Removed init() method from StoreFileTrakcerBase.

Added check in FileBasedStoreFileTracker constructor to ignore null StoreContext
or StoreContext instances that don't have store dir info.

Author: wchevreuil

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/DefaultStoreFileTracker.java

@@ -38,11 +38,6 @@ public DefaultStoreFileTracker(Configuration conf, boolean isPrimaryReplica, Sto
     super(conf, isPrimaryReplica, ctx);
   }
 
-  @Override
-  void init() {
-    // NOOP
-  }
-
   @Override
   public List<StoreFileInfo> load() throws IOException {
     List<StoreFileInfo> files =

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/FileBasedStoreFileTracker.java

@@ -56,11 +56,9 @@ class FileBasedStoreFileTracker extends StoreFileTrackerBase {
 
   public FileBasedStoreFileTracker(Configuration conf, boolean isPrimaryReplica, StoreContext ctx) {
     super(conf, isPrimaryReplica, ctx);
-  }
-
-  @Override
-  void init() {
-    backedFile = new StoreFileListFile(ctx);
+    if (ctx != null && ctx.getFamilyStoreDirectoryPath() != null) {
+      backedFile = new StoreFileListFile(ctx);
+    }
   }
 
   @Override

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/MigrationStoreFileTracker.java

@@ -47,14 +47,8 @@ public MigrationStoreFileTracker(Configuration conf, boolean isPrimaryReplica, S
     super(conf, isPrimaryReplica, ctx);
     this.src = StoreFileTrackerFactory.createForMigration(conf, SRC_IMPL, isPrimaryReplica, ctx);
     this.dst = StoreFileTrackerFactory.createForMigration(conf, DST_IMPL, isPrimaryReplica, ctx);
-  }
-
-  @Override
-  void init() {
     Preconditions.checkArgument(!src.getClass().equals(dst.getClass()),
       "src and dst is the same: %s", src.getClass());
-    this.src.init();
-    this.dst.init();
   }
 
   @Override

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/StoreFileTrackerBase.java

@@ -67,8 +67,6 @@ protected StoreFileTrackerBase(Configuration conf, boolean isPrimaryReplica, Sto
     this.ctx = ctx;
   }
 
-  abstract void init();
-
   @Override
   public final void add(Collection<StoreFileInfo> newFiles) throws IOException {
     if (isPrimaryReplica) {

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/StoreFileTrackerFactory.java

@@ -110,7 +110,6 @@ private static StoreFileTracker getInstance(Configuration conf, boolean isPrimar
   public static StoreFileTracker create(Configuration conf, boolean isPrimaryReplica,
     StoreContext ctx) {
     StoreFileTracker trackerImpl = getInstance(conf, isPrimaryReplica, ctx);
-    ((StoreFileTrackerBase)trackerImpl).init();
     return trackerImpl;
   }