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[FLINK-36082][pipeline-connector][kafka] Fix lamda NotSerializableExc…
…eption in KafkaDataSink This closes apache#3549
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...-kafka/src/main/java/org/apache/flink/cdc/connectors/kafka/sink/KafkaMetaDataApplier.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.cdc.connectors.kafka.sink; | ||
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| import org.apache.flink.cdc.common.event.SchemaChangeEvent; | ||
| import org.apache.flink.cdc.common.event.SchemaChangeEventType; | ||
| import org.apache.flink.cdc.common.event.SchemaChangeEventTypeFamily; | ||
| import org.apache.flink.cdc.common.sink.MetadataApplier; | ||
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| import java.util.Arrays; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
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| /** Supports {@link KafkaDataSink} to schema evolution. */ | ||
| public class KafkaMetaDataApplier implements MetadataApplier { | ||
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| private Set<SchemaChangeEventType> enabledEventTypes = | ||
| Arrays.stream(SchemaChangeEventTypeFamily.ALL).collect(Collectors.toSet()); | ||
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| @Override | ||
| public MetadataApplier setAcceptedSchemaEvolutionTypes( | ||
| Set<SchemaChangeEventType> schemaEvolutionTypes) { | ||
| enabledEventTypes = schemaEvolutionTypes; | ||
| return this; | ||
| } | ||
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| @Override | ||
| public boolean acceptsSchemaEvolutionType(SchemaChangeEventType schemaChangeEventType) { | ||
| return enabledEventTypes.contains(schemaChangeEventType); | ||
| } | ||
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| @Override | ||
| public Set<SchemaChangeEventType> getSupportedSchemaEvolutionTypes() { | ||
| // All schema change events are supported. | ||
| return Arrays.stream(SchemaChangeEventTypeFamily.ALL).collect(Collectors.toSet()); | ||
| } | ||
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| @Override | ||
| public void applySchemaChange(SchemaChangeEvent schemaChangeEvent) { | ||
| // simply do nothing here because Kafka do not maintain the schemas. | ||
| } | ||
| } |