com.signalcollect.storage.MixedVertexStorage.scala Maven / Gradle / Ivy

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A framework for parallel and distributed graph processing.

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/*
 *  @author Daniel Strebel
 *  @author Philip Stutz
 *
 *  Copyright 2013 University of Zurich
 *
 *  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 com.signalcollect.storage

import com.signalcollect.interfaces.Storage
import com.signalcollect.interfaces.VertexStore
import com.signalcollect.Vertex

/**
 *  Storage backed by a custom-tailored open hash map implementation for vertices.
 */
class MixedVertexStorage[Id, Signal] extends Storage[Id, Signal] {

  def updateStateOfVertex(vertex: Vertex[Id, _, Id, Signal]): Unit = Unit
  def close(): Unit = Unit

  val vertices = vertexStoreFactory
  protected def vertexStoreFactory: VertexStore[Id, Signal] = new VertexMap[Id, Signal](initialSize = 32768, rehashFraction = .8f)

  val toCollect = vertexSignalFactory //holds all signals that are not collected yet
  protected def vertexSignalFactory = new JavaVertexMap[Id, Signal]
  val toSignal = vertexSetFactory //holds all vertex ids that need to signal
  protected def vertexSetFactory = new JavaVertexMap[Id, Signal]

}