[2/3] ignite git commit: IGNITE-8169: [ML] Adopt KMeans to the new Partitioned Dataset and cleanup old code

[chief]

http://git-wip-us.apache.org/repos/asf/ignite/blob/7173b0c4/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
--
diff --git 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
 
b/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
deleted file mode 100644
index 70009cb..000
--- 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.ignite.ml.clustering;
-
-import java.util.Arrays;
-import org.apache.ignite.ml.Exportable;
-import org.apache.ignite.ml.Exporter;
-import org.apache.ignite.ml.FuzzyCMeansModelFormat;
-import org.apache.ignite.ml.math.Vector;
-import org.apache.ignite.ml.math.distances.DistanceMeasure;
-
-/** This class incapsulates result of clusterization. */
-public class FuzzyCMeansModel implements ClusterizationModel, 
Exportable {
-/** Centers of clusters. */
-private Vector[] centers;
-
-/** Distance measure. */
-private DistanceMeasure measure;
-
-/**
- * Constructor that creates FCM model by centers and measure.
- *
- * @param centers Array of centers.
- * @param measure Distance measure.
- */
-public FuzzyCMeansModel(Vector[] centers, DistanceMeasure measure) {
-this.centers = Arrays.copyOf(centers, centers.length);
-this.measure = measure;
-}
-
-/** Distance measure used while clusterization. */
-public DistanceMeasure distanceMeasure() {
-return measure;
-}
-
-/** @inheritDoc */
-@Override public int clustersCount() {
-return centers.length;
-}
-
-/** @inheritDoc */
-@Override public Vector[] centers() {
-return Arrays.copyOf(centers, centers.length);
-}
-
-/**
- * Predict closest center index for a given vector.
- *
- * @param val Vector.
- * @return Index of the closest center or -1 if it can't be found.
- */
-@Override public Integer apply(Vector val) {
-int idx = -1;
-double minDistance = Double.POSITIVE_INFINITY;
-
-for (int i = 0; i < centers.length; i++) {
-double currDistance = measure.compute(val, centers[i]);
-if (currDistance < minDistance) {
-minDistance = currDistance;
-idx = i;
-}
-}
-
-return idx;
-}
-
-/** {@inheritDoc} */
-@Override public  void saveModel(Exporter 
exporter, P path) {
-FuzzyCMeansModelFormat mdlData = new FuzzyCMeansModelFormat(centers, 
measure);
-
-exporter.save(mdlData, path);
-}
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/7173b0c4/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
--
diff --git 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
 
b/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
deleted file mode 100644
index 5595b4c..000
--- 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * 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.
- */
-
-package 

[2/3] ignite git commit: IGNITE-8169: [ML] Adopt KMeans to the new Partitioned Dataset and cleanup old code

[chief]

http://git-wip-us.apache.org/repos/asf/ignite/blob/9e21cec0/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
--
diff --git 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
 
b/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
deleted file mode 100644
index 70009cb..000
--- 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/FuzzyCMeansModel.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.ignite.ml.clustering;
-
-import java.util.Arrays;
-import org.apache.ignite.ml.Exportable;
-import org.apache.ignite.ml.Exporter;
-import org.apache.ignite.ml.FuzzyCMeansModelFormat;
-import org.apache.ignite.ml.math.Vector;
-import org.apache.ignite.ml.math.distances.DistanceMeasure;
-
-/** This class incapsulates result of clusterization. */
-public class FuzzyCMeansModel implements ClusterizationModel, 
Exportable {
-/** Centers of clusters. */
-private Vector[] centers;
-
-/** Distance measure. */
-private DistanceMeasure measure;
-
-/**
- * Constructor that creates FCM model by centers and measure.
- *
- * @param centers Array of centers.
- * @param measure Distance measure.
- */
-public FuzzyCMeansModel(Vector[] centers, DistanceMeasure measure) {
-this.centers = Arrays.copyOf(centers, centers.length);
-this.measure = measure;
-}
-
-/** Distance measure used while clusterization. */
-public DistanceMeasure distanceMeasure() {
-return measure;
-}
-
-/** @inheritDoc */
-@Override public int clustersCount() {
-return centers.length;
-}
-
-/** @inheritDoc */
-@Override public Vector[] centers() {
-return Arrays.copyOf(centers, centers.length);
-}
-
-/**
- * Predict closest center index for a given vector.
- *
- * @param val Vector.
- * @return Index of the closest center or -1 if it can't be found.
- */
-@Override public Integer apply(Vector val) {
-int idx = -1;
-double minDistance = Double.POSITIVE_INFINITY;
-
-for (int i = 0; i < centers.length; i++) {
-double currDistance = measure.compute(val, centers[i]);
-if (currDistance < minDistance) {
-minDistance = currDistance;
-idx = i;
-}
-}
-
-return idx;
-}
-
-/** {@inheritDoc} */
-@Override public  void saveModel(Exporter 
exporter, P path) {
-FuzzyCMeansModelFormat mdlData = new FuzzyCMeansModelFormat(centers, 
measure);
-
-exporter.save(mdlData, path);
-}
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/9e21cec0/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
--
diff --git 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
 
b/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
deleted file mode 100644
index 5595b4c..000
--- 
a/modules/ml/src/main/java/org/apache/ignite/ml/clustering/KMeansDistributedClusterer.java
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * 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.
- */
-
-package