diff --git a/external/storm-kafka/src/jvm/org/apache/storm/kafka/ByteKeyValueScheme.java b/external/storm-kafka/src/jvm/org/apache/storm/kafka/ByteKeyValueScheme.java new file mode 100644 index 00000000000..cd41cdda1ad --- /dev/null +++ b/external/storm-kafka/src/jvm/org/apache/storm/kafka/ByteKeyValueScheme.java @@ -0,0 +1,50 @@ +/** + * 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 org.apache.storm.kafka; + + +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.List; +import org.apache.storm.kafka.bolt.mapper.FieldNameBasedTupleToKafkaMapper; +import org.apache.storm.spout.RawScheme; +import org.apache.storm.tuple.Fields; + +public class ByteKeyValueScheme implements KeyValueScheme { + + private final RawScheme rawScheme = new RawScheme(); + + @Override + public List deserializeKeyAndValue(ByteBuffer key, ByteBuffer value) { + final ArrayList result = new ArrayList<>(2); + result.addAll(rawScheme.deserialize(key)); + result.addAll(rawScheme.deserialize(value)); + return result; + } + + @Override + public List deserialize(ByteBuffer value) { + return rawScheme.deserialize(value); + } + + + @Override + public Fields getOutputFields() { + return new Fields(FieldNameBasedTupleToKafkaMapper.BOLT_KEY, FieldNameBasedTupleToKafkaMapper.BOLT_MESSAGE); + } +}