Package org.opt4j.config

Class ExecutionEnvironment

java.lang.Object

org.opt4j.config.ExecutionEnvironment

All Implemented Interfaces:

TaskStateListener

public class ExecutionEnvironment
extends Object
implements TaskStateListener

The ExecutionEnvironment for Tasks. The environment starts and monitors optimization tasks. Tasks are not submitted directly, instead a collection of Modules is submitted and a Task is created. The ExecutionEnvironment is processing the Tasks sequentially.

See Also:

• Task

Field Summary

Fields

Modifier and Type	Field	Description
protected final ExecutorService	executor
protected final Set<TaskListener>	listeners
protected final com.google.inject.Provider<Task>	taskProvider
protected final List<Task>	tasks

Constructor Summary

Constructors

Constructor	Description
ExecutionEnvironment(com.google.inject.Provider<Task> taskProvider)	Constructs a ExecutionEnvironment.

Method Summary

Modifier and Type	Method	Description
void	addListener(TaskListener listener)	Adds a TaskListener.
protected void	addTask(Task task)	Adds a Task and calls the listeners.
void	execute(Collection<com.google.inject.Module> modules)	Executes the specified modules: A Task is created and submitted.
List<Task>	getTasks()	Returns the list of all Tasks.
void	removeListener(TaskListener listener)	Removes a TaskListener.
void	stateChanged(Task task)	Invoked if a Task changes its state.

Methods inherited from class java.lang.Object

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

Field Details

taskProvider

protected final com.google.inject.Provider<Task> taskProvider

executor

protected final ExecutorService executor

tasks

protected final List<Task> tasks

listeners

protected final Set<TaskListener> listeners

Constructor Details

ExecutionEnvironment

@Inject
public ExecutionEnvironment(com.google.inject.Provider<Task> taskProvider)

Constructs a ExecutionEnvironment.

Parameters:

taskProvider - the task provider

Method Details

execute

public void execute(Collection<com.google.inject.Module> modules)

Executes the specified modules: A Task is created and submitted.

Parameters:

modules - the collection of modules for a Task

addTask

protected void addTask(Task task)

Adds a Task and calls the listeners.

Parameters:

task - the task to add

addListener

public void addListener(TaskListener listener)

Adds a TaskListener.

Parameters:

listener - the listener to be added

removeListener

public void removeListener(TaskListener listener)

Removes a TaskListener.

Parameters:

listener - the listener to be removed

See Also:

• addListener(org.opt4j.config.TaskListener)

getTasks

public List<Task> getTasks()

Returns the list of all Tasks.

Returns:

the list of all tasks

stateChanged

public void stateChanged(Task task)

Description copied from interface: TaskStateListener

Invoked if a Task changes its state.

Specified by:

stateChanged in interface TaskStateListener

Parameters:

task - the task that changed its state