com.signalcollect.triplerush.util.TripleRushVertexMapStorage.scala Maven / Gradle / Ivy

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/*
 *  @author Daniel Strebel
 *
 *  Copyright 2011 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.triplerush.util

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

/**
 * Storage backed by a custom-tailored open hash map implementation for vertices.
 */
final class TripleRushVertexMapStorage extends Storage[Long, Any] {

  val vertices = vertexStoreFactory

  protected def vertexStoreFactory: VertexStore[Long, Any] = new TripleRushVertexMap(initialSize = 32768, rehashFraction = .4f)

  val toCollect = vertexSignalFactory

  //holds all signals that are not collected yet
  protected def vertexSignalFactory = new TripleRushVertexMap(initialSize = 2, rehashFraction = .9f)

  val toSignal = vertexSetFactory

  //holds all vertex ids that need to signal
  protected def vertexSetFactory = new TripleRushVertexMap(initialSize = 2, rehashFraction = .9f)

  def close(): Unit = Unit

  def updateStateOfVertex(vertex: Vertex[Long, _, Long, Any]): Unit = Unit

}