| package org.apache.commons.graph.spanning; |
| |
| /* |
| * 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. |
| */ |
| |
| import static org.apache.commons.graph.utils.Assertions.checkNotNull; |
| |
| import org.apache.commons.graph.Graph; |
| import org.apache.commons.graph.Mapper; |
| |
| public final class DefaultSpanningWeightedEdgeMapperBuilder<V, WE> |
| implements SpanningWeightedEdgeMapperBuilder<V, WE> |
| { |
| |
| private final Graph<V, WE> graph; |
| |
| public DefaultSpanningWeightedEdgeMapperBuilder( Graph<V, WE> graph ) |
| { |
| this.graph = graph; |
| } |
| |
| public <W> SpanningTreeSourceSelector<V, W, WE> whereEdgesHaveWeights( Mapper<WE, W> weightedEdges ) |
| { |
| weightedEdges = checkNotNull( weightedEdges, "Function to calculate edges weight can not be null." ); |
| return new DefaultSpanningTreeSourceSelector<V, W, WE>( graph, weightedEdges ); |
| } |
| |
| } |