Fixed checkstyle issues
diff --git a/core/api/src/main/java/org/onlab/onos/store/service/BatchWriteResult.java b/core/api/src/main/java/org/onlab/onos/store/service/BatchWriteResult.java
index 22c653c..4e1848b 100644
--- a/core/api/src/main/java/org/onlab/onos/store/service/BatchWriteResult.java
+++ b/core/api/src/main/java/org/onlab/onos/store/service/BatchWriteResult.java
@@ -3,28 +3,43 @@
 import java.util.Collections;
 import java.util.List;
 
+/**
+ * Result of a batch write operation.
+ */
 public class BatchWriteResult {
-	
-	private final List<WriteResult> writeResults;
-	
-	public BatchWriteResult(List<WriteResult> writeResults) {
-		this.writeResults = Collections.unmodifiableList(writeResults);
-	}
-	
-	public boolean isSuccessful() {
-		for (WriteResult result : writeResults) {
-			if (result.status() != WriteStatus.OK) {
-				return false;
-			}
-		}
-		return true;
-	}
-	
-	public List<WriteResult> getAsList() {
-		return this.writeResults;
-	}
-	
-	public int batchSize() {
-		return writeResults.size();
-	}
-}
\ No newline at end of file
+
+    private final List<WriteResult> writeResults;
+
+    public BatchWriteResult(List<WriteResult> writeResults) {
+        this.writeResults = Collections.unmodifiableList(writeResults);
+    }
+
+    /**
+     * Returns true if this batch write operation was successful.
+     * @return true if successful, false otherwise.
+     */
+    public boolean isSuccessful() {
+        for (WriteResult result : writeResults) {
+            if (result.status() != WriteStatus.OK) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Returns the results as a List.
+     * @return list of batch results.
+     */
+    public List<WriteResult> getAsList() {
+        return this.writeResults;
+    }
+
+    /**
+     * Returns the size of this batch.
+     * @return batch size.
+     */
+    public int batchSize() {
+        return writeResults.size();
+    }
+}