public class Chunk
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
private byte[] |
data |
private java.io.DataInput |
input |
private short |
majorVersion |
private short |
minorVersion |
private int |
position |
Constructor and Description |
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Chunk(java.io.DataInput input,
int offset,
byte[] reusableBuffer) |
Modifier and Type | Method and Description |
---|---|
byte[] |
fill(long upToPosition)
Copy data from the input source to the chunk buffer.
|
private static int |
getArrayPosition(long pos) |
short |
getMajorVersion() |
short |
getMinorVersion() |
int |
getPosition() |
byte[] |
getReusableBuffer()
Return the current data buffer.
|
void |
skip(long upToPosition)
Skip reading data from the input source up to a specified position.
|
private final java.io.DataInput input
private final short majorVersion
private final short minorVersion
private int position
private byte[] data
public Chunk(java.io.DataInput input, int offset, byte[] reusableBuffer) throws java.io.IOException, InvalidJfrFileException
input
- input to read chunk data fromoffset
- initial positionreusableBuffer
- a byte array for holding read chunk datajava.io.IOException
InvalidJfrFileException
public short getMajorVersion()
public short getMinorVersion()
public int getPosition()
public byte[] fill(long upToPosition) throws java.io.IOException, InvalidJfrFileException
upToPosition
- position to fill buffer tojava.io.IOException
InvalidJfrFileException
public void skip(long upToPosition) throws java.io.IOException, InvalidJfrFileException
upToPosition
- chunk relative positionjava.io.IOException
InvalidJfrFileException
public byte[] getReusableBuffer()
private static int getArrayPosition(long pos) throws InvalidJfrFileException
InvalidJfrFileException