josedee commented on code in PR #4105: URL: https://github.com/apache/incubator-kie-kogito-runtimes/pull/4105#discussion_r2498081475
########## jbpm/jbpm-usertask/src/main/java/org/kie/kogito/usertask/impl/lifecycle/WsHumanTaskLifeCycle.java: ########## @@ -0,0 +1,429 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.kie.kogito.usertask.impl.lifecycle; + +import java.util.Collection; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; + +import org.kie.kogito.auth.IdentityProvider; +import org.kie.kogito.usertask.UserTaskAssignmentStrategy; +import org.kie.kogito.usertask.UserTaskInstance; +import org.kie.kogito.usertask.UserTaskInstanceNotAuthorizedException; +import org.kie.kogito.usertask.lifecycle.UserTaskLifeCycle; +import org.kie.kogito.usertask.lifecycle.UserTaskState; +import org.kie.kogito.usertask.lifecycle.UserTaskState.TerminationType; +import org.kie.kogito.usertask.lifecycle.UserTaskTransition; +import org.kie.kogito.usertask.lifecycle.UserTaskTransitionException; +import org.kie.kogito.usertask.lifecycle.UserTaskTransitionToken; + +public class WsHumanTaskLifeCycle implements UserTaskLifeCycle { + public static final String WORKFLOW_ENGINE_USER = "WORKFLOW_ENGINE_USER"; + + public static final String PARAMETER_USER = "USER"; + public static final String PARAMETER_NOTIFY = "NOTIFY"; + private static final String PARAMETER_DELEGATED_USER = "DELEGATED_USER"; + private static final String PARAMETER_FORWARDED_USERS = "FORWARDED_USERS"; + private static final String PARAMETER_NOMINATED_USERS = "NOMINATED_USERS"; + + private static final String SKIPPABLE = "Skippable"; + + // Actions + public static final String ACTIVATE = "activate"; + public static final String NOMINATE = "nominate"; + public static final String CLAIM = "claim"; + public static final String DELEGATE = "delegate"; + public static final String RELEASE = "release"; + public static final String FORWARD = "forward"; + public static final String START = "start"; + public static final String STOP = "stop"; + public static final String COMPLETE = "complete"; + public static final String FAIL = "fail"; + public static final String FAULT = "fault"; + public static final String EXIT = "exit"; + public static final String SKIP = "skip"; + public static final String SUSPEND = "suspend"; + public static final String RESUME = "resume"; + + public static final UserTaskState CREATED = UserTaskState.initalized(); + public static final UserTaskState READY = UserTaskState.of("Ready"); + public static final UserTaskState RESERVED = UserTaskState.of("Reserved"); + public static final UserTaskState INPROGRESS = UserTaskState.of("InProgress"); + public static final UserTaskState COMPLETED = UserTaskState.of("Completed", TerminationType.COMPLETED); + public static final UserTaskState FAILED = UserTaskState.of("Failed", TerminationType.FAILED); + public static final UserTaskState ERROR = UserTaskState.of("Error", TerminationType.ERROR); + public static final UserTaskState EXITED = UserTaskState.of("Exited", TerminationType.EXITED); + public static final UserTaskState OBSOLETE = UserTaskState.of("Obsolete", TerminationType.OBSOLETE); + public static final UserTaskState SUSPENDED = UserTaskState.of("Suspended"); + + private final UserTaskTransition T_CREATED_READY_ACTIVATE = new DefaultUserTransition(ACTIVATE, CREATED, READY, this::activate); + private final UserTaskTransition T_CREATED_READY_NOMINATE = new DefaultUserTransition(NOMINATE, CREATED, READY, this::nominate); + + private final UserTaskTransition T_READY_READY_FORWARD = new DefaultUserTransition(FORWARD, READY, READY, this::forward); + private final UserTaskTransition T_READY_RESERVED_CLAIM = new