org.activiti.cdi.CurrentProcessInstance Maven / Gradle / Ivy
/* 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.cdi;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import javax.inject.Named;
import org.activiti.cdi.annotation.ProcessInstanceId;
import org.activiti.cdi.annotation.TaskId;
import org.activiti.engine.runtime.Execution;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
/**
* Allows to access executions and tasks of a managed process instance via
* dependency injection. A process instance can be managed, using the
* {@link BusinessProcess}-bean.
*
* The producer methods provided by this class have been extracted from the
* {@link BusinessProcess}-bean in order to allow for specializing it.
*
* @author Falko Menge
*/
public class CurrentProcessInstance {
@Inject
private BusinessProcess businessProcess;
/**
* Returns the {@link ProcessInstance} currently associated or 'null'
*
* @throws ActivitiCdiException
* if no {@link Execution} is associated. Use
* {@link BusinessProcess#isAssociated()} to check whether an
* association exists.
*/
/* Makes the current ProcessInstance available for injection */
@Produces
@Named
public ProcessInstance getProcessInstance() {
return businessProcess.getProcessInstance();
}
/**
* Returns the id of the currently associated process instance or 'null'
*/
/* Makes the processId available for injection */
@Produces
@Named
@ProcessInstanceId
public String getProcessInstanceId() {
return businessProcess.getProcessInstanceId();
}
/**
* Returns the currently associated execution or 'null'
*/
/* Makes the current Execution available for injection */
@Produces
@Named
public Execution getExecution() {
return businessProcess.getExecution();
}
/**
* @see BusinessProcess#getExecution()
*/
/* Makes the id of the current Execution available for injection */
@Produces
@Named
public String getExecutionId() {
return businessProcess.getExecutionId();
}
/**
* Returns the currently associated {@link Task} or 'null'
*
* @throws ActivitiCdiException
* if no {@link Task} is associated. Use
* {@link BusinessProcess#isTaskAssociated()} to check whether an
* association exists.
*/
/* Makes the current Task available for injection */
@Produces
@Named
public Task getTask() {
return businessProcess.getTask();
}
/**
* Returns the id of the task associated with the current conversation or
* 'null'.
*/
/* Makes the taskId available for injection */
@Produces
@Named
@TaskId
public String getTaskId() {
return businessProcess.getTaskId();
}
}