Class RecordMetadata
- java.lang.Object
-
- org.apache.kafka.clients.producer.RecordMetadata
-
public final class RecordMetadata extends Object
The metadata for a record that has been acknowledged by the server
-
-
Field Summary
Fields Modifier and Type Field Description static int
UNKNOWN_PARTITION
Partition value for record without partition assigned
-
Constructor Summary
Constructors Constructor Description RecordMetadata(TopicPartition topicPartition, long baseOffset, int batchIndex, long timestamp, int serializedKeySize, int serializedValueSize)
Creates a new instance with the provided parameters.RecordMetadata(TopicPartition topicPartition, long baseOffset, long batchIndex, long timestamp, Long checksum, int serializedKeySize, int serializedValueSize)
Deprecated.use constructor without `checksum` parameter.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
hasOffset()
Indicates whether the record metadata includes the offset.boolean
hasTimestamp()
Indicates whether the record metadata includes the timestamp.long
offset()
The offset of the record in the topic/partition.int
partition()
The partition the record was sent toint
serializedKeySize()
The size of the serialized, uncompressed key in bytes.int
serializedValueSize()
The size of the serialized, uncompressed value in bytes.long
timestamp()
The timestamp of the record in the topic/partition.String
topic()
The topic the record was appended toString
toString()
-
-
-
Field Detail
-
UNKNOWN_PARTITION
public static final int UNKNOWN_PARTITION
Partition value for record without partition assigned- See Also:
- Constant Field Values
-
-
Constructor Detail
-
RecordMetadata
public RecordMetadata(TopicPartition topicPartition, long baseOffset, int batchIndex, long timestamp, int serializedKeySize, int serializedValueSize)
Creates a new instance with the provided parameters.
-
RecordMetadata
@Deprecated public RecordMetadata(TopicPartition topicPartition, long baseOffset, long batchIndex, long timestamp, Long checksum, int serializedKeySize, int serializedValueSize)
Deprecated.use constructor without `checksum` parameter. This constructor will be removed in Apache Kafka 4.0 (deprecated since 3.0).Creates a new instance with the provided parameters.
-
-
Method Detail
-
hasOffset
public boolean hasOffset()
Indicates whether the record metadata includes the offset.- Returns:
- true if the offset is included in the metadata, false otherwise.
-
offset
public long offset()
The offset of the record in the topic/partition.- Returns:
- the offset of the record, or -1 if {
hasOffset()
} returns false.
-
hasTimestamp
public boolean hasTimestamp()
Indicates whether the record metadata includes the timestamp.- Returns:
- true if a valid timestamp exists, false otherwise.
-
timestamp
public long timestamp()
The timestamp of the record in the topic/partition.- Returns:
- the timestamp of the record, or -1 if the {
hasTimestamp()
} returns false.
-
serializedKeySize
public int serializedKeySize()
The size of the serialized, uncompressed key in bytes. If key is null, the returned size is -1.
-
serializedValueSize
public int serializedValueSize()
The size of the serialized, uncompressed value in bytes. If value is null, the returned size is -1.
-
topic
public String topic()
The topic the record was appended to
-
partition
public int partition()
The partition the record was sent to
-
-