Examples with ContextContainer io.automatiko.engine.workflow.base.core.ContextContainer used on opensource projects

Example 16 with ContextContainer

use of io.automatiko.engine.workflow.base.core.ContextContainer in project automatiko-engine by automatiko-io.

the class ProcessInstanceImpl method getContextInstance.

public ContextInstance getContextInstance(String contextId) {
    ContextInstance contextInstance = this.contextInstances.get(contextId);
    if (contextInstance != null) {
        return contextInstance;
    }
    Context context = ((ContextContainer) getProcess()).getDefaultContext(contextId);
    if (context != null) {
        contextInstance = getContextInstance(context);
        return contextInstance;
    }
    return null;
}

Example 17 with ContextContainer

use of io.automatiko.engine.workflow.base.core.ContextContainer in project automatiko-engine by automatiko-io.

the class ProcessInstanceManagementResource method importInstance.

@APIResponses(value = { @APIResponse(responseCode = "404", description = "In case of instance with given process id was not found", content = @Content(mediaType = "application/json")), @APIResponse(responseCode = "200", description = "Exported process instance", content = @Content(mediaType = "application/json")) })
@Operation(summary = "Imports exported process instance and returns its details after the import")
@POST
@Path("/{processId}/instances")
@Produces(MediaType.APPLICATION_JSON)
public ProcessInstanceDetailsDTO importInstance(@Context UriInfo uriInfo, @Parameter(description = "Unique identifier of the process", required = true) @PathParam("processId") String processId, @Parameter(description = "User identifier as alternative autroization info", required = false, hidden = true) @QueryParam("user") final String user, @Parameter(description = "Groups as alternative autroization info", required = false, hidden = true) @QueryParam("group") final List<String> groups, @Parameter(description = "The input model for orders instance", schema = @Schema(type = SchemaType.OBJECT, implementation = Map.class)) JsonExportedProcessInstance instance) {
    identitySupplier.buildIdentityProvider(user, groups);
    return UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
        ProcessInstance<?> pi = exporter.importInstance(instance);
        ProcessInstanceDetailsDTO details = new ProcessInstanceDetailsDTO();
        details.setId(pi.id());
        details.setProcessId(processId);
        details.setBusinessKey(pi.businessKey());
        details.setDescription(pi.description());
        details.setFailed(pi.errors().isPresent());
        if (pi.errors().isPresent()) {
            details.setErrors(pi.errors().get().errors().stream().map(e -> new ErrorInfoDTO(e.failedNodeId(), e.errorId(), e.errorMessage(), e.errorDetails())).collect(Collectors.toList()));
        }
        details.setImage(uriInfo.getBaseUri().toString() + "management/processes/" + processId + "/instances/" + pi.id() + "/image");
        details.setTags(pi.tags().values());
        details.setVariables(pi.variables());
        VariableScope variableScope = (VariableScope) ((ContextContainer) ((AbstractProcess<?>) pi.process()).process()).getDefaultContext(VariableScope.VARIABLE_SCOPE);
        details.setVersionedVariables(variableScope.getVariables().stream().filter(v -> v.hasTag(Variable.VERSIONED_TAG)).map(v -> v.getName()).collect(Collectors.toList()));
        return details;
    });
}

Example 18 with ContextContainer

use of io.automatiko.engine.workflow.base.core.ContextContainer in project automatiko-engine by automatiko-io.

the class CompensationEventListener method signalEvent.

