removing unused members

Signed-off-by: Sooraj Sinha <[email protected]>

Author: soosinha

server/src/main/java/org/opensearch/common/remote/RemoteWritableEntityStore.java

@@ -8,6 +8,7 @@
 
 package org.opensearch.common.remote;
 
+import org.opensearch.common.annotation.ExperimentalApi;
 import org.opensearch.core.action.ActionListener;
 
 import java.io.IOException;
@@ -18,6 +19,7 @@
  * @param <T> The object type which can be uploaded to or downloaded from remote storage.
  * @param <U> The wrapper entity which provides methods for serializing/deserializing entity T.
  */
+@ExperimentalApi
 public interface RemoteWritableEntityStore<T, U extends RemoteWriteableEntity<T>> {
 
     public void writeAsync(U entity, ActionListener<Void> listener);

server/src/main/java/org/opensearch/common/remote/RemoteWriteableEntity.java

@@ -8,6 +8,8 @@
 
 package org.opensearch.common.remote;
 
+import org.opensearch.common.annotation.ExperimentalApi;
+
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -17,6 +19,7 @@
  *
  * @param <T> The object type which can be uploaded to or downloaded from remote storage.
  */
+@ExperimentalApi
 public interface RemoteWriteableEntity<T> {
     /**
      * @return An InputStream created by serializing the entity T

server/src/main/java/org/opensearch/gateway/remote/model/RemoteClusterMetadataManifest.java

@@ -36,6 +36,8 @@ public class RemoteClusterMetadataManifest extends AbstractRemoteWritableBlobEnt
 
     public static final String METADATA_MANIFEST_NAME_FORMAT = "%s";
     public static final int MANIFEST_CURRENT_CODEC_VERSION = ClusterMetadataManifest.CODEC_V3;
+    public static final String COMMITTED = "C";
+    public static final String PUBLISHED = "P";
 
     /**
      * Manifest format compatible with older codec v0, where codec version was missing.
@@ -93,11 +95,10 @@ public String generateBlobFileName() {
             MANIFEST,
             RemoteStoreUtils.invertLong(clusterMetadataManifest.getClusterTerm()),
             RemoteStoreUtils.invertLong(clusterMetadataManifest.getStateVersion()),
-            (clusterMetadataManifest.isCommitted() ? "C" : "P"), // C for committed and P for published
+            (clusterMetadataManifest.isCommitted() ? COMMITTED : PUBLISHED),
             RemoteStoreUtils.invertLong(System.currentTimeMillis()),
-            String.valueOf(clusterMetadataManifest.getCodecVersion()) // Keep the codec version at last place only, during read we reads
-                                                                      // last place to
-            // determine codec version.
+            String.valueOf(clusterMetadataManifest.getCodecVersion())
+            // Keep the codec version at last place only, during we read last place to determine codec version.
         );
         this.blobFileName = blobFileName;
         return blobFileName;

server/src/main/java/org/opensearch/gateway/remote/model/RemoteGlobalMetadata.java

@@ -22,6 +22,9 @@
 
 import static org.opensearch.gateway.remote.RemoteClusterStateUtils.METADATA_NAME_FORMAT;
 
+/**
+ * Wrapper class for uploading/downloading global metadata ({@link Metadata}) to/from remote blob store
+ */
 public class RemoteGlobalMetadata extends AbstractRemoteWritableBlobEntity<Metadata> {
 
     public static final ChecksumBlobStoreFormat<Metadata> GLOBAL_METADATA_FORMAT = new ChecksumBlobStoreFormat<>(
@@ -30,9 +33,6 @@ public class RemoteGlobalMetadata extends AbstractRemoteWritableBlobEntity<Metad
         Metadata::fromXContent
     );
 
-    private Metadata metadata;
-    private final String blobName;
-
     public RemoteGlobalMetadata(
         final String blobName,
         final String clusterUUID,

server/src/test/java/org/opensearch/gateway/remote/model/RemoteIndexMetadataTests.java

@@ -160,7 +160,7 @@ public void testGetUploadedMetadata() throws IOException {
         try (InputStream inputStream = remoteObjectForUpload.serialize()) {
             remoteObjectForUpload.setFullBlobName(new BlobPath().add(TEST_BLOB_PATH));
             UploadedMetadata uploadedMetadata = remoteObjectForUpload.getUploadedMetadata();
-            assertThat(uploadedMetadata.getUploadedFilename(), is(remoteObjectForUpload.getFullBlobName()));
+            assertThat(uploadedMetadata.getUploadedFilename(), is(remoteObjectForUpload.getBlobFileName()));
         }
     }