modules/kafka-ext/src/main/java/org/apache/ignite/stream/kafka/connect/serialization/CacheEventDeserializer.java

/*
 * 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.ignite.stream.kafka.connect.serialization;

import java.util.Map;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.events.CacheEvent;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.marshaller.Marshaller;
import org.apache.ignite.marshaller.jdk.JdkMarshaller;
import org.apache.kafka.common.errors.SerializationException;
import org.apache.kafka.common.serialization.Deserializer;

/**
 * Deserializer based on {@link JdkMarshaller}.
 */
public class CacheEventDeserializer implements Deserializer<CacheEvent> {
    /** Marshaller. */
    private static final Marshaller marsh = new JdkMarshaller();

    /** {@inheritDoc} */
    @Override public void configure(Map<String, ?> map, boolean b) {
        // No-op.
    }

    /** {@inheritDoc} */
    @Override public CacheEvent deserialize(String topic, byte[] bytes) {
        try {
            return U.unmarshal(marsh, bytes, getClass().getClassLoader());
        }
        catch (IgniteCheckedException e) {
            throw new SerializationException("Failed to deserialize cache event!", e);
        }
    }

    /** {@inheritDoc} */
    @Override public void close() {
        // No-op.
    }
}