io.vertx.core.spi

Interface ExecutorServiceFactory

All Superinterfaces:

VertxServiceProvider

public interface ExecutorServiceFactory
extends VertxServiceProvider

The interface for a factory used to obtain an external ExecutorService.

Author:

Gordon Hutchison

Field Summary

Fields

Modifier and Type	Field and Description
static ExecutorServiceFactory	INSTANCE Default instance that delegates to Executors.newFixedThreadPool(int, ThreadFactory)

Method Summary

Modifier and Type	Method and Description
ExecutorService	createExecutor(ThreadFactory threadFactory, Integer concurrency, Integer maxConcurrency) Create an ExecutorService
default void	init(io.vertx.core.impl.VertxBuilder builder) Let the provider initialize the Vert.x builder.

Field Detail

INSTANCE

static final ExecutorServiceFactory INSTANCE

Default instance that delegates to Executors.newFixedThreadPool(int, ThreadFactory)

Method Detail

init

default void init(io.vertx.core.impl.VertxBuilder builder)

Description copied from interface: VertxServiceProvider

Let the provider initialize the Vert.x builder.

Specified by:

init in interface VertxServiceProvider

Parameters:

builder - the builder

createExecutor

ExecutorService createExecutor(ThreadFactory threadFactory,
                               Integer concurrency,
                               Integer maxConcurrency)

Create an ExecutorService

Parameters:

threadFactory - A ThreadFactory which must be used by the created ExecutorService to create threads. Null indicates there is no requirement to use a specific factory.

concurrency - The target level of concurrency or 0 which indicates unspecified

maxConcurrency - A hard limit to the level of concurrency required, should be greater than concurrency or 0 which indicates unspecified.

Returns:

an ExecutorService that can be used to run tasks