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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.druid.indexing.kafka;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import org.apache.druid.data.input.InputFormat;
import org.apache.druid.indexing.kafka.supervisor.KafkaSupervisorIOConfig;
import org.apache.druid.indexing.seekablestream.SeekableStreamEndSequenceNumbers;
import org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskIOConfig;
import org.apache.druid.indexing.seekablestream.SeekableStreamStartSequenceNumbers;
import org.joda.time.DateTime;
import javax.annotation.Nullable;
import java.util.Map;
public class KafkaIndexTaskIOConfig extends SeekableStreamIndexTaskIOConfig
{
private final Map consumerProperties;
private final long pollTimeout;
@JsonCreator
public KafkaIndexTaskIOConfig(
@JsonProperty("taskGroupId") @Nullable Integer taskGroupId, // can be null for backward compabitility
@JsonProperty("baseSequenceName") String baseSequenceName,
// startPartitions and endPartitions exist to be able to read old ioConfigs in metadata store
@JsonProperty("startPartitions") @Nullable
@Deprecated SeekableStreamEndSequenceNumbers startPartitions,
@JsonProperty("endPartitions") @Nullable
@Deprecated SeekableStreamEndSequenceNumbers endPartitions,
// startSequenceNumbers and endSequenceNumbers must be set for new versions
@JsonProperty("startSequenceNumbers")
@Nullable SeekableStreamStartSequenceNumbers startSequenceNumbers,
@JsonProperty("endSequenceNumbers")
@Nullable SeekableStreamEndSequenceNumbers endSequenceNumbers,
@JsonProperty("consumerProperties") Map consumerProperties,
@JsonProperty("pollTimeout") Long pollTimeout,
@JsonProperty("useTransaction") Boolean useTransaction,
@JsonProperty("minimumMessageTime") DateTime minimumMessageTime,
@JsonProperty("maximumMessageTime") DateTime maximumMessageTime,
@JsonProperty("inputFormat") @Nullable InputFormat inputFormat
)
{
super(
taskGroupId,
baseSequenceName,
startSequenceNumbers == null
? Preconditions.checkNotNull(startPartitions, "startPartitions").asStartPartitions(true)
: startSequenceNumbers,
endSequenceNumbers == null ? endPartitions : endSequenceNumbers,
useTransaction,
minimumMessageTime,
maximumMessageTime,
inputFormat
);
this.consumerProperties = Preconditions.checkNotNull(consumerProperties, "consumerProperties");
this.pollTimeout = pollTimeout != null ? pollTimeout : KafkaSupervisorIOConfig.DEFAULT_POLL_TIMEOUT_MILLIS;
final SeekableStreamEndSequenceNumbers myEndSequenceNumbers = getEndSequenceNumbers();
for (int partition : myEndSequenceNumbers.getPartitionSequenceNumberMap().keySet()) {
Preconditions.checkArgument(
myEndSequenceNumbers.getPartitionSequenceNumberMap()
.get(partition)
.compareTo(getStartSequenceNumbers().getPartitionSequenceNumberMap().get(partition)) >= 0,
"end offset must be >= start offset for partition[%s]",
partition
);
}
}
public KafkaIndexTaskIOConfig(
int taskGroupId,
String baseSequenceName,
SeekableStreamStartSequenceNumbers startSequenceNumbers,
SeekableStreamEndSequenceNumbers endSequenceNumbers,
Map consumerProperties,
Long pollTimeout,
Boolean useTransaction,
DateTime minimumMessageTime,
DateTime maximumMessageTime,
InputFormat inputFormat
)
{
this(
taskGroupId,
baseSequenceName,
null,
null,
startSequenceNumbers,
endSequenceNumbers,
consumerProperties,
pollTimeout,
useTransaction,
minimumMessageTime,
maximumMessageTime,
inputFormat
);
}
/**
* This method is for compatibilty so that newer version of KafkaIndexTaskIOConfig can be read by
* old version of Druid. Note that this method returns end sequence numbers instead of start. This is because
* {@link SeekableStreamStartSequenceNumbers} didn't exist before.
*/
@JsonProperty
@Deprecated
public SeekableStreamEndSequenceNumbers getStartPartitions()
{
// Converting to start sequence numbers. This is allowed for Kafka because the start offset is always inclusive.
final SeekableStreamStartSequenceNumbers startSequenceNumbers = getStartSequenceNumbers();
return new SeekableStreamEndSequenceNumbers<>(
startSequenceNumbers.getStream(),
startSequenceNumbers.getPartitionSequenceNumberMap()
);
}
/**
* This method is for compatibilty so that newer version of KafkaIndexTaskIOConfig can be read by
* old version of Druid.
*/
@JsonProperty
@Deprecated
public SeekableStreamEndSequenceNumbers getEndPartitions()
{
return getEndSequenceNumbers();
}
@JsonProperty
public Map getConsumerProperties()
{
return consumerProperties;
}
@JsonProperty
public long getPollTimeout()
{
return pollTimeout;
}
@Override
public String toString()
{
return "KafkaIndexTaskIOConfig{" +
"taskGroupId=" + getTaskGroupId() +
", baseSequenceName='" + getBaseSequenceName() + '\'' +
", startSequenceNumbers=" + getStartSequenceNumbers() +
", endSequenceNumbers=" + getEndSequenceNumbers() +
", consumerProperties=" + consumerProperties +
", pollTimeout=" + pollTimeout +
", useTransaction=" + isUseTransaction() +
", minimumMessageTime=" + getMinimumMessageTime() +
", maximumMessageTime=" + getMaximumMessageTime() +
'}';
}
}
