Package io.debezium.data

Class SpecialValueDecimal

java.lang.Object

io.debezium.data.SpecialValueDecimal

All Implemented Interfaces:

ValueWrapper<BigDecimal>, Serializable

public class SpecialValueDecimal
extends Object
implements Serializable, ValueWrapper<BigDecimal>

Extension of plain a BigDecimal type that adds support for new features like special values handling - NaN, infinity;

Author:

Jiri Pechanec

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SpecialValueDecimal.SpecialValue	Special values for floating-point and numeric types

Field Summary

Fields

Modifier and Type	Field	Description
private BigDecimal	decimalValue
static SpecialValueDecimal	NEGATIVE_INF
static SpecialValueDecimal	NOT_A_NUMBER
static SpecialValueDecimal	POSITIVE_INF
private static String	PRECISION_PARAMETER_KEY	Used as a schema parameter by the Avro serializer for creating a corresponding Avro schema with the correct precision.
private static long	serialVersionUID
private SpecialValueDecimal.SpecialValue	specialValue
static SpecialValueDecimal	ZERO

Constructor Summary

Constructors

Modifier	Constructor	Description
private	SpecialValueDecimal(SpecialValueDecimal.SpecialValue specialValue)
	SpecialValueDecimal(BigDecimal value)

Method Summary

Modifier and Type	Method	Description
static org.apache.kafka.connect.data.SchemaBuilder	builder(JdbcValueConverters.DecimalMode mode, int precision, int scale)	Returns a SchemaBuilder for a decimal number depending on JdbcValueConverters.DecimalMode.
boolean	equals(Object obj)
static Object	fromLogical(SpecialValueDecimal value, JdbcValueConverters.DecimalMode mode, String columnName)
Optional<BigDecimal>	getDecimalValue()
BigDecimal	getWrappedValue()
int	hashCode()
double	toDouble()
String	toString()	Converts a value from its logical format (BigDecimal/special) to its string representation
static SpecialValueDecimal	valueOf(String decimal)	Factory method for creating instances from numbers in string format

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

PRECISION_PARAMETER_KEY

private static final String PRECISION_PARAMETER_KEY

Used as a schema parameter by the Avro serializer for creating a corresponding Avro schema with the correct precision.

See Also:

Constant Field Values

ZERO

public static SpecialValueDecimal ZERO

NOT_A_NUMBER

public static SpecialValueDecimal NOT_A_NUMBER

POSITIVE_INF

public static SpecialValueDecimal POSITIVE_INF

NEGATIVE_INF

public static SpecialValueDecimal NEGATIVE_INF

decimalValue

private final BigDecimal decimalValue

specialValue

private final SpecialValueDecimal.SpecialValue specialValue

Constructor Detail

SpecialValueDecimal

public SpecialValueDecimal(BigDecimal value)

SpecialValueDecimal

private SpecialValueDecimal(SpecialValueDecimal.SpecialValue specialValue)

Method Detail

getDecimalValue

public Optional<BigDecimal> getDecimalValue()

Returns:

the plain decimal value if available

valueOf

public static SpecialValueDecimal valueOf(String decimal)

Factory method for creating instances from numbers in string format

Parameters:

decimal - a string containing valid decimal number

Returns:

SpecialValueDecimal containing converted BigDecimal

toDouble

public double toDouble()

Returns:

value converted into double including special values

toString

public String toString()

Converts a value from its logical format (BigDecimal/special) to its string representation

Overrides:

toString in class Object

Parameters:

struct - the strut to put data in

Returns:

the encoded value

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

builder

public static org.apache.kafka.connect.data.SchemaBuilder builder(JdbcValueConverters.DecimalMode mode,
                                                                  int precision,
                                                                  int scale)

Returns a SchemaBuilder for a decimal number depending on JdbcValueConverters.DecimalMode. You can use the resulting schema builder to set additional schema settings such as required/optional, default value, and documentation.

Parameters:

mode - the mode in which the number should be encoded

precision - the precision of the decimal

scale - scale of the decimal

Returns:

the schema builder

fromLogical

public static Object fromLogical(SpecialValueDecimal value,
                                 JdbcValueConverters.DecimalMode mode,
                                 String columnName)

getWrappedValue

public BigDecimal getWrappedValue()

Specified by:

getWrappedValue in interface ValueWrapper<BigDecimal>