| package org.apache.commons.graph.model; |
| |
| /* |
| * 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 java.lang.String.format; |
| import static org.apache.commons.graph.utils.Assertions.checkNotNull; |
| import static org.apache.commons.graph.utils.Objects.eq; |
| import static org.apache.commons.graph.utils.Objects.hash; |
| |
| import java.io.Serializable; |
| |
| public class BaseLabeledEdge |
| implements Serializable |
| { |
| |
| private static final long serialVersionUID = -4985890761880816592L; |
| private final String label; |
| |
| public BaseLabeledEdge( String label ) |
| { |
| this.label = checkNotNull( label, "Argument 'label' must not be null" ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getLabel() |
| { |
| return label; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public int hashCode() |
| { |
| return hash( 1, 31, label ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( this == obj ) |
| { |
| return true; |
| } |
| |
| if ( obj == null || getClass() != obj.getClass() ) |
| { |
| return false; |
| } |
| |
| BaseLabeledEdge other = (BaseLabeledEdge) obj; |
| |
| return eq( label, other.label ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() |
| { |
| return format( "%s()", getLabel() ); |
| } |
| |
| } |