/* * Licensed to GraphHopper GmbH under one or more contributor * license agreements. See the NOTICE file distributed with this work for * additional information regarding copyright ownership. * * GraphHopper GmbH 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 com.graphhopper.storage; import com.graphhopper.util.PointAccess; /** * This interface specifies how to access properties of the nodes in the graph. Similar to * EdgeExplorer as it needs multiple instances for different threads or loops but without the need * for an additional iterator. * <p> * * @author Peter Karich */ public interface NodeAccess extends PointAccess { /** * @return the additional value at the specified node index * @throws AssertionError if, and only if, the extendedStorage does not require an additional * node field */ int getAdditionalNodeField(int nodeId); /** * Sets the additional value at the specified node index * <p> * * @throws AssertionError if, and only if, the extendedStorage does not require an additional * node field */ void setAdditionalNodeField(int nodeId, int additionalValue); }