geotrellis.engine.actors.messages.scala Maven / Gradle / Ivy

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GeoTrellis is an open source geographic data processing engine for high performance applications.

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/*
 * Copyright (c) 2014 Azavea.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package geotrellis.engine.actors

import geotrellis.engine._
import akka.actor._


/*******************************************************
 * External messages sent from GeoTrellis land (non-actors)
 *******************************************************
 */

/**
 * External message to compute the given operation and return result to sender.
 * Run child operations using default local dispatcher.
 */
@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
case class Run(op:Operation[_])

/********************
 * Internal messages
 ********************
 */

/**
 * Internal message to run the provided op and send the result to the client.
 */
private[actors] case class RunOperation[T](op: Operation[T],
                                           pos: Int,
                                           client: ActorRef)

/**
 * Internal message to compute the provided args (if necessary), invoke the
 * provided callback with the computed args, and send the result to the client.
 */
private[actors] case class RunCallback[T](args:Args,
                                           pos:Int,
                                           cb:Callback[T],
                                           client:ActorRef,
                                           history:History)

/**
 * Message used to send result values. Used internally.
 */
private[engine] case class PositionedResult[T](result:InternalOperationResult[T], pos: Int)