@Public public interface CopyableValue<T> extends Value
Modifier and Type | Method and Description |
---|---|
T |
copy()
Performs a deep copy of this object into a new instance.
|
void |
copy(DataInputView source,
DataOutputView target)
Copies the next serialized instance from
source to target . |
void |
copyTo(T target)
Performs a deep copy of this object into the
target instance. |
int |
getBinaryLength()
Gets the length of the data type when it is serialized, in bytes.
|
read, write
int getBinaryLength()
-1
, if variable length.void copyTo(T target)
target
instance.target
- Object to copy into.T copy()
CopyableValue
when storing multiple objects. With object reuse
a deep copy must be created and type erasure prevents calling new.void copy(DataInputView source, DataOutputView target) throws IOException
source
to target
.
This method is equivalent to calling IOReadableWritable.read(DataInputView)
followed by IOReadableWritable.write(DataOutputView)
but does not require
intermediate deserialization.source
- Data source for serialized instance.target
- Data target for serialized instance.IOException
IOReadableWritable
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