public class DataOutputSerializer extends Object implements DataOutputView, MemorySegmentWritable
DataOutput
interface.Constructor and Description |
---|
DataOutputSerializer(int startSize) |
Modifier and Type | Method and Description |
---|---|
void |
clear() |
byte[] |
getByteArray()
Deprecated.
Replaced by
getSharedBuffer() for a better, safer name. |
byte[] |
getCopyOfBuffer()
Gets a copy of the buffer that has the right length for the data serialized so far.
|
byte[] |
getSharedBuffer()
Gets a reference to the internal byte buffer.
|
int |
length() |
void |
setPosition(int position) |
void |
setPositionUnsafe(int position) |
void |
skipBytesToWrite(int numBytes)
Skips
numBytes bytes memory. |
String |
toString() |
ByteBuffer |
wrapAsByteBuffer() |
void |
write(byte[] b) |
void |
write(byte[] b,
int off,
int len) |
void |
write(DataInputView source,
int numBytes)
Copies
numBytes bytes from the source to this view. |
void |
write(int b) |
void |
write(MemorySegment segment,
int off,
int len)
Writes
len bytes from memory segment segment starting at offset off ,
in order, to the output. |
void |
writeBoolean(boolean v) |
void |
writeByte(int v) |
void |
writeBytes(String s) |
void |
writeChar(int v) |
void |
writeChars(String s) |
void |
writeDouble(double v) |
void |
writeFloat(float v) |
void |
writeInt(int v) |
void |
writeIntUnsafe(int v,
int pos) |
void |
writeLong(long v) |
void |
writeShort(int v) |
void |
writeUTF(String str) |
public ByteBuffer wrapAsByteBuffer()
@Deprecated public byte[] getByteArray()
getSharedBuffer()
for a better, safer name.public byte[] getSharedBuffer()
length()
are valid. The buffer will
also be overwritten with the next write calls.
This method is useful when trying to avid byte copies, but should be used carefully.
public byte[] getCopyOfBuffer()
This method is equivalent to Arrays.copyOf(getSharedBuffer(), length());
public void clear()
public int length()
public void write(int b) throws IOException
write
in interface DataOutput
IOException
public void write(byte[] b) throws IOException
write
in interface DataOutput
IOException
public void write(byte[] b, int off, int len) throws IOException
write
in interface DataOutput
IOException
public void write(MemorySegment segment, int off, int len) throws IOException
MemorySegmentWritable
len
bytes from memory segment segment
starting at offset off
,
in order, to the output.write
in interface MemorySegmentWritable
segment
- memory segment to copy the bytes from.off
- the start offset in the memory segment.len
- The number of bytes to copy.IOException
- if an I/O error occurs.public void writeBoolean(boolean v) throws IOException
writeBoolean
in interface DataOutput
IOException
public void writeByte(int v) throws IOException
writeByte
in interface DataOutput
IOException
public void writeBytes(String s) throws IOException
writeBytes
in interface DataOutput
IOException
public void writeChar(int v) throws IOException
writeChar
in interface DataOutput
IOException
public void writeChars(String s) throws IOException
writeChars
in interface DataOutput
IOException
public void writeDouble(double v) throws IOException
writeDouble
in interface DataOutput
IOException
public void writeFloat(float v) throws IOException
writeFloat
in interface DataOutput
IOException
public void writeInt(int v) throws IOException
writeInt
in interface DataOutput
IOException
public void writeIntUnsafe(int v, int pos) throws IOException
IOException
public void writeLong(long v) throws IOException
writeLong
in interface DataOutput
IOException
public void writeShort(int v) throws IOException
writeShort
in interface DataOutput
IOException
public void writeUTF(String str) throws IOException
writeUTF
in interface DataOutput
IOException
public void skipBytesToWrite(int numBytes) throws IOException
DataOutputView
numBytes
bytes memory. If some program reads the memory that was skipped over,
the results are undefined.skipBytesToWrite
in interface DataOutputView
numBytes
- The number of bytes to skip.IOException
- Thrown, if any I/O related problem occurred such that the view could not
be advanced to the desired position.public void write(DataInputView source, int numBytes) throws IOException
DataOutputView
numBytes
bytes from the source to this view.write
in interface DataOutputView
source
- The source to copy the bytes from.numBytes
- The number of bytes to copy.IOException
- Thrown, if any I/O related problem occurred, such that either the input
view could not be read, or the output could not be written.public void setPosition(int position)
public void setPositionUnsafe(int position)
Copyright © 2023–2024 The Apache Software Foundation. All rights reserved.