org.apache.tinkerpop.gremlin.server

Interface OpProcessor

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

AbstractEvalOpProcessor, AbstractOpProcessor, SessionOpProcessor, StandardOpProcessor, TraversalOpProcessor

public interface OpProcessor
extends AutoCloseable

Interface for providing commands that websocket requests will respond to.

Author:

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

Method Summary

Modifier and Type	Method and Description
String	getName() The name of the processor which requests must refer to "processor" field on a request.
default void	init(Settings settings) Initialize the OpProcessor with settings from the server.
ThrowingConsumer<Context>	select(Context ctx) Given the context (which contains the RequestMessage), return back a Consumer function that will be executed with the context.

Methods inherited from interface java.lang.AutoCloseable

close

Method Detail

getName

String getName()

The name of the processor which requests must refer to "processor" field on a request.

init

default void init(Settings settings)

Initialize the OpProcessor with settings from the server. This method should only be called once at server startup by a single thread.

select

ThrowingConsumer<Context> select(Context ctx)
                          throws OpProcessorException

Given the context (which contains the RequestMessage), return back a Consumer function that will be executed with the context. A typical implementation will simply check the "op" field on the RequestMessage and return the Consumer function for that particular operation.

Throws:

OpProcessorException