39 lines
1.2 KiB
Java
39 lines
1.2 KiB
Java
/*
|
|
* (C) Copyright 2016 Hewlett Packard Enterprise Development Company LP.
|
|
*
|
|
* 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 monasca.thresh.utils;
|
|
|
|
import org.apache.storm.tuple.Fields;
|
|
|
|
import java.util.List;
|
|
|
|
/**
|
|
* Deserializes tuples. Similar to a Scheme, but allows for multiple records per
|
|
* {@link #deserialize(byte[])} call.
|
|
*/
|
|
public interface TupleDeserializer {
|
|
/**
|
|
* Returns a list of deserialized tuples, consisting of a list of tuples each with a list of
|
|
* fields, for the {@code tuple}, else null if the {@code tuple} cannot be deserialized.
|
|
*/
|
|
List<List<?>> deserialize(byte[] tuple);
|
|
|
|
/**
|
|
* Returns the output fields.
|
|
*/
|
|
Fields getOutputFields();
|
|
}
|