How to Easily Text Wrap in Affinity Publisher
In this tutorial we will learn how to curve text in Affinity Designer so it can be warped around a circle or placed on a path. With text boxes 1. How do I set the box size? When I adjust its dimensions the text inside scales 1. 2. How do I apply word wrap? Instead of having to. Check out our complete guide: * Publisher (FULL TUTORIAL) Live Session – YouTube Affinity Photo Tutorial, Text Frame.
Curve Text with Affinity Designer | The Complete Guide – Viimeisimmät uutiset
› design-school › how-to-warp-text-in-affinity-designer. Check out our complete guide: * Publisher (FULL TUTORIAL) Live Session – YouTube Affinity Photo Tutorial, Text Frame. With text boxes 1. How do I set the box size? When I adjust its dimensions the text inside scales 1. 2. How do I apply word wrap? Instead of having to.
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When no beans property is set, all Spring beans in the context will be available. Now the exposed beans can be used in expressions: for example, the SpringTransactionIntegrationTest hello. Spring integration also has a special feature for deploying resources. In the process engine configuration, you can specify a set of resources. When the process engine is created, all those resources will be scanned and deployed. There is filtering in place that prevents duplicate deployments.
Only when the resources actually have changed, will new deployments be deployed to the Activiti DB. This makes sense in a lot of use case, where the Spring container is rebooted often e. By default, the configuration above will group all of the resources matching the filtering into a single deployment to the Activiti engine.
The duplicate filtering to prevent re-deployment of unchanged resources applies to the whole deployment. In some cases, this may not be what you want. For instance, if you deploy a set of process resources this way and only a single process definition in those resources has changed, the deployment as a whole will be considered new and all of the process definitions in that deployment will be re-deployed, resulting in new versions of each of the process definitions, even though only one was actually changed.
To be able to customize the way deployments are determined, you can specify an additional property in the SpringProcessEngineConfiguration , deploymentMode.
This property defines the way deployments will be determined from the set of resources that match the filter. There are 3 values that are supported by default for this property:. This is the value you would use to have each process definition be deployed separately and only create a new process definition version if it has changed. This value can be used to create separate deployments for most resources, but still be able to group some by placing them in a shared folder.
In addition to using the values listed above for deploymentMode , you may require customized behavior towards determining deployments.
This method determines which deployment strategy is used for a certain value of the deploymentMode configuration. When integrating with Spring, business processes can be tested very easily using the standard Activiti testing facilities. The following example shows how a business process is tested in a typical Spring-based unit test:.
Note that for this to work, you need to define a org. ActivitiRule bean in the Spring configuration which is injected by auto-wiring in the example above. When using Hibernate 4. This is not needed for Hibernate 4. The following dependency should be added:. Spring Boot is an application framework which, according to its website , makes it easy to create stand-alone, production-grade Spring based Applications that can you can “just run”.
It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications need very little Spring configuration. The Spring Boot – Activiti integration is currently experimental. It has been developer together with Spring committers, but it is still early days. We welcome all to try it out and provide feedback. Spring Boot is all about convention over configuration.
To get started, simply add the spring-boot-starters-basic dependency to your project. For example for Maven:. This dependency will transitively add the correct Activiti and Spring dependencies to the classpath.
You can now write the Spring Boot application:. Activiti needs a database to store its data. If you would run the code above, it would give you an informative exception message that you need to add a database driver dependency to the classpath. For now, add the H2 database dependency:. So by just adding the dependency to the classpath and using the EnableAutoConfiguration annotation a lot has happened behind the scenes:.
An in-memory datasource is created automatically since the H2 driver is on the classpath and passed to the Activiti process engine configuration. Also, any BPMN 2. Create a folder processes and add a dummy process definition named one-task-process. Also add following code lines to test if the deployment actually worked. The CommandLineRunner is a special kind of Spring bean that is executed when the application boots:. As stated above, Spring Boot is about convention over configuration.
By default, by having only H2 on the classpath, it created an in memory datasource and passed that to the Activiti process engine configuration. To change the datasource, simply override the default by providing a Datasource bean. For example, to switch to a MySQL database:. Spring Boot makes this really easy. Add following dependency to the classpath:. Create a new class, a Spring service, and create two methods: one to start our process and one to get a task list for a given assignee.
