io.r2dbc.h2.codecs

Interface Codecs

All Known Implementing Classes:

DefaultCodecs

public interface Codecs

Encodes and decodes objects.

Method Summary

Modifier and Type	Method and Description
<T> T	decode(org.h2.value.Value value, int dataType, Class<? extends T> type) Decode a data to a value.
org.h2.value.Value	encode(Object value) Encode a value.
org.h2.value.Value	encodeNull(Class<?> type) Encode a null value.
Class<?>	preferredType(int dataType) Returns the preferred Java type for a given data type and format.

Method Detail

decode

@Nullable
<T> T decode(@Nullable
                       org.h2.value.Value value,
                       int dataType,
                       Class<? extends T> type)

Decode a data to a value.

Type Parameters:

T - the type of item being returned

Parameters:

value - the Value to decode

dataType - the data type of the data

type - the type to decode to

Returns:

the decoded value

Throws:

NullPointerException - if format or type is null

encode

org.h2.value.Value encode(Object value)

Encode a value.

Parameters:

value - the value to encode

Returns:

the encoded value

Throws:

NullPointerException - if value is null

encodeNull

org.h2.value.Value encodeNull(Class<?> type)

Encode a null value.

Parameters:

type - the type to encode

Returns:

the encoded value

Throws:

NullPointerException - if type is null

preferredType

@Nullable
Class<?> preferredType(int dataType)

Returns the preferred Java type for a given data type and format.

Parameters:

dataType - the data type of the data

Returns:

the preferred Java type for a given data type