org.apache.tinkerpop.gremlin.server.op

Class OpLoader

java.lang.Object

org.apache.tinkerpop.gremlin.server.op.OpLoader

public final class OpLoader
extends Object

Uses ServiceLoader to load OpProcessor instances into a cache.

Author:

Stephen Mallette (http://stephen.genoprime.com)

Constructor Summary

Constructors

Constructor and Description
OpLoader()

Method Summary

Modifier and Type	Method and Description
static Optional<OpProcessor>	getProcessor(String name) Gets an OpProcessor by its name.
static Map<String,OpProcessor>	getProcessors() Gets a read-only map of the processors where the key is the OpProcessor name and the value is the instance created by ServiceLoader.
static void	init(Settings settings) Initialize the OpLoader with server settings.
static void	reset() Reset the processors so that they can be re-initialized with different settings which is useful in testing scenarios.

Methods inherited from class java.lang.Object

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

Constructor Detail

OpLoader

public OpLoader()

Method Detail

init

public static void init(Settings settings)

Initialize the OpLoader with server settings. This method should only be called once at startup but is designed to be idempotent.

getProcessor

public static Optional<OpProcessor> getProcessor(String name)

Gets an OpProcessor by its name. If it cannot be found an Optional.empty() is returned.

getProcessors

public static Map<String,OpProcessor> getProcessors()

Gets a read-only map of the processors where the key is the OpProcessor name and the value is the instance created by ServiceLoader.

reset

public static void reset()

Reset the processors so that they can be re-initialized with different settings which is useful in testing scenarios.