Here, we simply delegate to the service defined above. Both the Service and the RestController will be found by the automatic component scan ComponentScan we added to our application class. Run the application class again. This will add in the Spring configuration and beans for using JPA. By default the JPA provider will be Hibernate. Create a file application. We add the method to find a Person by username. Spring will automagically implement this based on conventions i.
The startProcess now gets an assignee username in, which is used to look up the Person, and put the Person JPA object as a process variable in the process instance. A method to create Dummy users is added.
This is used in the CommandLineRunner to populate the database. And there is a lot more to the Spring Boot integration:. To deploy processes, they have to be wrapped in a business archive. A business archive is the unit of deployment to an Activiti Engine.
A business archive is equivalent to a zip file. It can contain BPMN 2. In general, a business archive contains a collection of named resources. When a business archive is deployed, it is scanned for BPMN files with a. Each of those will be parsed and may contain multiple process definitions. Java classes present in the business archive will not be added to the classpath. All custom classes used in process definitions in the business archive for example Java service tasks or event listener implementations should be present on the Activiti Engine classpath in order to run the processes.
See the javadocs for more details. Process definitions live in the Activiti database. These process definitions can reference delegation classes when using Service Tasks or execution listeners or Spring beans from the Activiti configuration file.
These classes and the Spring configuration file have to be available to all process engines that may execute the process definitions. All custom classes that are used in your process e.
When you are using the demo setup and you want to add your custom classes, you should add a jar containing your classes to the activiti-explorer or activiti-rest webapp lib. When expressions or scripts use Spring beans, those beans have to be available to the engine when executing the process definition. If you are building your own webapp and you configure your process engine in your context as described in the spring integration section , that is straightforward. But bear in mind that you also should update the Activiti rest webapp with that context if you use it.
You can do that by replacing the activiti. Instead of making sure that all process engines have all the delegation classes on their classpath and use the right Spring configuration, you may consider including the Activiti rest webapp inside your own webapp so that there is only a single ProcessEngine. That is actually good because the executable BPMN process file will probably live in a version control system repository e.
Subversion, Git or Mercurial as part of your development project. Versions of process definitions are created during deployment. For each process definition in a business archive the following steps are performed to initialize the properties key , version , name and id :. The process definition id attribute in the XML file is used as the process definition key property.
The process definition name attribute in the XML file is used as the process definition name property. If the name attribute is not specified, then id attribute is used as the name. The first time a process with a particular key is deployed, version 1 is assigned.
For all subsequent deployments of process definitions with the same key, the version will be set 1 higher than the maximum currently deployed version. The key property is used to distinguish process definitions. When deploying this process definition, the process definition in the database will look like this:.
Suppose we now deploy an updated version of the same process e. The process definition table will now contain the following entries:.
When the runtimeService. Should we create a second process, as defined below and deploy this to Activiti, a third row will be added to the table. Note how the key for the new process is different from our first process. Even though the name is the same we should probably have changed that too , Activiti only considers the id attribute when distinguishing processes.
The new process is therefore deployed with version 1. A process diagram image can be added to a deployment. This image will be stored in the Activiti repository and is accessible through the API.
This image is also used to visualize the process in Activiti Explorer. The following naming conventions for the process diagram image apply in this specific order :. If an image resource exists in the deployment that has a name of the BPMN 2. In case you have multiple images defined in one BPMN 2. Each diagram image will then have the process key in its file name.
If no such image exists, am image resource in the deployment matching the name of the BPMN 2. Note that this means that every process definition defined in the same BPMN 2.
In case there is only one process definition in each BPMN 2. In case no image is provided in the deployment, as described in the previous section , the Activiti engine will generate a diagram image if the process definition contains the necessary diagram interchange information. The resource can be retrieved in exactly the same way as when an image is provided in the deployment. If, for some reason, it is not necessary or wanted to generate a diagram during deployment the isCreateDiagramOnDeploy property can be set on the process engine configuration:.
Both deployments and process definitions have user defined categories. This introduction is written under the assumption you are using the Eclipse IDE to create and edit files. Very little of this is specific to Eclipse, however.
