Inheritance: IEqualityComparer
コード例 #1
0
ファイル: Person.cs プロジェクト: ReynBer/dotnet_core
 public PersonComparer()
 {
     personsComparer = new ListComparer <Person>(Equals);
 }
コード例 #2
0
ファイル: ListManipulator.cs プロジェクト: 0xCM/arrows
 /// <summary>
 /// Checks if given lists are equal.
 /// Lists are considered equal if they contain the same elements in the same order.
 /// </summary>
 /// <param name="sequence1">The first list.</param>
 /// <param name="sequence2">The second list.</param>
 /// <returns><see langword="true"/> if the lists are equal, <see langword="false"/> otherwise.</returns>
 public bool SequencesAreEqual(TList sequence1, TList sequence2) => ListComparer <TElement> .EqualLists(sequence1, sequence2);
コード例 #3
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        public void GetModelTest()
        {
            var firstPoint = new Point {
                PointId = 1, HorizontalDisplacement = 0, VerticalDisplacement = 0
            };
            var secondPoint = new Point {
                PointId = 2, HorizontalDisplacement = 0, VerticalDisplacement = 2
            };
            var thirdPoint = new Point {
                PointId = 3, HorizontalDisplacement = 3, VerticalDisplacement = 3
            };

            var firstModeledPoint = new ClusteredPoint
            {
                PointId = firstPoint.PointId,
                HorizontalDisplacement = firstPoint.HorizontalDisplacement,
                VerticalDisplacement   = firstPoint.VerticalDisplacement,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 3
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 2
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 1
                    },
                }
            };

            var secondModeledPoint = new ClusteredPoint
            {
                PointId = secondPoint.PointId,
                HorizontalDisplacement = secondPoint.HorizontalDisplacement,
                VerticalDisplacement   = secondPoint.VerticalDisplacement,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterId    = 2,
                        ClusterCount = 3
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 2
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 1
                    },
                }
            };

            var thirdModeledPoint = new ClusteredPoint
            {
                PointId = thirdPoint.PointId,
                HorizontalDisplacement = thirdPoint.HorizontalDisplacement,
                VerticalDisplacement   = thirdPoint.VerticalDisplacement,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterId    = 3,
                        ClusterCount = 3
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 3,
                        ClusterCount = 2
                    },
                    new ClusterSnapshot
                    {
                        ClusterId    = 1,
                        ClusterCount = 1
                    },
                }
            };

            var modeledPoints = new AgglomerativeHierarchicalClusteringService(this._distanceService).GetModel(new List <Point>
            {
                firstPoint, secondPoint, thirdPoint
            });
            var expectedModeledPoints = new List <ClusteredPoint>
            {
                firstModeledPoint, secondModeledPoint, thirdModeledPoint
            };

            Assert.IsTrue(ListComparer.Compare(modeledPoints, expectedModeledPoints));
        }
コード例 #4
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        public void MergeClusterTest()
        {
            var firstCluster = new Cluster <ClusteredPoint>
            {
                ClusterId = 1,
                Points    = new List <ClusteredPoint>
                {
                    new ClusteredPoint
                    {
                        PointId = 10,
                        HorizontalDisplacement = 1,
                        VerticalDisplacement   = 2
                    }
                }
            };
            var secondCluster = new Cluster <ClusteredPoint>
            {
                ClusterId = 2,
                Points    = new List <ClusteredPoint>
                {
                    new ClusteredPoint
                    {
                        PointId = 20,
                        HorizontalDisplacement = 3,
                        VerticalDisplacement   = 4
                    }
                }
            };
            var thirdCluster = new Cluster <ClusteredPoint>
            {
                ClusterId = 3,
                Points    = new List <ClusteredPoint>
                {
                    new ClusteredPoint
                    {
                        PointId = 30,
                        HorizontalDisplacement = 5,
                        VerticalDisplacement   = 6
                    }
                }
            };
            var clusters = new List <Cluster <ClusteredPoint> >
            {
                firstCluster, secondCluster, thirdCluster
            };

            var mergedClusters = AgglomerativeHierarchicalClusteringService
                                 .MergeClusters <Cluster <ClusteredPoint>, ClusteredPoint>(clusters,
                                                                                           secondCluster, thirdCluster)
                                 .ToList();

            var expectedMergedClusters = new List <Cluster <ClusteredPoint> >
            {
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 1,
                    Points    = new List <ClusteredPoint>
                    {
                        new ClusteredPoint
                        {
                            PointId = 10,
                            HorizontalDisplacement = 1,
                            VerticalDisplacement   = 2
                        }
                    }
                },
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 2,
                    Points    = new List <ClusteredPoint>
                    {
                        new ClusteredPoint
                        {
                            PointId = 20,
                            HorizontalDisplacement = 3,
                            VerticalDisplacement   = 4
                        },
                        new ClusteredPoint
                        {
                            PointId = 30,
                            HorizontalDisplacement = 5,
                            VerticalDisplacement   = 6
                        }
                    }
                }
            };

            Assert.IsTrue(ListComparer.Compare(mergedClusters, expectedMergedClusters));
        }
コード例 #5
0
        public void RecordClustersTest()
        {
            var firstPoint = new ClusteredPoint
            {
                PointId = 1,
                HorizontalDisplacement = 2,
                VerticalDisplacement   = 3,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterCount = 2,
                        ClusterId    = 1
                    }
                }
            };
            var secondPoint = new ClusteredPoint
            {
                PointId = 2,
                HorizontalDisplacement = 4,
                VerticalDisplacement   = 5,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterCount = 3,
                        ClusterId    = 2
                    }
                }
            };
            var thirdPoint = new ClusteredPoint
            {
                PointId = 3,
                HorizontalDisplacement = 6,
                VerticalDisplacement   = 7,
                ClusterSnapshots       = new List <ClusterSnapshot>
                {
                    new ClusterSnapshot
                    {
                        ClusterCount = 4,
                        ClusterId    = 1
                    }
                }
            };

            var clusters = new List <Cluster <ClusteredPoint> >
            {
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 1,
                    Points    = new List <ClusteredPoint>
                    {
                        firstPoint, secondPoint
                    }
                },
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 2,
                    Points    = new List <ClusteredPoint>
                    {
                        thirdPoint
                    }
                }
            };

            var actualRecordedClusters = AgglomerativeHierarchicalClusteringService.RecordClusters(clusters);
            var recordedFirstPoint     = firstPoint.GetShallowCopy();
            var recordedSecondPoint    = secondPoint.GetShallowCopy();
            var recordedThirdPoint     = thirdPoint.GetShallowCopy();

            recordedFirstPoint.ClusterSnapshots.Append(new ClusterSnapshot
            {
                ClusterId    = 1,
                ClusterCount = 3
            });

            recordedSecondPoint.ClusterSnapshots.Append(new ClusterSnapshot
            {
                ClusterId    = 2,
                ClusterCount = 3
            });

            recordedThirdPoint.ClusterSnapshots.Append(new ClusterSnapshot
            {
                ClusterId    = 2,
                ClusterCount = 3
            });

            var expectedRecordedClusters = new List <Cluster <ClusteredPoint> >
            {
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 1,
                    Points    = new List <ClusteredPoint>
                    {
                        recordedFirstPoint, recordedSecondPoint
                    }
                },
                new Cluster <ClusteredPoint>
                {
                    ClusterId = 2,
                    Points    = new List <ClusteredPoint>
                    {
                        recordedThirdPoint
                    }
                }
            };

            Assert.IsTrue(ListComparer.Compare(actualRecordedClusters, expectedRecordedClusters));
        }