/**
 * When signaling compensation, you can do that in 1 of 2 ways: 1.
 * signalEvent("Compensation", <node-with-compensation-handler-id>) This is
 * specific compensation, that only possibly triggers the compensation handler
 * attached to the node referred to by the <node-with-compensation-handler-id>.
 * 2. signalEvent("Compensation", "implicit:" +
 * <node-container-containing-compensation-scope-id> ) This is implicit or
 * general compensation, in which you trigger all visible compensation handlers
 * (in the proper order, etc.) in the (sub-)process referred to by the
 * <node-container-containing-compensation-scope-id>.
 */
public void signalEvent(String compensationType, Object activityRefStr) {
    if (!(activityRefStr instanceof String)) {
        throw new WorkflowRuntimeException(null, getProcessInstance(), "Compensation can only be triggered with String events, not an event of type " + (activityRefStr == null ? "null" : activityRefStr.getClass().getSimpleName()));
    }
    // 1. parse the activity ref (is it general or specific compensation?)
    String activityRef = (String) activityRefStr;
    String toCompensateNodeId = activityRef;
    boolean generalCompensation = false;
    if (activityRef.startsWith(IMPLICIT_COMPENSATION_PREFIX)) {
        toCompensateNodeId = activityRef.substring(IMPLICIT_COMPENSATION_PREFIX.length());
        generalCompensation = true;
    }
    io.automatiko.engine.workflow.base.core.Process process = (io.automatiko.engine.workflow.base.core.Process) instance.getProcess();
    // 2. for specific compensation: find the node that will be compensated
    // for general compensation: find the compensation scope container that contains
    // all the visible compensation handlers
    Node toCompensateNode = null;
    ContextContainer compensationScopeContainer = null;
    if (generalCompensation) {
        if (toCompensateNodeId.equals(instance.getProcessId())) {
            compensationScopeContainer = process;
        } else {
            compensationScopeContainer = (ContextContainer) findNode(toCompensateNodeId);
        }
    } else {
        toCompensateNode = findNode(toCompensateNodeId);
    }
    // c. handle the exception (which also cleans up the generated node instances)
    if (toCompensateNode != null || compensationScopeContainer != null) {
        CompensationScope compensationScope = null;
        if (compensationScopeContainer != null) {
            compensationScope = (CompensationScope) compensationScopeContainer.getDefaultContext(COMPENSATION_SCOPE);
        } else {
            compensationScope = (CompensationScope) ((NodeImpl) toCompensateNode).resolveContext(COMPENSATION_SCOPE, toCompensateNodeId);
        }
        assert compensationScope != null : "Compensation scope for node [" + toCompensateNodeId + "] could not be found!";
        CompensationScopeInstance scopeInstance;
        if (compensationScope.getContextContainerId().equals(process.getId())) {
            // process level compensation
            scopeInstance = (CompensationScopeInstance) instance.getContextInstance(compensationScope);
        } else {
            // nested compensation
            Stack<NodeInstance> generatedInstances;
            if (toCompensateNode == null) {
                // logic is the same if it's specific or general
                generatedInstances = createNodeInstanceContainers((Node) compensationScopeContainer, true);
            } else {
                generatedInstances = createNodeInstanceContainers(toCompensateNode, false);
            }
            NodeInstance nodeInstanceContainer = generatedInstances.peek();
            scopeInstance = ((CompensationScopeInstance) ((ContextInstanceContainer) nodeInstanceContainer).getContextInstance(compensationScope));
            scopeInstance.addCompensationInstances(generatedInstances);
        }
        scopeInstance.handleException(null, activityRef, null);
    }
}

Example 19 with ContextContainer

use of io.automatiko.engine.workflow.base.core.ContextContainer in project automatiko-engine by automatiko-io.

the class ExecutableProcessFactory method addCompensationScope.

protected void addCompensationScope(final ExecutableProcess process, final Node node, final io.automatiko.engine.api.definition.process.NodeContainer parentContainer, final String compensationHandlerId) {
    process.getMetaData().put("Compensation", true);
    assert parentContainer instanceof ContextContainer : "Expected parent node to be a CompositeContextNode, not a " + parentContainer.getClass().getSimpleName();
    ContextContainer contextContainer = (ContextContainer) parentContainer;
    CompensationScope scope = null;
    boolean addScope = false;
    if (contextContainer.getContexts(CompensationScope.COMPENSATION_SCOPE) == null) {
        addScope = true;
    } else {
        scope = (CompensationScope) contextContainer.getContexts(CompensationScope.COMPENSATION_SCOPE).get(0);
        if (scope == null) {
            addScope = true;
        }
    }
    if (addScope) {
        scope = new CompensationScope();
        contextContainer.addContext(scope);
        contextContainer.setDefaultContext(scope);
        scope.setContextContainer(contextContainer);
    }
    CompensationHandler handler = new CompensationHandler();
    handler.setNode(node);
    if (scope.getExceptionHandler(compensationHandlerId) != null) {
        throw new IllegalArgumentException("More than one compensation handler per node (" + compensationHandlerId + ")" + " is not supported!");
    }
    scope.setExceptionHandler(compensationHandlerId, handler);
}