Class ByteAttributeConverter
java.lang.Object
software.amazon.awssdk.enhanced.dynamodb.internal.converter.attribute.ByteAttributeConverter
- All Implemented Interfaces:
AttributeConverter<Byte>
,PrimitiveConverter<Byte>
@ThreadSafe
@Immutable
public final class ByteAttributeConverter
extends Object
implements AttributeConverter<Byte>, PrimitiveConverter<Byte>
A converter between
Byte
and AttributeValue
.
This stores values in DynamoDB as a single byte.
This only supports reading a single byte from DynamoDB. Any binary data greater than 1 byte will cause a RuntimeException during conversion.
This can be created via create()
.
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Method Summary
Modifier and TypeMethodDescriptionTheAttributeValueType
that a converter stores and reads values from DynamoDB via theAttributeValue
class.static ByteAttributeConverter
create()
The type supported by this converter.transformFrom
(Byte input) Convert the provided Java object into anAttributeValue
.transformTo
(AttributeValue input) Convert the providedAttributeValue
into a Java object.type()
The type supported by this converter.
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Method Details
-
create
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transformFrom
Description copied from interface:AttributeConverter
Convert the provided Java object into anAttributeValue
. This will raise aRuntimeException
if the conversion fails, or the input is null.Example:
InstantAsStringAttributeConverter converter = InstantAsStringAttributeConverter.create(); assertEquals(converter.transformFrom(Instant.EPOCH), EnhancedAttributeValue.fromString("1970-01-01T00:00:00Z").toAttributeValue());
- Specified by:
transformFrom
in interfaceAttributeConverter<Byte>
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transformTo
Description copied from interface:AttributeConverter
Convert the providedAttributeValue
into a Java object. This will raise aRuntimeException
if the conversion fails, or the input is null.Example:
InstantAsStringAttributeConverter converter = InstantAsStringAttributeConverter.create(); assertEquals(converter.transformTo(EnhancedAttributeValue.fromString("1970-01-01T00:00:00Z").toAttributeValue()), Instant.EPOCH);
- Specified by:
transformTo
in interfaceAttributeConverter<Byte>
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type
Description copied from interface:AttributeConverter
The type supported by this converter.- Specified by:
type
in interfaceAttributeConverter<Byte>
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attributeValueType
Description copied from interface:AttributeConverter
TheAttributeValueType
that a converter stores and reads values from DynamoDB via theAttributeValue
class.- Specified by:
attributeValueType
in interfaceAttributeConverter<Byte>
-
primitiveType
Description copied from interface:PrimitiveConverter
The type supported by this converter.- Specified by:
primitiveType
in interfacePrimitiveConverter<Byte>
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