Merge pull request #46 from vanniktech/final

Apply final on Events, Exceptions and Predicates.

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/events/AclEvent.java

@@ -25,7 +25,7 @@
  * {@link BluetoothDevice#ACTION_ACL_DISCONNECT_REQUESTED},
  * {@link BluetoothDevice#ACTION_ACL_DISCONNECTED}
  */
-public class AclEvent {
+public final class AclEvent {
 
   private String action;
   private BluetoothDevice bluetoothDevice;

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/events/BondStateEvent.java

@@ -26,7 +26,7 @@
  * {@link BluetoothDevice#BOND_BONDING},
  * {@link BluetoothDevice#BOND_BONDED}
  */
-public class BondStateEvent {
+public final class BondStateEvent {
 
   private int state;
   private int previousState;

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/events/ConnectionStateEvent.java

@@ -28,7 +28,7 @@
  * {@link BluetoothAdapter#STATE_CONNECTED},
  * {@link BluetoothAdapter#STATE_DISCONNECTING}
  */
-public class ConnectionStateEvent {
+public final class ConnectionStateEvent {
 
   private int state;
   private int previousState;

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/events/ServiceEvent.java

@@ -22,7 +22,7 @@
  * disconnected), profile type and {@link BluetoothProfile}. When service state is {@link
  * State#DISCONNECTED} the bluetoothProfile is null.
  */
-public class ServiceEvent {
+public final class ServiceEvent {
 
   public enum State {
     CONNECTED, DISCONNECTED

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/exceptions/ConnectionClosedException.java

@@ -17,7 +17,7 @@
 
 import java.io.IOException;
 
-public class ConnectionClosedException extends IOException {
+public final class ConnectionClosedException extends IOException {
 
   public ConnectionClosedException() {
     super("Connection is closed.");

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/exceptions/GetProfileProxyException.java

@@ -21,7 +21,7 @@
  * Thrown when {@link BluetoothAdapter#getProfileProxy} returns true, which means that connection
  * to bluetooth profile failed.
  */
-public class GetProfileProxyException extends RuntimeException {
+public final class GetProfileProxyException extends RuntimeException {
 
   public GetProfileProxyException() {
     super("Failed to get profile proxy");

rxbluetooth/src/main/java/com/github/ivbaranov/rxbluetooth/predicates/BtPredicate.java

@@ -22,8 +22,7 @@
  * Class that contains predicates for filtering bluetooth states, actions and other indicators
  * received from {@link BroadcastReceiver}.
  */
-public class BtPredicate {
-
+public final class BtPredicate {
   /**
    * Function, which checks if current object equals single argument or one of many
    * arguments. It can be used inside filter(...) method from RxJava.
@@ -43,4 +42,8 @@ public static <T> Predicate<T> in(final T... arguments) {
       }
     };
   }
+
+  private BtPredicate() {
+    throw new AssertionError("No instances.");
+  }
 }