[MINOR] Added licenses for DDCLZWSchemeMC/SC and renamed assertLosslessCompression_NoRepetition to assertLosslessCompressionNoRepetition in order to pass codestyle test.

Author: florian-jobs

src/main/java/org/apache/sysds/runtime/compress/colgroup/ColGroupDDCLZW.java

@@ -322,7 +322,6 @@ int next() {
 		}
 	}
 
-
 	/**
 	 * Builds a packed 64-bit key from a prefix code and a next symbol, typically used in an LZW dictionary.
 	 *

src/main/java/org/apache/sysds/runtime/compress/colgroup/scheme/DDCLZWSchemeMC.java

@@ -1,3 +1,22 @@
+/*
+ * 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.sysds.runtime.compress.colgroup.scheme;
 
 import org.apache.sysds.runtime.compress.DMLCompressionException;

src/main/java/org/apache/sysds/runtime/compress/colgroup/scheme/DDCLZWSchemeSC.java

@@ -1,3 +1,22 @@
+/*
+ * 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.sysds.runtime.compress.colgroup.scheme;
 
 import org.apache.sysds.runtime.compress.DMLCompressionException;

src/test/java/org/apache/sysds/test/component/compress/colgroup/ColGroupDDCLZWTest.java

@@ -410,7 +410,7 @@ public void testRepetitiveData() {
 		assertLosslessCompression(ddc);
 	}
 
-	public void assertLosslessCompression_NoRepetition(ColGroupDDCLZW original, int nRows) {
+	public void assertLosslessCompressionNoRepetition(ColGroupDDCLZW original, int nRows) {
 		AColGroup decompressed = original.convertToDDC();
 		assertNotNull(decompressed);
 		assertTrue(decompressed instanceof ColGroupDDC);
@@ -439,7 +439,7 @@ public void testNoRepetition() {
 		assertNotNull(cg);
 		assertTrue(cg instanceof ColGroupDDCLZW);
 
-		assertLosslessCompression_NoRepetition((ColGroupDDCLZW) cg, 20);
+		assertLosslessCompressionNoRepetition((ColGroupDDCLZW) cg, 20);
 	}
 
 	public void testDecompressToDenseBlock(double[][] data, boolean isTransposed) {