org.opt4j.core.config

Class ExecutionEnvironment

java.lang.Object

org.opt4j.core.config.ExecutionEnvironment

All Implemented Interfaces:

TaskStateListener

public class ExecutionEnvironment
extends java.lang.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 and Description
protected java.util.concurrent.ExecutorService	executor
protected java.util.Set<TaskListener>	listeners
protected com.google.inject.Provider<Task>	taskProvider
protected java.util.List<Task>	tasks

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addListener(TaskListener listener) Adds a TaskListener.
protected void	addTask(Task task) Adds a Task and calls the listeners.
void	execute(java.util.Collection<com.google.inject.Module> modules) Executes the specified modules: A Task is created and submitted.
java.util.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 Detail

taskProvider

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

executor

protected final java.util.concurrent.ExecutorService executor

tasks

protected final java.util.List<Task> tasks

listeners

protected final java.util.Set<TaskListener> listeners

Constructor Detail

ExecutionEnvironment

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

Constructs a ExecutionEnvironment.

Parameters:

taskProvider - the task provider

Method Detail

execute

public void execute(java.util.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.core.config.TaskListener)

getTasks

public java.util.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