DefaultUserTransition(CLAIM, READY, RESERVED, this::claim); + private final UserTaskTransition T_READY_RESERVED_DELEGATE = new DefaultUserTransition(DELEGATE, READY, RESERVED, this::delegate); + private final UserTaskTransition T_READY_INPROGRESS = new DefaultUserTransition(START, READY, INPROGRESS, this::start); + private final UserTaskTransition T_READY_ERROR = new DefaultUserTransition(FAULT, READY, ERROR, this::fault); + private final UserTaskTransition T_READY_EXITED = new DefaultUserTransition(EXIT, READY, EXITED, this::exit); + private final UserTaskTransition T_READY_OBSOLETE = new DefaultUserTransition(SKIP, READY, OBSOLETE, this::skip); + private final UserTaskTransition T_READY_SUSPENDED = new DefaultUserTransition(SUSPEND, READY, SUSPENDED, this::suspend); + + private final UserTaskTransition T_RESERVED_READY_RELEASE = new DefaultUserTransition(RELEASE, RESERVED, READY, this::release); + private final UserTaskTransition T_RESERVED_READY_FORWARD = new DefaultUserTransition(FORWARD, RESERVED, READY, this::forward); + private final UserTaskTransition T_RESERVED_INPROGRESS = new DefaultUserTransition(START, RESERVED, INPROGRESS, this::start); + private final UserTaskTransition T_RESERVED_RESERVED_DELEGATE = new DefaultUserTransition(DELEGATE, RESERVED, RESERVED, this::delegate); + private final UserTaskTransition T_RESERVED_ERROR = new DefaultUserTransition(FAULT, RESERVED, ERROR, this::fault); + private final UserTaskTransition T_RESERVED_EXITED = new DefaultUserTransition(EXIT, RESERVED, EXITED, this::exit); + private final UserTaskTransition T_RESERVED_OBSOLETE = new DefaultUserTransition(SKIP, RESERVED, OBSOLETE, this::skip); + private final UserTaskTransition T_RESERVED_SUSPENDED = new DefaultUserTransition(SUSPEND, RESERVED, SUSPENDED, this::suspend); + + private final UserTaskTransition T_INPROGRESS_RESERVED_STOP = new DefaultUserTransition(STOP, INPROGRESS, RESERVED, this::stop); + private final UserTaskTransition T_INPROGRESS_RESERVED_DELEGATE = new DefaultUserTransition(DELEGATE, INPROGRESS, RESERVED, this::delegate); + private final UserTaskTransition T_INPROGRESS_READY_RELEASE = new DefaultUserTransition(RELEASE, INPROGRESS, READY, this::release); + private final UserTaskTransition T_INPROGRESS_READY_FORWARD = new DefaultUserTransition(FORWARD, INPROGRESS, READY, this::forward); + private final UserTaskTransition T_INPROGRESS_COMPLETED = new DefaultUserTransition(COMPLETE, INPROGRESS, COMPLETED, this::complete); + private final UserTaskTransition T_INPROGRESS_FAILED = new DefaultUserTransition(FAIL, INPROGRESS, FAILED, this::fail); + private final UserTaskTransition T_INPROGRESS_ERROR = new DefaultUserTransition(FAULT, INPROGRESS, ERROR, this::fault); + private final UserTaskTransition T_INPROGRESS_EXITED = new DefaultUserTransition(EXIT, INPROGRESS, EXITED, this::exit); + private final UserTaskTransition T_INPROGRESS_OBSOLETE = new DefaultUserTransition(SKIP, INPROGRESS, OBSOLETE, this::skip); + private final UserTaskTransition T_INPROGRESS_SUSPENDED = new DefaultUserTransition(SUSPEND, INPROGRESS, SUSPENDED, this::suspend); + + private final UserTaskTransition T_SUSPENDED_READY = new DefaultUserTransition(RESUME, SUSPENDED, READY, this::resume); + private final UserTaskTransition T_SUSPENDED_RESERVED = new DefaultUserTransition(RESUME, SUSPENDED, RESERVED, this::resume); + private final UserTaskTransition T_SUSPENDED_INPROGRESS = new DefaultUserTransition(RESUME, SUSPENDED, INPROGRESS, this::resume); + + private List<UserTaskTransition> transitions; + + public WsHumanTaskLifeCycle() { + transitions = List.of( + T_CREATED_READY_ACTIVATE, + T_CREATED_READY_NOMINATE, + T_READY_READY_FORWARD, + T_READY_RESERVED_CLAIM, + T_READY_RESERVED_DELEGATE, + T_READY_INPROGRESS, + T_READY_ERROR, + T_READY_EXITED, + T_READY_OBSOLETE, + T_READY_SUSPENDED, + T_RESERVED_READY_RELEASE, + T_RESERVED_READY_FORWARD, + T_RESERVED_INPROGRESS, + T_RESERVED_RESERVED_DELEGATE, + T_RESERVED_ERROR, + T_RESERVED_EXITED, + T_RESERVED_OBSOLETE, + T_RESERVED_SUSPENDED, + T_INPROGRESS_RESERVED_STOP, + T_INPROGRESS_RESERVED_DELEGATE, + T_INPROGRESS_READY_RELEASE, + T_INPROGRESS_READY_FORWARD, + T_INPROGRESS_COMPLETED, + T_INPROGRESS_FAILED, + T_INPROGRESS_ERROR, + T_INPROGRESS_EXITED, + T_INPROGRESS_OBSOLETE, + T_INPROGRESS_SUSPENDED, + T_SUSPENDED_READY, + T_SUSPENDED_RESERVED, + T_SUSPENDED_INPROGRESS); + } + + @Override + public List<UserTaskTransition> allowedTransitions(UserTaskInstance userTaskInstance, IdentityProvider identity) { + checkPermission(userTaskInstance, identity); + return transitions.stream() + .filter(t -> t.source().equals(userTaskInstance.getStatus()) + && (!t.id().equals(SKIP) || "true".equals(userTaskInstance.getMetadata().get("Skippable")))) + .toList(); + } + + @Override + public String startTransition() { + return ACTIVATE; + } + + @Override + public String reassignTransition() { + return FORWARD; + } + + @Override + public String abortTransition() { + return EXIT; + } + + @Override + public Optional<UserTaskTransitionToken> transition(UserTaskInstance userTaskInstance, UserTaskTransitionToken token, IdentityProvider identityProvider) { + checkPermission(userTaskInstance, identityProvider); + UserTaskTransition transition = transitions.stream() + .filter(t -> t.source().equals(userTaskInstance.getStatus()) && t.id().equals(token.transitionId()) && t.target().equals(token.target())) + .findFirst() + .orElseThrow(() -> new UserTaskTransitionException("Invalid transition from " + userTaskInstance.getStatus())); + return transition.executor().execute(userTaskInstance, token, identityProvider); + } + + @Override + public UserTaskTransitionToken newCompleteTransitionToken(UserTaskInstance userTaskInstance, Map<String, Object> data) { + return newTransitionToken(COMPLETE, userTaskInstance.getStatus(), null, data); + } + + @Override + public UserTaskTransitionToken newAbortTransitionToken(UserTaskInstance userTaskInstance, Map<String, Object> data) { + return newTransitionToken(FAIL, userTaskInstance.getStatus(), null, data); + } + + @Override + public UserTaskTransitionToken newTransitionToken(String transitionId, UserTaskInstance userTaskInstance, Map<String, Object> data) { + if (transitionId.equals(ACTIVATE) && userTaskInstance.getPotentialUsers().isEmpty()) { + return null; + } + return newTransitionToken(transitionId, userTaskInstance.getStatus(), (String) userTaskInstance.getMetadata().get("PreviousStatus"), data); + } + + public UserTaskTransitionToken newTransitionToken(String transitionId, UserTaskState state, String previousState, Map<String, Object> data) { + var transition = transitions.stream() + .filter(e -> e.source().equals(state) && e.id().equals(transitionId) && (!transitionId.equals(RESUME) || e.target().getName().equals(previousState))) + .findAny() + .orElseThrow(() -> new UserTaskTransitionException("Invalid transition " + transitionId + " from " + state)); + + return new DefaultUserTaskTransitionToken(transition.id(), transition.source(), transition.target(), data); + } + + public Optional<UserTaskTransitionToken> activate(UserTaskInstance userTaskInstance, UserTaskTransitionToken token, IdentityProvider identityProvider) { Review Comment: Isn't that conditional, it is used for transition chaining. If there is an optional token, then the transition chain continues -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
