org.openmrs.scheduler.tasks

Class AbstractTask

java.lang.Object

org.openmrs.scheduler.tasks.AbstractTask

All Implemented Interfaces:

Task

Direct Known Subclasses:

AlertReminderTask, AutoCloseVisitsTask, CheckInternetConnectivityTask, ConceptIndexUpdateTask, GenerateDataExportTask, HelloWorldTask, ProcessHL7InQueueTask, SendEmailTask, StatefulTask, TestTask

public abstract class AbstractTask
extends java.lang.Object
implements Task

Base class for all other task classes.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isExecuting
protected TaskDefinition	taskDefinition

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractTask() Default constructor
protected	AbstractTask(TaskDefinition taskDefinition) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	authenticate() Deprecated. this method is not used anymore. All threads are run as the Daemon user
abstract void	execute() Executes the task defined in the task definition.
TaskDefinition	getTaskDefinition() Returns the task definition associated with this task.
void	initialize(TaskDefinition definition) Initializes the task and sets the task definition.
boolean	isExecuting() Returns true if the task is currently in its execute() method.
void	shutdown() Callback method used to clean up resources used during the tasks execution.
void	startExecuting() Callback method that tells the task that it has started executing.
void	stopExecuting() Callback method that tells the task that it has stopped executing.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

isExecuting

protected boolean isExecuting

taskDefinition

protected TaskDefinition taskDefinition

Constructor Detail

AbstractTask

protected AbstractTask()

Default constructor

AbstractTask

protected AbstractTask(TaskDefinition taskDefinition)

Constructor

Parameters:

taskDefinition - the task definition

Method Detail

execute

public abstract void execute()

Description copied from interface: Task

Executes the task defined in the task definition.

Specified by:

execute in interface Task

See Also:

Task.execute()

isExecuting

public boolean isExecuting()

Description copied from interface: Task

Returns true if the task is currently in its execute() method.

Specified by:

isExecuting in interface Task

Returns:

true if task is executing, false otherwise

See Also:

Task.isExecuting()

initialize

public void initialize(TaskDefinition definition)

Description copied from interface: Task

Initializes the task and sets the task definition.

Specified by:

initialize in interface Task

See Also:

Task.initialize(TaskDefinition)

getTaskDefinition

public TaskDefinition getTaskDefinition()

Description copied from interface: Task

Returns the task definition associated with this task.

Specified by:

getTaskDefinition in interface Task

Returns:

a task definition

See Also:

Task.getTaskDefinition()

shutdown

public void shutdown()

Description copied from interface: Task

Callback method used to clean up resources used during the tasks execution.

Specified by:

shutdown in interface Task

See Also:

Task.shutdown()

startExecuting

public void startExecuting()

Callback method that tells the task that it has started executing.

stopExecuting

public void stopExecuting()

Callback method that tells the task that it has stopped executing.

authenticate

@Deprecated
protected void authenticate()

Deprecated. this method is not used anymore. All threads are run as the Daemon user