[RocksJava] Integrated Review comments from yhchiang in D28023

java/org/rocksdb/RocksDB.java

@@ -130,14 +130,14 @@ public class RocksDB extends RocksObject {
    *     {@link RocksDB} can not be opened.
    *
    * @throws org.rocksdb.RocksDBException
-   * @see Options#setCreateIfMissing(boolean)
+   * @see DBOptions#setCreateIfMissing(boolean)
    */
   public static RocksDB open(String path,
       List<ColumnFamilyDescriptor> columnFamilyDescriptors,
       List<ColumnFamilyHandle> columnFamilyHandles) throws RocksDBException {
     // This allows to use the rocksjni default Options instead of
     // the c++ one.
-    Options options = new Options();
+    DBOptions options = new DBOptions();
     return open(options, path, columnFamilyDescriptors, columnFamilyHandles);
   }
 
@@ -197,7 +197,7 @@ public class RocksDB extends RocksObject {
    * <p>
    * ColumnFamily handles are disposed when the RocksDB instance is disposed.</p>
    *
-   * @param options {@link org.rocksdb.Options} instance.
+   * @param options {@link org.rocksdb.DBOptions} instance.
    * @param path the path to the rocksdb.
    * @param columnFamilyDescriptors list of column family descriptors
    * @param columnFamilyHandles will be filled with ColumnFamilyHandle instances
@@ -206,9 +206,9 @@ public class RocksDB extends RocksObject {
    *     {@link RocksDB} can not be opened.
    *
    * @throws org.rocksdb.RocksDBException
-   * @see Options#setCreateIfMissing(boolean)
+   * @see DBOptions#setCreateIfMissing(boolean)
    */
-  public static RocksDB open(Options options, String path,
+  public static RocksDB open(DBOptions options, String path,
       List<ColumnFamilyDescriptor> columnFamilyDescriptors,
       List<ColumnFamilyHandle> columnFamilyHandles)
       throws RocksDBException {
@@ -258,7 +258,7 @@ public class RocksDB extends RocksObject {
       List<ColumnFamilyHandle> columnFamilyHandles) throws RocksDBException {
     // This allows to use the rocksjni default Options instead of
     // the c++ one.
-    Options options = new Options();
+    DBOptions options = new DBOptions();
     return openReadOnly(options, path, columnFamilyDescriptors,
         columnFamilyHandles);
   }
@@ -301,7 +301,7 @@ public class RocksDB extends RocksObject {
    * options instance have been closed. If user doesn't call options dispose
    * explicitly,then this options instance will be GC'd automatically.</p>
    *
-   * @param options {@link Options} instance.
+   * @param options {@link DBOptions} instance.
    * @param path the path to the RocksDB.
    * @param columnFamilyDescriptors list of column family descriptors
    * @param columnFamilyHandles will be filled with ColumnFamilyHandle instances
@@ -310,7 +310,7 @@ public class RocksDB extends RocksObject {
    *     {@link RocksDB} can not be opened.
    * @throws RocksDBException
    */
-  public static RocksDB openReadOnly(Options options, String path,
+  public static RocksDB openReadOnly(DBOptions options, String path,
       List<ColumnFamilyDescriptor> columnFamilyDescriptors,
       List<ColumnFamilyHandle> columnFamilyHandles)
       throws RocksDBException {
@@ -342,7 +342,7 @@ public class RocksDB extends RocksObject {
     return RocksDB.listColumnFamilies(options.nativeHandle_, path);
   }
 
-  private void storeOptionsInstance(Options options) {
+  private void storeOptionsInstance(DBOptionsInterface options) {
     options_ = options;
   }
 
@@ -1247,5 +1247,5 @@ public class RocksDB extends RocksObject {
   private native void flush(long handle, long flushOptHandle,
       long cfHandle) throws RocksDBException;
 
-  protected Options options_;
+  protected DBOptionsInterface options_;
 }

java/org/rocksdb/test/ColumnFamilyTest.java

@@ -22,6 +22,10 @@ public class ColumnFamilyTest {
     RocksDB db = null;
     Options options = new Options();
     options.setCreateIfMissing(true);
+
+    DBOptions dbOptions = new DBOptions();
+    dbOptions.setCreateIfMissing(true);
+
     try {
         db = RocksDB.open(options, db_path);
     } catch (RocksDBException e) {
@@ -76,7 +80,7 @@ public class ColumnFamilyTest {
     cfNames.add(new ColumnFamilyDescriptor("new_cf"));
 
     try {
-      db = RocksDB.open(options, db_path, cfNames, columnFamilyHandleList);
+      db = RocksDB.open(dbOptions, db_path, cfNames, columnFamilyHandleList);
       assert(columnFamilyHandleList.size() == 2);
       db.put("dfkey1".getBytes(), "dfvalue".getBytes());
       db.put(columnFamilyHandleList.get(0), "dfkey2".getBytes(),

java/org/rocksdb/test/KeyMayExistTest.java

@@ -17,7 +17,7 @@ public class KeyMayExistTest {
 
   public static void main(String[] args){
     RocksDB db;
-    Options options = new Options();
+    DBOptions options = new DBOptions();
     options.setCreateIfMissing(true)
         .setCreateMissingColumnFamilies(true);
     try {

java/org/rocksdb/test/MergeTest.java

@@ -7,7 +7,6 @@ package org.rocksdb.test;
 
 import java.util.List;
 import java.util.ArrayList;
-import java.util.Collections;
 import org.rocksdb.*;
 
 public class MergeTest {
@@ -41,10 +40,9 @@ public class MergeTest {
 
   public static void testCFStringOption()
       throws InterruptedException, RocksDBException {
-    Options opt = new Options();
+    DBOptions opt = new DBOptions();
     opt.setCreateIfMissing(true);
     opt.setCreateMissingColumnFamilies(true);
-    opt.setMergeOperatorName("stringappend");
 
     List<ColumnFamilyDescriptor> cfDescr =
         new ArrayList<ColumnFamilyDescriptor>();
@@ -102,11 +100,10 @@ public class MergeTest {
 
   public static void testCFOperatorOption()
       throws InterruptedException, RocksDBException {
-    Options opt = new Options();
+    DBOptions opt = new DBOptions();
     opt.setCreateIfMissing(true);
     opt.setCreateMissingColumnFamilies(true);
     StringAppendOperator stringAppendOperator = new StringAppendOperator();
-    opt.setMergeOperator(stringAppendOperator);
 
     List<ColumnFamilyDescriptor> cfDescr =
         new ArrayList<ColumnFamilyDescriptor>();