/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.tinkerpop.gremlin.tinkergraph.process.computer;
import org.apache.tinkerpop.gremlin.process.computer.MessageScope;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import java.util.HashSet;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
final class TinkerMessageBoard<M> {
public Map<Vertex, Queue<M>> sendMessages = new ConcurrentHashMap<>();
public Map<Vertex, Queue<M>> receiveMessages = new ConcurrentHashMap<>();
public Set<MessageScope> previousMessageScopes = new HashSet<>();
public Set<MessageScope> currentMessageScopes = new HashSet<>();
public void completeIteration() {
this.receiveMessages = this.sendMessages;
this.sendMessages = new ConcurrentHashMap<>();
this.previousMessageScopes = this.currentMessageScopes;
this.currentMessageScopes = new HashSet<>();
}
}