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Java example source code file (GraphBuilder.java)
The GraphBuilder.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 static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; import com.google.common.annotations.Beta; import com.google.common.base.Optional; /** * A builder for constructing instances of {@link Graph} with user-defined properties. * * <p>A graph built by this class will have the following properties by default: * <ul> * <li>does not allow parallel edges * <li>allows self-loops * <li>orders {@code nodes()} in the order in which the elements were added * </ul> * * @author James Sexton * @author Joshua O'Madadhain * @since 20.0 */ @Beta public final class GraphBuilder<N> { final boolean directed; boolean allowsSelfLoops = true; ElementOrder<N> nodeOrder = ElementOrder.insertion(); Optional<Integer> expectedNodeCount = Optional.absent(); /** * Creates a new instance with the specified edge directionality. * * @param directed if true, creates an instance for graphs whose edges are each directed; * if false, creates an instance for graphs whose edges are each undirected. */ private GraphBuilder(boolean directed) { this.directed = directed; } /** * Returns a {@link GraphBuilder} for building directed graphs. */ public static GraphBuilder<Object> directed() { return new GraphBuilder<Object>(true); } /** * Returns a {@link GraphBuilder} for building undirected graphs. */ public static GraphBuilder<Object> undirected() { return new GraphBuilder<Object>(false); } /** * Returns a {@link GraphBuilder} initialized with all properties queryable from {@code graph}. * * <p>The "queryable" properties are those that are exposed through the {@link Graph} interface, * such as {@link Graph#isDirected()}. Other properties, such as {@link #expectedNodeCount(int)}, * are not set in the new builder. */ public static <N> GraphBuilder Other Java examples (source code examples)Here is a short list of links related to this Java GraphBuilder.java source code file: |
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