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KinesisRecord.java
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KinesisRecord.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.
*/
package org.apache.beam.sdk.io.kinesis2;
import static org.apache.commons.lang.builder.HashCodeBuilder.reflectionHashCode;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.joda.time.Instant;
import software.amazon.kinesis.retrieval.KinesisClientRecord;
import software.amazon.kinesis.retrieval.kpl.ExtendedSequenceNumber;
/** {@link KinesisClientRecord} enhanced with utility methods. */
public class KinesisRecord {
private Instant readTime;
private String streamName;
private String shardId;
private long subSequenceNumber;
private String sequenceNumber;
private Instant approximateArrivalTimestamp;
private ByteBuffer data;
private String partitionKey;
public KinesisRecord(KinesisClientRecord record, String streamName, String shardId) {
this(
record.data(),
record.sequenceNumber(),
record.subSequenceNumber(),
record.partitionKey(),
TimeUtil.toJoda(record.approximateArrivalTimestamp()),
Instant.now(),
streamName,
shardId);
}
public KinesisRecord(
ByteBuffer data,
String sequenceNumber,
long subSequenceNumber,
String partitionKey,
Instant approximateArrivalTimestamp,
Instant readTime,
String streamName,
String shardId) {
this.data = copyData(data);
this.sequenceNumber = sequenceNumber;
this.subSequenceNumber = subSequenceNumber;
this.partitionKey = partitionKey;
this.approximateArrivalTimestamp = approximateArrivalTimestamp;
this.readTime = readTime;
this.streamName = streamName;
this.shardId = shardId;
}
private ByteBuffer copyData(ByteBuffer data) {
data.rewind();
byte[] bytes = new byte[data.remaining()];
data.get(bytes);
return ByteBuffer.wrap(bytes);
}
public ExtendedSequenceNumber getExtendedSequenceNumber() {
return new ExtendedSequenceNumber(getSequenceNumber(), getSubSequenceNumber());
}
/** @return The unique identifier of the record based on its position in the stream. */
public byte[] getUniqueId() {
return getExtendedSequenceNumber().toString().getBytes(StandardCharsets.UTF_8);
}
public Instant getReadTime() {
return readTime;
}
public String getStreamName() {
return streamName;
}
public String getShardId() {
return shardId;
}
public byte[] getDataAsBytes() {
return getData().array();
}
@Override
public boolean equals(Object obj) {
return EqualsBuilder.reflectionEquals(this, obj);
}
@Override
public int hashCode() {
return reflectionHashCode(this);
}
@Override
public String toString() {
return ToStringBuilder.reflectionToString(this);
}
public long getSubSequenceNumber() {
return subSequenceNumber;
}
/** @return The unique identifier of the record within its shard. */
public String getSequenceNumber() {
return sequenceNumber;
}
/** @return The approximate time that the record was inserted into the stream. */
public Instant getApproximateArrivalTimestamp() {
return approximateArrivalTimestamp;
}
/** @return The data blob. */
public ByteBuffer getData() {
return data;
}
public String getPartitionKey() {
return partitionKey;
}
}