/**
 * Copyright 2015 Palantir Technologies
 *
 * Licensed under the BSD-3 License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://opensource.org/licenses/BSD-3-Clause
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.palantir.atlasdb.rocksdb;

import java.io.File;
import java.util.Map;

import org.immutables.value.Value;

import com.fasterxml.jackson.annotation.JsonTypeName;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.google.common.base.Preconditions;
import com.palantir.atlasdb.keyvalue.rocksdb.impl.WriteOpts;
import com.palantir.atlasdb.spi.KeyValueServiceConfig;

@JsonDeserialize(as = ImmutableRocksDbKeyValueServiceConfig.class)
@JsonSerialize(as = ImmutableRocksDbKeyValueServiceConfig.class)
@JsonTypeName(RocksDbKeyValueServiceConfig.TYPE)
@Value.Immutable
public abstract class RocksDbKeyValueServiceConfig implements KeyValueServiceConfig {

    public static final String TYPE = "rocksdb";

    public abstract File dataDir();

    public abstract Map<String, String> dbOptions();
    public abstract Map<String, String> cfOptions();
    public abstract WriteOpts writeOptions();

    @Value.Check
    protected final void check() {
        Preconditions.checkArgument(dataDir().exists() || dataDir().mkdirs(),
                "dataDir '%s' does not exist and cannot be created.", dataDir());
    }

    @Override
    public final String type() {
        return TYPE;
    }

}

@@ -930,16 +930,86 @@
 itions;%0A
+import com.palantir.atlasdb.keyvalue.rocksdb.impl.ImmutableWriteOpts;%0A
 import c
@@ -1586,32 +1586,52 @@
 ng%3E cfOptions();
+%0A%0A    @Value.Default
 %0A    public abst
@@ -1626,25 +1626,16 @@
  public 
-abstract 
 WriteOpt
@@ -1642,33 +1642,93 @@
 s writeOptions()
-;
+ %7B%0A        return ImmutableWriteOpts.builder().build();%0A    %7D
 %0A%0A    @Value.Che

write opts shouldn't be required in rocksdb config