Package io.debezium.relational

Class CustomConverterRegistry

java.lang.Object

io.debezium.relational.CustomConverterRegistry

@ThreadSafe
public class CustomConverterRegistry
extends Object

The registry of all converters that were provided by the connector configuration.

Author:

Jiri Pechanec

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	CustomConverterRegistry.ConverterDefinition<S>	Class binding together the schema of the conversion result and the converter code.

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,CustomConverterRegistry.ConverterDefinition<org.apache.kafka.connect.data.SchemaBuilder>>	conversionFunctionMap
private final List<CustomConverter<org.apache.kafka.connect.data.SchemaBuilder,ConvertedField>>	converters

Constructor Summary

Constructors

Constructor	Description
CustomConverterRegistry(List<CustomConverter<org.apache.kafka.connect.data.SchemaBuilder,ConvertedField>> converters)

Method Summary

Modifier and Type	Method	Description
private String	fullColumnName(TableId table, Column column)
Optional<ValueConverter>	getValueConverter(TableId table, Column column)	Obtain a pre-registered converter for a given column.
boolean	isEmpty()
Optional<org.apache.kafka.connect.data.SchemaBuilder>	registerConverterFor(TableId table, Column column, Object defaultValue)	Create and register a converter for a given database column.

Methods inherited from class java.lang.Object

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

Field Details

converters

@Immutable
private final List<CustomConverter<org.apache.kafka.connect.data.SchemaBuilder,ConvertedField>> converters

conversionFunctionMap

private final Map<String,CustomConverterRegistry.ConverterDefinition<org.apache.kafka.connect.data.SchemaBuilder>> conversionFunctionMap

Constructor Details

CustomConverterRegistry

public CustomConverterRegistry(List<CustomConverter<org.apache.kafka.connect.data.SchemaBuilder,ConvertedField>> converters)

Method Details

registerConverterFor

public Optional<org.apache.kafka.connect.data.SchemaBuilder> registerConverterFor(TableId table,
 Column column,
 Object defaultValue)

Create and register a converter for a given database column.

Parameters:

table - the table that contains the column

column - the column metadata

Returns:

the schema of the value generated by the converter or empty if converter does not support the column

getValueConverter

public Optional<ValueConverter> getValueConverter(TableId table,
 Column column)

Obtain a pre-registered converter for a given column.

Parameters:

table - the table that contains the column

column - the column metadata

Returns:

the the value converter or empty if converter does not support the column

isEmpty

public boolean isEmpty()

Returns:

true if no custom converters will be used by the connector

fullColumnName

private String fullColumnName(TableId table,
 Column column)