io.debezium.relational

Interface ValueConverter

All Known Implementing Classes:

MaskStrings.MaskingValueConverter, TruncateStrings.TruncatingValueConverter

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ValueConverter

A function that converts from a column data value into another value.

Method Summary

Modifier and Type	Method and Description
default ValueConverter	and(ValueConverter delegate) Return a new converter that calls this converter and passes the result to the specified converter.
Object	convert(Object data) Convert the column's data value.
default ValueConverter	nullOr() Return a new converter that will call this converter only when the input is not null.
default ValueConverter	or(ValueConverter fallback) Adapt this converter to call the specified fallback converter when this converter returns null for a non-null input.
static ValueConverter	passthrough() Obtain a ValueConverter that passes through values.

Method Detail

convert

Object convert(Object data)

Convert the column's data value.

Parameters:

data - the column data value

Returns:

the new data value

or

default ValueConverter or(ValueConverter fallback)

Adapt this converter to call the specified fallback converter when this converter returns null for a non-null input.

Parameters:

fallback - the converter to fall back to when this converter returns null for a non-null input

Returns:

the new converter, or this converter if fallback is null

and

default ValueConverter and(ValueConverter delegate)

Return a new converter that calls this converter and passes the result to the specified converter.

Parameters:

delegate - the converter to call after this converter

Returns:

the new converter, or this converter if delegate is null

nullOr

default ValueConverter nullOr()

Return a new converter that will call this converter only when the input is not null.

Returns:

the new converter; never null

passthrough

static ValueConverter passthrough()

Obtain a ValueConverter that passes through values.

Returns:

the pass-through ValueConverter; never null