added @OverRide to RetryableInputStream

Author: frsyuki

src/main/java/org/embulk/input/s3/RetryExecutor.java

@@ -3,7 +3,8 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 
-public class RetryExecutor {
+public class RetryExecutor
+{
     public static RetryExecutor retryExecutor()
     {
         // TODO default configuration

src/main/java/org/embulk/input/s3/RetryableInputStream.java

@@ -2,7 +2,6 @@
 
 import java.io.InputStream;
 import java.io.IOException;
-import java.io.FilterInputStream;
 
 public class RetryableInputStream
         extends InputStream
@@ -39,6 +38,7 @@ private void reopen(Exception exception) throws IOException
         in = opener.open(offset, exception);
     }
 
+    @Override
     public int read() throws IOException
     {
         while (true) {
@@ -52,6 +52,7 @@ public int read() throws IOException
         }
     }
 
+    @Override
     public int read(byte[] b) throws IOException
     {
         while (true) {
@@ -65,6 +66,7 @@ public int read(byte[] b) throws IOException
         }
     }
 
+    @Override
     public int read(byte[] b, int off, int len) throws IOException
     {
         while (true) {
@@ -78,6 +80,7 @@ public int read(byte[] b, int off, int len) throws IOException
         }
     }
 
+    @Override
     public long skip(long n) throws IOException
     {
         while (true) {