Make sure that the file ends with. The root element of the BPMN 2. Within this element, multiple process definitions can be defined although we advise to have only one process definition in each file, since this simplifies maintenance later in the development process. An empty process definition looks as listed below. Note that the minimal definitions element only needs the xmlns and targetNamespace declaration. The targetNamespace can be anything, and is useful for categorizing process definitions.
Optionally you can also add the online schema location of the BPMN 2. This id can then be used to start a new process instance of the process definition, through the startProcessInstanceByKey method on the RuntimeService. This method will always take the latest deployed version of the process definition. Important to note here is that this is not the same as calling the startProcessInstanceById method.
This method expects the String id that was generated at deploy time by the Activiti engine, and can be retrieved by calling the processDefinition. The format of the generated id is key:version , and the length is constrained to 64 characters. If you get an ActivitiException stating that the generated id is too long, limit the text in the key field of the process.
In this section we will cover a very simple business process that we will use to introduce some basic Activiti concepts and the Activiti API. This tutorial assumes that you have the Activiti demo setup running , and that you are using a standalone H2 server. Edit db. The end result will be a simple Java SE program that deploys a process definition, and interacts with this process through the Activiti engine API.
In BPMCorp, a financial report needs to be written every month for the company shareholders. This is the responsibility of the accountancy department. When the report is finished, one of the members of the upper management needs to approve the document before it is sent to all the shareholders.
The business process as described above can be graphically visualized using the Activiti Designer. The graphical BPMN 2. What we see is a none Start Event circle on the left , followed by two User Tasks : ‘Write monthly financial report’ and ‘Verify monthly financial report’ , ending in a none end event circle with thick border on the right.
The none start event tells us what the entry point to the process is. The User Tasks declarations are the representation of the human tasks of our process. Note that the first task is assigned to the accountancy group, while the second task is assigned to the management group. See the section on user task assignment for more information on how users and groups can be assigned to user tasks.
The elements are connected with each other through sequence flows. These sequence flows have a source and target , defining the direction of the sequence flow.
We have now created the process definition of our business process. From such a process definition, we can create process instances. In this case, one process instance would match with the creation and verification of a single financial report for a particular month.
All the process instances share the same process definition. To be able to create process instances from a given process definition, we must first deploy this process definition. Deploying a process definition means two things:. The process definition will be stored in the persistent datastore that is configured for your Activiti engine. So by deploying our business process, we make sure that the engine will find the process definition after an engine reboot.
The BPMN 2. More information on deployment can be found in the dedicated section on deployment. As described in that section, deployment can happen in several ways. One way is through the API as follows. Note that all interaction with the Activiti engine happens through its services.
Now we can start a new process instance using the id we defined in the process definition see process element in the XML file. Note that this id in Activiti terminology is called the key. This will create a process instance that will first go through the start event. After the start event, it follows all the outgoing sequence flows only one in this case and the first task write monthly financial report is reached. The Activiti engine will now store a task in the persistent database.
At this point, the user or group assignments attached to the task are resolved and also stored in the database. At such a wait state, the current state of the process instance is stored in the database.
It remains in that state until a user decides to complete their task. At that point, the engine will continue until it reaches a new wait state or the end of the process.
When the engine reboots or crashes in the meantime, the state of the process is safe and well in the database. After the task is created, the startProcessInstanceByKey method will return since the user task activity is a wait state. In this case, the task is assigned to a group, which means that every member of the group is a candidate to perform the task. We can now throw this all together and create a simple Java program.
Create a new Eclipse project and add the Activiti JARs and dependencies to its classpath these can be found in the libs folder of the Activiti distribution. Before we can call the Activiti services, we must first construct a ProcessEngine that gives us access to the services. Here we use the ‘standalone’ configuration, which constructs a ProcessEngine that uses the database also used in the demo setup. You can download the process definition XML here.
This file contains the XML as shown above, but also contains the necessary BPMN diagram interchange information to visualize the process in the Activiti tools. We can now retrieve this task through the TaskService by adding the following logic:. Note that the user we pass to this operation needs to be a member of the accountancy group, since that was declared in the process definition:.
