bryanck commented on code in PR #8701: URL: https://github.com/apache/iceberg/pull/8701#discussion_r1375054000
########## kafka-connect/kafka-connect-events/src/main/java/org/apache/iceberg/connect/events/Event.java: ########## @@ -0,0 +1,169 @@ +/* + * 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.iceberg.connect.events; + +import java.io.IOException; +import java.io.UncheckedIOException; +import java.util.UUID; +import org.apache.avro.Schema; +import org.apache.avro.SchemaBuilder; +import org.apache.iceberg.avro.AvroEncoderUtil; +import org.apache.iceberg.avro.AvroSchemaUtil; +import org.apache.iceberg.data.avro.DecoderResolver; + +/** + * Class representing all events produced to the control topic. Different event types have different + * payloads. + */ +public class Event implements Element { + + private UUID id; + private EventType type; + private Long timestamp; + private String groupId; + private Payload payload; + private final Schema avroSchema; + + public static byte[] encode(Event event) { + try { + return AvroEncoderUtil.encode(event, event.getSchema()); + } catch (IOException e) { + throw new UncheckedIOException(e); + } + } + + public static Event decode(byte[] bytes) { + try { + Event event = AvroEncoderUtil.decode(bytes); + // clear the cache to avoid memory leak + DecoderResolver.clearCache(); + return event; + } catch (IOException e) { + throw new UncheckedIOException(e); + } + } + + // Used by Avro reflection to instantiate this class when reading events + public Event(Schema avroSchema) { + this.avroSchema = avroSchema; + } + + public Event(String groupId, EventType type, Payload payload) { + this.id = UUID.randomUUID(); + this.type = type; + this.timestamp = System.currentTimeMillis(); + this.groupId = groupId; + this.payload = payload; + + this.avroSchema = + SchemaBuilder.builder() + .record(getClass().getName()) + .fields() + .name("id") + .prop(AvroSchemaUtil.FIELD_ID_PROP, 1500) + .type(UUID_SCHEMA) + .noDefault() + .name("type") + .prop(AvroSchemaUtil.FIELD_ID_PROP, 1501) + .type() + .intType() + .noDefault() + .name("timestamp") + .prop(AvroSchemaUtil.FIELD_ID_PROP, 1502) + .type() + .longType() + .noDefault() + .name("payload") + .prop(AvroSchemaUtil.FIELD_ID_PROP, 1503) + .type(payload.getSchema()) + .noDefault() + .name("groupId") + .prop(AvroSchemaUtil.FIELD_ID_PROP, 1504) + .type() + .stringType() + .noDefault() + .endRecord(); + } + + public UUID id() { + return id; + } + + public EventType type() { + return type; + } + + public Long timestamp() { + return timestamp; + } + + public Payload payload() { + return payload; + } + + public String groupId() { + return groupId; + } + + @Override + public Schema getSchema() { Review Comment: I left this one in as it is an override -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
