/* Licensed 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.activiti.engine.task; import java.util.Date; import java.util.List; import org.activiti.engine.TaskService; /** Exposes twitter-like feeds for tasks and process instances. * * @see {@link TaskService#getTaskEvents(String) * @author Tom Baeyens */ public interface Event { /** A user identity link was added with following message parts: * [0] userId * [1] identity link type (aka role) */ String ACTION_ADD_USER_LINK = "AddUserLink"; /** A user identity link was added with following message parts: * [0] userId * [1] identity link type (aka role) */ String ACTION_DELETE_USER_LINK = "DeleteUserLink"; /** A group identity link was added with following message parts: * [0] groupId * [1] identity link type (aka role) */ String ACTION_ADD_GROUP_LINK = "AddGroupLink"; /** A group identity link was added with following message parts: * [0] groupId * [1] identity link type (aka role) */ String ACTION_DELETE_GROUP_LINK = "DeleteGroupLink"; /** An user comment was added with the short version of the comment as message. */ String ACTION_ADD_COMMENT = "AddComment"; /** An attachment was added with the attachment name as message. */ String ACTION_ADD_ATTACHMENT = "AddAttachment"; /** An attachment was deleted with the attachment name as message. */ String ACTION_DELETE_ATTACHMENT = "DeleteAttachment"; /** Indicates the type of of action and also indicates the meaning of the parts as exposed in {@link #getMessageParts()} */ String getAction(); /** The meaning of the message parts is defined by the action as you can find in {@link #getAction()} */ List<String> getMessageParts(); /** The message that can be used in case this action only has a single message part. */ String getMessage(); /** reference to the user that made the comment */ String getUserId(); /** time and date when the user made the comment */ Date getTime(); /** reference to the task on which this comment was made */ String getTaskId(); /** reference to the process instance on which this comment was made */ String getProcessInstanceId(); }