/**
* Copyright 2013 Oak Ridge National Laboratory
* Author: James Horey <horeyjl@ornl.gov>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 gov.ornl.keva.core;
import java.nio.ByteBuffer;
/**
* Serialize open options.
*/
public class OptionsSerializer {
/**
* Serialize the options.
*
* @return Serialized options
*/
public static byte[] getBytes(WriteOptions options) {
if(options.branch != null) {
byte[] branchBuf = options.branch.getBytes();
int size = (Integer.SIZE / 8); // Length of branch name.
size += branchBuf.length;
ByteBuffer buffer = ByteBuffer.allocate(size);
buffer.putInt(branchBuf.length);
buffer.put(branchBuf);
buffer.array();
}
return null;
}
/**
* Initialize from the byte array.
*
* @param data Serialized options
*/
public static WriteOptions writeOptionsFromBytes(byte[] data) {
WriteOptions options = new WriteOptions();
ByteBuffer buf = ByteBuffer.wrap(data);
int branchSize = buf.getInt();
byte[] branchBuf = new byte[branchSize];
buf.get(branchBuf);
options.branch = new String(branchBuf);
return options;
}
}