toMap()).hasSize(2).containsKey("status").extracting("status").isEqualTo(new TextNode("accepted"));
    assertThat(pi.status()).isEqualTo(ProcessInstance.STATE_COMPLETED);
    data = new ObjectMapper().readTree("{\"applicant\" : {\"name\":\"Mary\", \"age\":10}}");
    pi = (ServerlessProcessInstance) process.createInstance(ServerlessModel.from(data));
    pi.start();
    assertThat(pi.status()).isEqualTo(ProcessInstance.STATE_ACTIVE);
    pi.send(Sig.of("Message-visaRejectedEvent", data));
    assertThat(pi.status()).isEqualTo(ProcessInstance.STATE_COMPLETED);
    assertThat(pi.variables().toMap()).hasSize(2).containsKey("status").extracting("status").isEqualTo(new TextNode("rejected"));
}

Example 8 with WorkItemHandler

use of io.automatiko.engine.api.runtime.process.WorkItemHandler in project automatiko-engine by automatiko-io.

the class LightWorkItemManager method internalAbortWorkItem.

public void internalAbortWorkItem(String id) {
    WorkItemImpl workItem = (WorkItemImpl) workItems.get(id);
    // work item may have been aborted
    if (workItem != null) {
        workItem.setCompleteDate(new Date());
        WorkItemHandler handler = this.workItemHandlers.get(workItem.getName());
        if (handler != null) {
            ProcessInstance processInstance = workItem.getProcessInstance();
            Transition<?> transition = new TransitionToAbort(Collections.emptyList());
            eventSupport.fireBeforeWorkItemTransition(processInstance, workItem, transition, null);
            handler.abortWorkItem(workItem, this);
            workItem.setPhaseId(ID);
            workItem.setPhaseStatus(STATUS);
            eventSupport.fireAfterWorkItemTransition(processInstance, workItem, transition, null);
        } else {
            workItems.remove(workItem.getId());
            throw new WorkItemHandlerNotFoundException(workItem.getName());
        }
        workItems.remove(workItem.getId());
    }
}

Example 9 with WorkItemHandler

use of io.automatiko.engine.api.runtime.process.WorkItemHandler in project automatiko-engine by automatiko-io.

the class LightWorkItemManager method transitionWorkItem.

@SuppressWarnings("unchecked")
@Override
public void transitionWorkItem(String id, Transition<?> transition) {
    WorkItem workItem = workItems.get(id);
    // work item may have been aborted
    if (workItem != null) {
        WorkItemHandler handler = this.workItemHandlers.get(workItem.getName());
        if (handler != null) {
            ProcessInstance processInstance = workItem.getProcessInstance();
            eventSupport.fireBeforeWorkItemTransition(processInstance, workItem, transition, null);
            try {
                handler.transitionToPhase(workItem, this, transition);
            } catch (UnsupportedOperationException e) {
                ((WorkItemImpl) workItem).setResults((Map<String, Object>) transition.data());
                workItem.setPhaseId(Complete.ID);
                workItem.setPhaseStatus(Complete.STATUS);
                completePhase.apply(workItem, transition);
                internalCompleteWorkItem(workItem);
            }
            eventSupport.fireAfterWorkItemTransition(processInstance, workItem, transition, null);
        } else {
            throw new WorkItemHandlerNotFoundException(workItem.getName());
        }
    } else {
        throw new WorkItemNotFoundException("Work Item (" + id + ") does not exist", id);
    }
}

Example 10 with WorkItemHandler

use of io.automatiko.engine.api.runtime.process.WorkItemHandler in project automatiko-engine by automatiko-io.

the class DefaultWorkItemManager method internalExecuteWorkItem.

public void internalExecuteWorkItem(WorkItem workItem) {
    ((WorkItemImpl) workItem).setId(UUID.randomUUID().toString());
    internalAddWorkItem(workItem);
    WorkItemHandler handler = this.workItemHandlers.get(workItem.getName());
    if (handler != null) {
        handler.executeWorkItem(workItem, this);
    } else
        throw new WorkItemHandlerNotFoundException(workItem.getName());
}