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Java example source code file (NodeConnections.java)
The NodeConnections.java Java example source code/* * Copyright (C) 2016 The Guava Authors * * 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.google.common.graph; import com.google.errorprone.annotations.CanIgnoreReturnValue; import java.util.Set; /** * An interface for representing an origin node's adjacent nodes and incident edges in a network. * * @author James Sexton * @param <N> Node parameter type * @param <E> Edge parameter type */ interface NodeConnections<N, E> { Set<N> adjacentNodes(); Set<N> predecessors(); Set<N> successors(); Set<E> incidentEdges(); Set<E> inEdges(); Set<E> outEdges(); /** * Returns the node that is opposite the origin node along {@code edge}. * In the directed case, {@code edge} is assumed to be an outgoing edge. */ N oppositeNode(Object edge); /** * Returns the set of edges connecting the origin node to {@code node}. * For networks without parallel edges, this set cannot be of size greater than one. */ Set<E> edgesConnecting(Object node); /** * Remove {@code edge} from the set of incoming edges. Returns the former predecessor node. */ @CanIgnoreReturnValue N removeInEdge(Object edge); /** * Remove {@code edge} from the set of outgoing edges. Returns the former successor node. */ @CanIgnoreReturnValue N removeOutEdge(Object edge); /** * Add {@code edge} to the set of incoming edges. Implicitly adds {@code node} as a predecessor. * Returns true if the edge did not already exist. */ @CanIgnoreReturnValue boolean addInEdge(E edge, N node); /** * Add {@code edge} to the set of outgoing edges. Implicitly adds {@code node} as a successor. * Returns true if the edge did not already exist. */ @CanIgnoreReturnValue boolean addOutEdge(E edge, N node); } Other Java examples (source code examples)Here is a short list of links related to this Java NodeConnections.java source code file: |
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