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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.
*/
package org.apache.camel.component.kafka;
import org.apache.camel.spi.Metadata;
public final class KafkaConstants {
@Metadata(label = "producer", description = "Explicitly specify the partition", javaType = "Integer")
public static final String PARTITION_KEY = "kafka.PARTITION_KEY";
@Metadata(label = "consumer", description = "The partition where the message was stored", javaType = "Integer")
public static final String PARTITION = "kafka.PARTITION";
@Metadata(description = "*Producer:* The key of the message in order to ensure that all related message goes in the same partition. "
+
"*Consumer:* The key of the message if configured",
javaType = "Object", required = true)
public static final String KEY = "kafka.KEY";
@Metadata(label = "consumer", description = "The topic from where the message originated", javaType = "String")
public static final String TOPIC = "kafka.TOPIC";
@Metadata(label = "producer",
description = "The topic to which send the message (override and takes precedence), and the header is not preserved.",
javaType = "String")
public static final String OVERRIDE_TOPIC = "kafka.OVERRIDE_TOPIC";
@Metadata(label = "consumer", description = "The offset of the message", javaType = "Long")
public static final String OFFSET = "kafka.OFFSET";
@Metadata(label = "consumer", description = "The record headers", javaType = "org.apache.kafka.common.header.Headers")
public static final String HEADERS = "kafka.HEADERS";
@Metadata(label = "consumer",
description = "Whether or not it's the last record before commit (only available if `autoCommitEnable` endpoint parameter is `false`)",
javaType = "Boolean")
public static final String LAST_RECORD_BEFORE_COMMIT = "kafka.LAST_RECORD_BEFORE_COMMIT";
@Metadata(label = "consumer", description = "Indicates the last record within the current poll request " +
"(only available if `autoCommitEnable` endpoint parameter is `false` or `allowManualCommit` is `true`)",
javaType = "Boolean")
public static final String LAST_POLL_RECORD = "kafka.LAST_POLL_RECORD";
@Metadata(label = "consumer", description = "The timestamp of the message", javaType = "Long")
public static final String TIMESTAMP = "kafka.TIMESTAMP";
@Metadata(label = "producer", description = "The ProducerRecord also has an associated timestamp. " +
"If the user did provide a timestamp, the producer will stamp the record with the provided timestamp and the header is not preserved.",
javaType = "Long")
public static final String OVERRIDE_TIMESTAMP = "kafka.OVERRIDE_TIMESTAMP";
@Deprecated
public static final String KAFKA_DEFAULT_ENCODER = "kafka.serializer.DefaultEncoder";
@Deprecated
public static final String KAFKA_STRING_ENCODER = "kafka.serializer.StringEncoder";
public static final String KAFKA_DEFAULT_SERIALIZER = "org.apache.kafka.common.serialization.StringSerializer";
public static final String KAFKA_DEFAULT_DESERIALIZER = "org.apache.kafka.common.serialization.StringDeserializer";
public static final String PARTITIONER_RANGE_ASSIGNOR = "org.apache.kafka.clients.consumer.RangeAssignor";
@Metadata(label = "producer",
description = "The metadata (only configured if `recordMetadata` endpoint parameter is `true`)",
javaType = "List")
public static final String KAFKA_RECORDMETA = "org.apache.kafka.clients.producer.RecordMetadata";
@Metadata(label = "consumer", description = "Can be used for forcing manual offset commit when using Kafka consumer.",
javaType = "org.apache.camel.component.kafka.consumer.KafkaManualCommit")
public static final String MANUAL_COMMIT = "CamelKafkaManualCommit";
private KafkaConstants() {
// Utility class
}
}
