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java.lang.Objectjava.io.OutputStream
com.sleepycat.util.FastOutputStream
public class FastOutputStream
A replacement for ByteArrayOutputStream that does not synchronize every byte read.
This class extends OutputStream and its write()
methods allow it to be used as a standard output stream. In addition, it
provides writeFast() methods that are not declared to throw
IOException. IOException is never thrown by this
class.
| Field Summary | |
|---|---|
static int |
DEFAULT_BUMP_SIZE
The default amount that the buffer is increased when it is full. |
static int |
DEFAULT_INIT_SIZE
The default initial size of the buffer if no initialSize parameter is specified. |
| Constructor Summary | |
|---|---|
FastOutputStream()
Creates an output stream with default sizes. |
|
FastOutputStream(byte[] buffer)
Creates an output stream with a given initial buffer and a default bump size. |
|
FastOutputStream(byte[] buffer,
int bumpSize)
Creates an output stream with a given initial buffer and a given bump size. |
|
FastOutputStream(int initialSize)
Creates an output stream with a default bump size and a given initial size. |
|
FastOutputStream(int initialSize,
int bumpSize)
Creates an output stream with a given bump size and initial size. |
|
| Method Summary | |
|---|---|
void |
addSize(int sizeAdded)
Skip the given number of bytes in the buffer. |
byte[] |
getBufferBytes()
Returns the buffer owned by this object. |
int |
getBufferLength()
Returns the length used in the internal buffer, i.e., the offset at which data will be written next. |
int |
getBufferOffset()
Returns the offset of the internal buffer. |
void |
makeSpace(int sizeNeeded)
Ensure that at least the given number of bytes are available in the internal buffer. |
void |
reset()
|
int |
size()
|
byte[] |
toByteArray()
|
String |
toString()
|
String |
toString(String encoding)
|
void |
write(byte[] fromBuf)
|
void |
write(byte[] fromBuf,
int offset,
int length)
|
void |
write(int b)
|
void |
writeFast(byte[] fromBuf)
Equivalent to write(byte[]) |
void |
writeFast(byte[] fromBuf,
int offset,
int length)
Equivalent to write(byte[],int,int) |
void |
writeFast(int b)
Equivalent to write(int) |
void |
writeTo(OutputStream out)
|
| Methods inherited from class java.io.OutputStream |
|---|
close, flush |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final int DEFAULT_INIT_SIZE
public static final int DEFAULT_BUMP_SIZE
| Constructor Detail |
|---|
public FastOutputStream()
public FastOutputStream(int initialSize)
initialSize - the initial size of the buffer.
public FastOutputStream(int initialSize,
int bumpSize)
initialSize - the initial size of the buffer.bumpSize - the amount to increment the buffer.public FastOutputStream(byte[] buffer)
buffer - the initial buffer; will be owned by this object.
public FastOutputStream(byte[] buffer,
int bumpSize)
buffer - the initial buffer; will be owned by this object.bumpSize - the amount to increment the buffer. If zero (the
default), the current buffer size will be doubled when the buffer is
full.| Method Detail |
|---|
public int size()
public void reset()
public void write(int b)
write in class OutputStreampublic void write(byte[] fromBuf)
write in class OutputStream
public void write(byte[] fromBuf,
int offset,
int length)
write in class OutputStream
public void writeTo(OutputStream out)
throws IOException
IOExceptionpublic String toString()
toString in class Object
public String toString(String encoding)
throws UnsupportedEncodingException
UnsupportedEncodingExceptionpublic byte[] toByteArray()
public final void writeFast(int b)
write(int) but does not throw
IOException.
- See Also:
write(int)
public final void writeFast(byte[] fromBuf)
write(byte[]) but does not throw
IOException.
- See Also:
write(byte[])
public final void writeFast(byte[] fromBuf,
int offset,
int length)
write(byte[],int,int) but does not throw
IOException.
- See Also:
write(byte[],int,int)
public byte[] getBufferBytes()
public int getBufferOffset()
public int getBufferLength()
public void makeSpace(int sizeNeeded)
sizeNeeded - the number of bytes desired.public void addSize(int sizeAdded)
sizeAdded - number of bytes to skip.
|
Berkeley DB version 6.0.19 |
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