Package io.debezium.util

Class ApproximateStructSizeCalculator

java.lang.Object

io.debezium.util.ApproximateStructSizeCalculator

public class ApproximateStructSizeCalculator
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	EMPTY_ARRAY_SIZE
private static final int	EMPTY_BYTES_SIZE
private static final int	EMPTY_MAP_SIZE
private static final int	EMPTY_PRIMITIVE
private static final int	EMPTY_STRING_SIZE
private static final int	EMPTY_STRUCT_SIZE
private static final int	REFERENCE_SIZE

Constructor Summary

Constructors

Constructor	Description
ApproximateStructSizeCalculator()

Method Summary

Modifier and Type	Method	Description
static long	getApproximateRecordSize(org.apache.kafka.connect.source.SourceRecord changeEvent)
private static long	getArraySize(org.apache.kafka.connect.data.Schema elementSchema, List<Object> array)
private static long	getMapSize(org.apache.kafka.connect.data.Schema keySchema, org.apache.kafka.connect.data.Schema valueSchema, Map<Object,Object> map)
private static long	getStructSize(org.apache.kafka.connect.data.Struct struct)
private static long	getValueSize(org.apache.kafka.connect.data.Schema schema, Object value)
private static byte[]	toArray(ByteBuffer buffer, int offset, int size)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EMPTY_STRUCT_SIZE

private static final int EMPTY_STRUCT_SIZE

See Also:

• Constant Field Values

EMPTY_STRING_SIZE

private static final int EMPTY_STRING_SIZE

See Also:

• Constant Field Values

EMPTY_BYTES_SIZE

private static final int EMPTY_BYTES_SIZE

See Also:

• Constant Field Values

EMPTY_ARRAY_SIZE

private static final int EMPTY_ARRAY_SIZE

See Also:

• Constant Field Values

EMPTY_MAP_SIZE

private static final int EMPTY_MAP_SIZE

See Also:

• Constant Field Values

EMPTY_PRIMITIVE

private static final int EMPTY_PRIMITIVE

See Also:

• Constant Field Values

REFERENCE_SIZE

private static final int REFERENCE_SIZE

See Also:

• Constant Field Values

Constructor Details

ApproximateStructSizeCalculator

public ApproximateStructSizeCalculator()

Method Details

getApproximateRecordSize

public static long getApproximateRecordSize(org.apache.kafka.connect.source.SourceRecord changeEvent)

getStructSize

private static long getStructSize(org.apache.kafka.connect.data.Struct struct)

getValueSize

private static long getValueSize(org.apache.kafka.connect.data.Schema schema,
 Object value)

getArraySize

private static long getArraySize(org.apache.kafka.connect.data.Schema elementSchema,
 List<Object> array)

getMapSize

private static long getMapSize(org.apache.kafka.connect.data.Schema keySchema,
 org.apache.kafka.connect.data.Schema valueSchema,
 Map<Object,Object> map)

toArray

private static byte[] toArray(ByteBuffer buffer,
 int offset,
 int size)