public static class TypeCodec.CustomCodec extends TypeCodec<ByteBuffer>
DataType.custom(String)
to a Java ByteBuffer
.
Note that no instance of this codec is part of the default set of codecs used by the Java driver;
instances of this codec must be manually registered.TypeCodec.AbstractUUIDCodec, TypeCodec.AsciiCodec, TypeCodec.BigintCodec, TypeCodec.BlobCodec, TypeCodec.BooleanCodec, TypeCodec.CollectionCodec<E,C extends Collection<E>>, TypeCodec.CounterCodec, TypeCodec.CustomCodec, TypeCodec.DateCodec, TypeCodec.DecimalCodec, TypeCodec.DoubleCodec, TypeCodec.EnumIntCodec<E extends Enum<E>>, TypeCodec.EnumStringCodec<E extends Enum<E>>, TypeCodec.FloatCodec, TypeCodec.InetCodec, TypeCodec.IntCodec, TypeCodec.ListCodec<T>, TypeCodec.LongCodec, TypeCodec.MapCodec<K,V>, TypeCodec.MappingCodec<T,U>, TypeCodec.PrimitiveBooleanCodec, TypeCodec.PrimitiveByteCodec, TypeCodec.PrimitiveDoubleCodec, TypeCodec.PrimitiveFloatCodec, TypeCodec.PrimitiveIntCodec, TypeCodec.PrimitiveLongCodec, TypeCodec.PrimitiveShortCodec, TypeCodec.SetCodec<T>, TypeCodec.SmallIntCodec, TypeCodec.StringCodec, TypeCodec.StringParsingCodec<T>, TypeCodec.TimeCodec, TypeCodec.TimestampCodec, TypeCodec.TimeUUIDCodec, TypeCodec.TinyIntCodec, TypeCodec.TupleCodec, TypeCodec.UDTCodec, TypeCodec.UUIDCodec, TypeCodec.VarcharCodec, TypeCodec.VarintCodec
Constructor and Description |
---|
CustomCodec(DataType custom) |
Modifier and Type | Method and Description |
---|---|
ByteBuffer |
deserialize(ByteBuffer bytes,
ProtocolVersion protocolVersion)
Deserialize the given
ByteBuffer instance according to the CQL type
handled by this codec. |
String |
format(ByteBuffer value)
Format the given value as a valid CQL literal according
to the CQL type handled by this codec.
|
ByteBuffer |
parse(String value)
Parse the given CQL literal into an instance of the Java type
handled by this codec.
|
ByteBuffer |
serialize(ByteBuffer value,
ProtocolVersion protocolVersion)
Serialize the given value according to the CQL type
handled by this codec.
|
accepts, accepts, accepts, equals, getCqlType, getJavaType, hashCode, toString
public CustomCodec(DataType custom)
public ByteBuffer parse(String value)
TypeCodec
"NULL"
;
in most cases, implementations should interpret these inputs has equivalent to a null
reference.parse
in class TypeCodec<ByteBuffer>
value
- The CQL string to parse, may be null
or empty.null
on a null input
.public String format(ByteBuffer value)
TypeCodec
"NULL"
for null
inputs.format
in class TypeCodec<ByteBuffer>
value
- An instance of T; may be null
.public ByteBuffer serialize(ByteBuffer value, ProtocolVersion protocolVersion)
TypeCodec
Implementation notes:
null
input as
the equivalent of an empty collection.serialize
in class TypeCodec<ByteBuffer>
value
- An instance of T; may be null
.protocolVersion
- the protocol version to use when serializing
bytes
. In most cases, the proper value to provide for this argument
is the value returned by ProtocolOptions.getProtocolVersion()
(which
is the protocol version in use by the driver).ByteBuffer
instance containing the serialized form of Tpublic ByteBuffer deserialize(ByteBuffer bytes, ProtocolVersion protocolVersion)
TypeCodec
ByteBuffer
instance according to the CQL type
handled by this codec.
Implementation notes:
null
or a default value for the corresponding Java type, if applicable;null
;
they should return empty collections instead.deserialize
in class TypeCodec<ByteBuffer>
bytes
- A ByteBuffer
instance containing the serialized form of T;
may be null
or empty.protocolVersion
- the protocol version to use when serializing
bytes
. In most cases, the proper value to provide for this argument
is the value returned by ProtocolOptions.getProtocolVersion()
(which
is the protocol version in use by the driver).Copyright © 2012–2015. All rights reserved.