@ThreadSafe @Immutable public final class AtomicIntegerAttributeConverter extends Object implements AttributeConverter<AtomicInteger>
AtomicInteger
and AttributeValue
.
This stores values in DynamoDB as a number.
This supports reading numbers between Integer.MIN_VALUE
and Integer.MAX_VALUE
from DynamoDB. For smaller
numbers, consider using ShortAttributeConverter
. For larger numbers, consider using LongAttributeConverter
or BigIntegerAttributeConverter
. Numbers outside of the supported range will cause a NumberFormatException
on conversion.
This does not support reading decimal numbers. For decimal numbers, consider using FloatAttributeConverter
,
DoubleAttributeConverter
or BigDecimalAttributeConverter
. Decimal numbers will cause a
NumberFormatException
on conversion.
This can be created via create()
.
Modifier and Type | Method and Description |
---|---|
AttributeValueType |
attributeValueType()
The
AttributeValueType that a converter stores and reads values
from DynamoDB via the AttributeValue class. |
static AtomicIntegerAttributeConverter |
create() |
AttributeValue |
transformFrom(AtomicInteger input)
Convert the provided Java object into an
AttributeValue . |
AtomicInteger |
transformTo(AttributeValue input)
Convert the provided
AttributeValue into a Java object. |
EnhancedType<AtomicInteger> |
type()
The type supported by this converter.
|
public EnhancedType<AtomicInteger> type()
AttributeConverter
type
in interface AttributeConverter<AtomicInteger>
public AttributeValueType attributeValueType()
AttributeConverter
AttributeValueType
that a converter stores and reads values
from DynamoDB via the AttributeValue
class.attributeValueType
in interface AttributeConverter<AtomicInteger>
public static AtomicIntegerAttributeConverter create()
public AttributeValue transformFrom(AtomicInteger input)
AttributeConverter
AttributeValue
. This will raise a RuntimeException
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());
transformFrom
in interface AttributeConverter<AtomicInteger>
public AtomicInteger transformTo(AttributeValue input)
AttributeConverter
AttributeValue
into a Java object. This will raise a RuntimeException
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);
transformTo
in interface AttributeConverter<AtomicInteger>
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