We could also use the task query API to get the same results using the name of the group. We can now add the following logic to our code:. By default, no user is in the accountancy group. Then click Users and add the group to fozzie. As explained, the process will execute up to the first user task. Select the Tasks page to view this new task. Note that even if the process was started by someone else, the task would still be visible as a candidate task to everyone in the accountancy group.
An accountant now needs to claim the task. By claiming the task, the specific user will become the assignee of the task and the task will disappear from every task list of the other members of the accountancy group. Claiming a task is programmatically done as follows:. In the Activiti UI App, clicking the claim button will call the same operation. The task will now move to the personal task list of the logged on user. You also see that the assignee of the task changed to the current logged in user.
The accountant can now start working on the financial report. Once the report is finished, he can complete the task , which means that all work for that task is done. For the Activiti engine, this is an external signal that the process instance execution must be continued.
The task itself is removed from the runtime data. The single outgoing transition out of the task is followed, moving the execution to the second task ‘verification of the report’. The same mechanism as described for the first task will now be used to assign the second task, with the small difference that the task will be assigned to the management group.
In the demo setup, completing the task is done by clicking the complete button in the task list. The second task is now visible in the unassigned task lists. The verification task can be retrieved and claimed in exactly the same way as before. Completing this second task will move process execution to the end event, which finishes the process instance. The process instance and all related runtime execution data are removed from the datastore.
When you log into Activiti Explorer you can verify this, since no records will be found in the table where the process executions are stored. Programmatically, you can also verify that the process is ended using the historyService.
Combine all the snippets from previous sections, and you should have something like this this code takes in account that you probably will have started a few process instances through the Activiti Explorer UI.
As such, it always retrieves a list of tasks instead of one task, so it always works :. However, as you are going through the BPMN 2. This way, a manager could reject the financial report which would recreate the task for the accountant.
Frameworks, and particularly open-source frameworks such as Activiti, can implement a solution that has the same and often better implemented ;- features as those of a big vendor.
Due to the BPMN 2. The downside of a standard however, is the fact that it is always the result of many discussions and compromises between different companies and often visions. As a developer reading the BPMN 2. Since Activiti puts ease of development as a top-priority, we introduced something called the Activiti BPMN extensions. These extensions are new constructs or ways to simplify certain constructs that are not in the BPMN 2.
Although the BPMN 2. The prerequisite of such a custom extension is that there always must be a simple transformation to the standard way of doing things.
When using a custom extension, this is always clearly indicated by giving the new XML element, attribute, etc. So whether you want to use a custom extension or not, is completely up to you. Several factors will influence this decision graphical editor usage, company policy, etc.
We only provide them since we believe that some points in the standard can be done simpler or more efficient. Who knows, some day your idea might pop up in the specification! Events are used to model something that happens during the lifetime process. Events are always visualized as a circle. In BPMN 2. Catching: when process execution arrives in the event, it will wait for a trigger to happen. The type of trigger is defined by the inner icon or the type declaration in the XML.
Catching events are visually differentiated from a throwing event by the inner icon that is not filled i. Throwing: when process execution arrives in the event, a trigger is fired.
Throwing events are visually differentiated from a catching event by the inner icon that is filled with black. Event definitions define the semantics of an event. Without an event definition, an event “does nothing special”. For instance a start event without and event definition does not specify what exactly starts the process. If we add an event definition to the start event like for instance a timer event definition we declare what “type” of event starts the process in the case of a timer event definition the fact that a certain point in time is reached.
Timer events are events which are triggered by defined timer. They can be used as start event , intermediate event or boundary event.
The behavior of the time event depends on the business calendar used. Every timer event has a default business calendar, but the business calendar can also be defined on the timer event definition. Where businessCalendarName points to business calendar in process engine configuration. When business calendar is omitted default business calendars are used. This format specifies fixed date in ISO format, when trigger will be fired. To specify how long the timer should run before it is fired, a timeDuration can be specified as sub-element of timerEventDefinition.
Example interval lasting 10 days :. Specifies repeating interval, which can be useful for starting process periodically, or for sending multiple reminders for overdue user task. Time cycle element can be in two formats. First is the format of recurring time duration, as specified by ISO standard. Example 3 repeating intervals, each lasting 10 hours :. When the endDate is reached the application will stop creating other jobs for this task.
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