Remove an extra level in the class hierarchy.

Closes #1574

Author: valery1707

Diff for: spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/convert/R2dbcConverters.java

@@ -30,10 +30,6 @@
 
 import org.springframework.core.convert.converter.Converter;
 import org.springframework.core.convert.converter.ConverterFactory;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToOffsetDateTimeConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToStringConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToUuidConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToZonedDateTimeConverter;
 import org.springframework.util.Assert;
 import org.springframework.util.NumberUtils;
 
@@ -42,6 +38,7 @@
  *
  * @author Hebert Coelho
  * @author Mark Paluch
+ * @author Valeriy Vyrva
  */
 abstract class R2dbcConverters {
 
@@ -169,66 +166,66 @@ public T convert(Row source) {
 				return (object != null ? NumberUtils.convertNumberToTargetClass((Number) object, this.targetType) : null);
 			}
 		}
+	}
 
-		/**
-		 * Simple singleton to convert {@link Row}s to their {@link OffsetDateTime} representation.
-		 *
-		 * @author Hebert Coelho
-		 */
-		public enum RowToOffsetDateTimeConverter implements Converter<Row, OffsetDateTime> {
+	/**
+	 * Simple singleton to convert {@link Row}s to their {@link OffsetDateTime} representation.
+	 *
+	 * @author Hebert Coelho
+	 */
+	public enum RowToOffsetDateTimeConverter implements Converter<Row, OffsetDateTime> {
 
-			INSTANCE;
+		INSTANCE;
 
-			@Override
-			public OffsetDateTime convert(Row row) {
-				return row.get(0, OffsetDateTime.class);
-			}
+		@Override
+		public OffsetDateTime convert(Row row) {
+			return row.get(0, OffsetDateTime.class);
 		}
+	}
 
-		/**
-		 * Simple singleton to convert {@link Row}s to their {@link String} representation.
-		 *
-		 * @author Hebert Coelho
-		 */
-		public enum RowToStringConverter implements Converter<Row, String> {
+	/**
+	 * Simple singleton to convert {@link Row}s to their {@link String} representation.
+	 *
+	 * @author Hebert Coelho
+	 */
+	public enum RowToStringConverter implements Converter<Row, String> {
 
-			INSTANCE;
+		INSTANCE;
 
-			@Override
-			public String convert(Row row) {
-				return row.get(0, String.class);
-			}
+		@Override
+		public String convert(Row row) {
+			return row.get(0, String.class);
 		}
+	}
 
-		/**
-		 * Simple singleton to convert {@link Row}s to their {@link UUID} representation.
-		 *
-		 * @author Hebert Coelho
-		 */
-		public enum RowToUuidConverter implements Converter<Row, UUID> {
+	/**
+	 * Simple singleton to convert {@link Row}s to their {@link UUID} representation.
+	 *
+	 * @author Hebert Coelho
+	 */
+	public enum RowToUuidConverter implements Converter<Row, UUID> {
 
-			INSTANCE;
+		INSTANCE;
 
-			@Override
-			public UUID convert(Row row) {
-				return row.get(0, UUID.class);
-			}
+		@Override
+		public UUID convert(Row row) {
+			return row.get(0, UUID.class);
 		}
+	}
 
-		/**
-		 * Simple singleton to convert {@link Row}s to their {@link ZonedDateTime} representation.
-		 *
-		 * @author Hebert Coelho
-		 */
-		public enum RowToZonedDateTimeConverter implements Converter<Row, ZonedDateTime> {
+	/**
+	 * Simple singleton to convert {@link Row}s to their {@link ZonedDateTime} representation.
+	 *
+	 * @author Hebert Coelho
+	 */
+	public enum RowToZonedDateTimeConverter implements Converter<Row, ZonedDateTime> {
 
-			INSTANCE;
+		INSTANCE;
 
-			@Override
-			public ZonedDateTime convert(Row row) {
-				return row.get(0, ZonedDateTime.class);
-			}
+		@Override
+		public ZonedDateTime convert(Row row) {
+			return row.get(0, ZonedDateTime.class);
 		}
-
 	}
+
 }

Diff for: spring-data-r2dbc/src/test/java/org/springframework/data/r2dbc/convert/R2dbcConvertersUnitTests.java

@@ -35,16 +35,17 @@
 import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToLocalDateTimeConverter;
 import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToLocalTimeConverter;
 import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToOffsetDateTimeConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToStringConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToUuidConverter;
-import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToNumberConverterFactory.RowToZonedDateTimeConverter;
+import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToOffsetDateTimeConverter;
+import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToStringConverter;
+import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToUuidConverter;
+import org.springframework.data.r2dbc.convert.R2dbcConverters.RowToZonedDateTimeConverter;
 
 /**
  * Unit tests for {@link R2dbcConverters}.
  *
  * @author Hebert Coelho
  * @author Mark Paluch
+ * @author Valeriy Vyrva
  */
 public class R2dbcConvertersUnitTests {