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The Camunda BPMN engine + configurable support for GraalVM and support for CockroachDB.
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/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.cmd;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;
import java.io.Serializable;
import org.camunda.bpm.engine.form.TaskFormData;
import org.camunda.bpm.engine.impl.cfg.CommandChecker;
import org.camunda.bpm.engine.impl.form.handler.TaskFormHandler;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.TaskEntity;
import org.camunda.bpm.engine.impl.persistence.entity.TaskManager;
/**
* @author Tom Baeyens
*/
public class GetTaskFormCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String taskId;
public GetTaskFormCmd(String taskId) {
this.taskId = taskId;
}
public TaskFormData execute(CommandContext commandContext) {
TaskManager taskManager = commandContext.getTaskManager();
TaskEntity task = taskManager.findTaskById(taskId);
ensureNotNull("No task found for taskId '" + taskId + "'", "task", task);
for(CommandChecker checker : commandContext.getProcessEngineConfiguration().getCommandCheckers()) {
checker.checkReadTaskVariable(task);
}
if (task.getTaskDefinition() != null) {
TaskFormHandler taskFormHandler = task.getTaskDefinition().getTaskFormHandler();
ensureNotNull("No taskFormHandler specified for task '" + taskId + "'", "taskFormHandler", taskFormHandler);
return taskFormHandler.createTaskForm(task);
} else {
// Standalone task, no TaskFormData available
return null;
}
}
}