'final'lize slf4j-compat classes

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/CompatibilityLogger.java

@@ -34,7 +34,7 @@ import org.slf4j.helpers.MessageFormatter;
  *
  * @since v1-alpha0
  */
-public class CompatibilityLogger extends LegacyAbstractLogger {
+public final class CompatibilityLogger extends LegacyAbstractLogger {
     /**
      * Logger instance, used to print all log messages coming from SLF4J.
      *

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/CompatibilityLoggerFactory.java

@@ -31,7 +31,7 @@ import java.util.concurrent.ConcurrentMap;
  *
  * @since v1-alpha0
  */
-public class CompatibilityLoggerFactory implements ILoggerFactory {
+public final class CompatibilityLoggerFactory implements ILoggerFactory {
     ConcurrentMap<@NotNull String, @NotNull Logger> loggerMap;
 
     /**

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/CompatibilityLoggerProvider.java

@@ -35,7 +35,7 @@ import org.slf4j.spi.SLF4JServiceProvider;
  * @since v1-alpha0
  */
 @Getter
-public class CompatibilityLoggerProvider implements SLF4JServiceProvider {
+public final class CompatibilityLoggerProvider implements SLF4JServiceProvider {
     /**
      * Contains a {@link CompatibilityLoggerFactory}.
      *

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/Slf4jCompatSubsystem.java

@@ -42,7 +42,7 @@ import org.slf4j.LoggerFactory;
  */
 @EngineSubsystem
 @SuppressWarnings({ "JavadocDeclaration" })
-public class Slf4jCompatSubsystem extends SubsystemClass {
+public final class Slf4jCompatSubsystem extends SubsystemClass {
     /**
      * Contains the class instance.
      *

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/package-info.java

@@ -21,5 +21,6 @@
  * Code of the SLF4J Compatibility subsystem.
  *
  * @see de.staropensource.sosengine.slf4j_compat.Slf4jCompatSubsystem#Slf4jCompatSubsystem()
+ * @since v1-alpha0
  */
 package de.staropensource.sosengine.slf4j_compat;