-FastInputStream (Oracle - Berkeley DB Java API) -

java.lang.Object
+
- java.io.InputStream
- +
  - com.sleepycat.util.FastInputStream
  +
+

+
+
All Implemented Interfaces:
+
java.io.Closeable, java.lang.AutoCloseable
+
+
+
Direct Known Subclasses:
+
TupleInput
+
+
+
+
```
public class FastInputStream
+extends java.io.InputStream
```
+
A replacement for ByteArrayInputStream that does not synchronize every byte read. -
This class extends InputStream and its read() +
This class extends InputStream and its read() methods allow it to be used as a standard input stream. In addition, it provides readFast() methods that are not declared to throw IOException. IOException is never thrown by this - class.
-
- -
-
- -
+ class.
+

- - - - - - - - - - - - - - - - - - - - - - -

-Field Summary
-`protected byte[]`	`buf` - - -
-`protected int`	`len` - - -
-`protected int`	`mark` - - -
-`protected int`	`off` - - -

- +

+ + +
Field Summary
+ + + + + + + + + + + + + + + + + + + + + + +
Fields
Modifier and Type Field and Description
protected byte[] buf
protected int len
protected int mark
protected int off
+

Fields
Modifier and Type	Field and Description
`protected byte[]`	`buf`
`protected int`	`len`
`protected int`	`mark`
`protected int`	`off`

- - - - - - - - - - - - -

-Constructor Summary
`FastInputStream(byte[] buffer)` - - - Creates an input stream.
`FastInputStream(byte[] buffer, - int offset, - int length)` - - - Creates an input stream.

- +

+ + +

Constructor Summary

+ + + + + + + + + + + +

Constructors
Constructor and Description
`FastInputStream(byte[] buffer)` + Creates an input stream. +
`FastInputStream(byte[] buffer, + int offset, + int length)` + Creates an input stream. +

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +

-Method Summary

- int available() - -
-

- byte[] getBufferBytes() - -
- Returns the underlying data being read.

- int getBufferLength() - -
- Returns the end of the buffer being read.

- int getBufferOffset() - -
- Returns the offset at which data is being read from the buffer.

- void mark(int readLimit) - -
-

- boolean markSupported() - -
-

- int read() - -
-

- int read(byte[] toBuf) - -
-

- int read(byte[] toBuf, - int offset, - int length) - -
-

- int readFast() - -
- Equivalent to read() but does not throw - IOException.

- int readFast(byte[] toBuf) - -
- Equivalent to read(byte[]) but does not throw - IOException.

- int readFast(byte[] toBuf, - int offset, - int length) - -
- Equivalent to read(byte[],int,int) but does not throw - IOException.

- void reset() - -
-

- long skip(long count) - -
-

- void

skipFast(int count) - -
- Equivalent to

skip() but takes an int parameter instead of a
+
+
+
+
+Method Summary
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-
-Methods Modifier and Type Method and Description
int available() 
byte[] getBufferBytes()
+Returns the underlying data being read.
+
int getBufferLength()
+Returns the end of the buffer being read.
+
int getBufferOffset()
+Returns the offset at which data is being read from the buffer.
+
void mark(int readLimit) 
boolean markSupported() 
int read() 
int read(byte[] toBuf) 
int read(byte[] toBuf,
+    int offset,
+    int length) 
int readFast()
+Equivalent to read() but does not throw
+ IOException.

+
int readFast(byte[] toBuf)
+Equivalent to read(byte[]) but does not throw
+ IOException.

+
int readFast(byte[] toBuf,
+        int offset,
+        int length)
+Equivalent to read(byte[],int,int) but does not throw
+ IOException.

+
void reset() 
long skip(long count) 
void skipFast(int count)
+Equivalent to skip() but takes an int parameter instead of a
  long, and does not check whether the count given is larger than the
- number of remaining bytes.
- 
-
-
-
-
-
-
-
-Methods inherited from class java.io.InputStream
close
- 
-
-
-
-
-
-
-
-Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- 
-
-
+ number of remaining bytes.
+

+ + +
Methods inherited from class java.io.InputStream
+close

+ + +
Methods inherited from class java.lang.Object
+clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

