/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 storm.trident.state;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import org.json.simple.JSONValue;
public class JSONOpaqueSerializer implements Serializer<OpaqueValue> {
@Override
public byte[] serialize(OpaqueValue obj) {
List toSer = new ArrayList(3);
toSer.add(obj.currTxid);
toSer.add(obj.curr);
toSer.add(obj.prev);
try {
return JSONValue.toJSONString(toSer).getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
@Override
public OpaqueValue deserialize(byte[] b) {
try {
String s = new String(b, "UTF-8");
List deser = (List) JSONValue.parse(s);
return new OpaqueValue((Long) deser.get(0), deser.get(1), deser.get(2));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
}