Fix some sonar/checkstyle issues

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / persistence / LocalSnapshotStore.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/persistence/LocalSnapshotStore.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/persistence/LocalSnapshotStore.java
index d9b7adc3c966dab83f951b7a50572a79e53af984..e1589ffb899a955be8fdcf26fa70565b249a8ab8 100644 (file)
--- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/persistence/LocalSnapshotStore.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/persistence/LocalSnapshotStore.java
@@ -22,7 +22,6 @@ import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.ObjectInputStream;
@@ -220,7 +219,7 @@ public class LocalSnapshotStore extends SnapshotStore {
 
         LOG.debug("Deleting files: {}", files);
 
-        files.forEach(file -> file.delete());
+        files.forEach(File::delete);
         return null;
     }
 
@@ -229,14 +228,14 @@ public class LocalSnapshotStore extends SnapshotStore {
 
         LOG.debug("Deleting files: {}", files);
 
-        files.forEach(file -> file.delete());
+        files.forEach(File::delete);
         return null;
     }
 
     private Collection<File> getSnapshotFiles(final String persistenceId) {
         String encodedPersistenceId = encode(persistenceId);
 
-        File[] files = snapshotDir.listFiles((FilenameFilter) (dir, name) -> {
+        File[] files = snapshotDir.listFiles((dir, name) -> {
             int persistenceIdEndIndex = name.lastIndexOf('-', name.lastIndexOf('-') - 1);
             return PERSISTENCE_ID_START_INDEX + encodedPersistenceId.length() == persistenceIdEndIndex
                     && name.startsWith(encodedPersistenceId, PERSISTENCE_ID_START_INDEX) && !name.endsWith(".tmp");
@@ -265,7 +264,7 @@ public class LocalSnapshotStore extends SnapshotStore {
     private Collection<SnapshotMetadata> getSnapshotMetadatas(final String persistenceId,
             final SnapshotSelectionCriteria criteria) {
         return getSnapshotFiles(persistenceId).stream().flatMap(file -> toStream(extractMetadata(file)))
-                .filter(md -> criteria.matches(md)).collect(Collectors.toList());
+                .filter(criteria::matches).collect(Collectors.toList());
     }
 
     private static Stream<SnapshotMetadata> toStream(@Nullable final SnapshotMetadata md) {