+ + +

- - - - - - -
-Field Detail
- -
-len
-
```
-protected int len
```
-
-
-
-
-
- -
-off
-
```
-protected int off
```
-
-
-
-
-
- -
-mark
-
```
-protected int mark
```
-
-
-
-
-
- -
-buf
-
```
-protected byte[] buf
```
-
-
-
-
- +
- + + +
  Field Detail
  + + + +
  - +
    len
    +
```
protected int len
```
    +
  + + + +
  - +
    off
    +
```
protected int off
```
    +
  + + + +
  - +
    mark
    +
```
protected int mark
```
    +
  + + + +
  - +
    buf
    +
```
protected byte[] buf
```
    +
  +
- - - - - - -
-Constructor Detail
- -
-FastInputStream
-
```
-public FastInputStream(byte[] buffer)
```
-
-
Creates an input stream. -
-
-
Parameters:
buffer - the data to read.
-
-
- -
-FastInputStream
-
```
-public FastInputStream(byte[] buffer,
-                       int offset,
-                       int length)
```
-
-
Creates an input stream. -
-
-
Parameters:
buffer - the data to read.
offset - the byte offset at which to begin reading.
length - the number of bytes to read.
-
- +
- + + +
  Constructor Detail
  + + + +
  - +
    FastInputStream
    +
```
public FastInputStream(byte[] buffer)
```
    +
    Creates an input stream.
    +
    Parameters:
    buffer - the data to read.
    +
  + + + +
  - +
    FastInputStream
    +
```
public FastInputStream(byte[] buffer,
+               int offset,
+               int length)
```
    +
    Creates an input stream.
    +
    Parameters:
    buffer - the data to read.
    offset - the byte offset at which to begin reading.
    length - the number of bytes to read.
    +
  +
- - - - - - -
-Method Detail
- -
-available
-
```
-public int available()
```
-
-
-
Overrides:
available in class InputStream
-
-
-
-
-
-
- -
-markSupported
-
```
-public boolean markSupported()
```
-
-
-
Overrides:
markSupported in class InputStream
-
-
-
-
-
-
- -
-mark
-
```
-public void mark(int readLimit)
```
-
-
-
Overrides:
mark in class InputStream
-
-
-
-
-
-
- -
-reset
-
```
-public void reset()
```
-
-
-
Overrides:
reset in class InputStream
-
-
-
-
-
-
- -
-skip
-
```
-public long skip(long count)
```
-
-
-
Overrides:
skip in class InputStream
-
-
-
-
-
-
- -
-read
-
```
-public int read()
```
-
-
-
Specified by:
read in class InputStream
-
-
-
-
-
-
- -
-read
-
```
-public int read(byte[] toBuf)
```
-
-
-
Overrides:
read in class InputStream
-
-
-
-
-
-
- -
-read
-
```
-public int read(byte[] toBuf,
-                int offset,
-                int length)
```
-
-
-
Overrides:
read in class InputStream
-
-
-
-
-
-
- -
-skipFast
-
```
-public final void skipFast(int count)
```
-
-
Equivalent to skip() but takes an int parameter instead of a + + + + +Method Detail + + + + + +available +public int available() + +Overrides: +available in class java.io.InputStream + + + + + + + + +markSupported +public boolean markSupported() + +Overrides: +markSupported in class java.io.InputStream + + + + + + + + +mark +public void mark(int readLimit) + +Overrides: +mark in class java.io.InputStream + + + + + + + + +reset +public void reset() + +Overrides: +reset in class java.io.InputStream + + + + + + + + +skip +public long skip(long count) + +Overrides: +skip in class java.io.InputStream + + + + + + + + +read +public int read() + +Specified by: +read in class java.io.InputStream + + + + + + + + +read +public int read(byte[] toBuf) + +Overrides: +read in class java.io.InputStream + + + + + + + + +read +public int read(byte[] toBuf, + int offset, + int length) + +Overrides: +read in class java.io.InputStream + + + + + + + + +skipFast +public final void skipFast(int count) +Equivalent to skip() but takes an int parameter instead of a long, and does not check whether the count given is larger than the - number of remaining bytes. - - -See Also: skip(long) - -
- - - -readFast --public final int readFast() - -Equivalent to read() but does not throw - IOException. - - -See Also: read() - - - - - -readFast --public final int readFast(byte[] toBuf) - -Equivalent to read(byte[]) but does not throw - IOException. - - -See Also: read(byte[]) - - - - - -readFast --public final int readFast(byte[] toBuf, - int offset, - int length) - -Equivalent to read(byte[],int,int) but does not throw - IOException. - - -See Also: read(byte[],int,int) - - - - - -getBufferBytes --public final byte[] getBufferBytes() - -Returns the underlying data being read. - - - -Returns: the underlying data. - - - - - -getBufferOffset --public final int getBufferOffset() - -Returns the offset at which data is being read from the buffer. - - - -Returns: the offset at which data is being read. - - - - - -getBufferLength --public final int getBufferLength() - -Returns the end of the buffer being read. - - - -Returns: the end of the buffer. - - + number of remaining bytes.


+See Also:
skip(long)
+
+
+
+
+
+
+
+readFast
+public final int readFast()
+Equivalent to read() but does not throw
+ IOException.

+See Also:
read()
+

+

+
+
+
+
+
+readFast
+public final int readFast(byte[] toBuf)
+Equivalent to read(byte[]) but does not throw
+ IOException.

+See Also:
read(byte[])
+

+

+
+
+
+
+
+readFast
+public final int readFast(byte[] toBuf,
+           int offset,
+           int length)
+Equivalent to read(byte[],int,int) but does not throw
+ IOException.

+See Also:
read(byte[],int,int)
+

+

+
+
+
+
+
+getBufferBytes
+public final byte[] getBufferBytes()
+Returns the underlying data being read.
+Returns:
the underlying data.
+
+
+
+
+
+
+
+getBufferOffset
+public final int getBufferOffset()
+Returns the offset at which data is being read from the buffer.
+Returns:
the offset at which data is being read.
+
+
+
+
+
+
+
+getBufferLength
+public final int getBufferLength()
+Returns the end of the buffer being read.
+Returns:
the end of the buffer.
+
+
+
+
+
+
+

- -com.sleepycat.util - -Class FastInputStream

Class FastInputStream

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.io.InputStream

Methods inherited from class java.lang.Object

-len

-off

-mark

-buf

Field Detail

len

off

mark

buf

-FastInputStream

-FastInputStream

Constructor Detail

FastInputStream

FastInputStream

-available

-markSupported

-mark

-reset

-skip

-read

-read

-read

-skipFast

Method Detail

available

markSupported

mark

reset

skip

read

read

read

skipFast

-readFast

-readFast

-readFast

-getBufferBytes

-getBufferOffset

-getBufferLength

readFast

readFast

readFast

getBufferBytes

getBufferOffset

getBufferLength

- -com.sleepycat.util -
-Class FastInputStream