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java.nio
Class ShortBuffer  view ShortBuffer download ShortBuffer.java

java.lang.Object
  extended byjava.nio.Buffer
      extended byjava.nio.ShortBuffer
All Implemented Interfaces:
java.lang.Comparable
Direct Known Subclasses:
ShortBufferImpl, ShortViewBufferImpl
public abstract class ShortBuffer
extends Buffer
implements java.lang.Comparable

Since:
1.4

Field Summary
(package private)  int array_offset
           
(package private)  short[] backing_buffer
           
 
Fields inherited from class java.nio.Buffer
address, cap, limit, mark, pos
 
Constructor Summary
(package private) ShortBuffer(int capacity, int limit, int position, int mark)
           
 
Method Summary
static ShortBuffer allocate(int capacity)
          Allocates a new ShortBuffer object with a given capacity.
 short[] array()
          Returns the short array that backs this buffer.
 int arrayOffset()
          Returns the offset within this buffer's backing array of the first element.
abstract  ShortBuffer asReadOnlyBuffer()
          Creates a new read-only ShortBuffer that shares this buffer's content.
abstract  ShortBuffer compact()
          Compacts this buffer.
 int compareTo(java.lang.Object obj)
          Compares two ShortBuffer objects.
abstract  ShortBuffer duplicate()
          Creates a new ShortBuffer that shares this buffer's content.
 boolean equals(java.lang.Object obj)
          Checks if this buffer is equal to obj.
abstract  short get()
          Reads the short at this buffer's current position, and then increments the position.
abstract  short get(int index)
          Absolute get method.
 ShortBuffer get(short[] dst)
          This method transfers shorts from this buffer into the given destination array.
 ShortBuffer get(short[] dst, int offset, int length)
          This method transfers shorts from this buffer into the given destination array.
 boolean hasArray()
          Tells whether ot not this buffer is backed by an accessible short array.
 int hashCode()
          Calculates a hash code for this buffer.
abstract  boolean isDirect()
          Tells wether or not this buffer is direct.
abstract  ByteOrder order()
          Returns the byte order of this buffer.
abstract  ShortBuffer put(int index, short b)
          Absolute put method.
abstract  ShortBuffer put(short b)
          Writes the short at this buffer's current position, and then increments the position.
 ShortBuffer put(short[] src)
          Writes the content of the the short array src into the buffer.
 ShortBuffer put(short[] src, int offset, int length)
          Writes the content of the the short array src into the buffer.
 ShortBuffer put(ShortBuffer src)
          Writes the content of the the ShortBUFFER src into the buffer.
abstract  ShortBuffer slice()
          Creates a new ShortBuffer whose content is a shared subsequence of this buffer's content.
static ShortBuffer wrap(short[] array)
          Wraps a short array into a ShortBuffer object.
static ShortBuffer wrap(short[] array, int offset, int length)
          Wraps a short array into a ShortBuffer object.
 
Methods inherited from class java.nio.Buffer
capacity, checkArraySize, checkForOverflow, checkForOverflow, checkForUnderflow, checkForUnderflow, checkIfReadOnly, checkIndex, clear, flip, hasRemaining, isReadOnly, limit, limit, mark, position, position, remaining, reset, rewind
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

array_offset

int array_offset

backing_buffer

short[] backing_buffer
Constructor Detail

ShortBuffer

ShortBuffer(int capacity,
            int limit,
            int position,
            int mark)
Method Detail

allocate

public static ShortBuffer allocate(int capacity)
Allocates a new ShortBuffer object with a given capacity.

wrap

public static final ShortBuffer wrap(short[] array,
                                     int offset,
                                     int length)
Wraps a short array into a ShortBuffer object.

wrap

public static final ShortBuffer wrap(short[] array)
Wraps a short array into a ShortBuffer object.

get

public ShortBuffer get(short[] dst,
                       int offset,
                       int length)
This method transfers shorts from this buffer into the given destination array. Before the transfer, it checks if there are fewer than length shorts remaining in this buffer.

get

public ShortBuffer get(short[] dst)
This method transfers shorts from this buffer into the given destination array.

put

public ShortBuffer put(ShortBuffer src)
Writes the content of the the ShortBUFFER src into the buffer. Before the transfer, it checks if there is fewer than src.remaining() space remaining in this buffer.

put

public ShortBuffer put(short[] src,
                       int offset,
                       int length)
Writes the content of the the short array src into the buffer. Before the transfer, it checks if there is fewer than length space remaining in this buffer.

put

public final ShortBuffer put(short[] src)
Writes the content of the the short array src into the buffer.

hasArray

public final boolean hasArray()
Tells whether ot not this buffer is backed by an accessible short array.

array

public final short[] array()
Returns the short array that backs this buffer.

arrayOffset

public final int arrayOffset()
Returns the offset within this buffer's backing array of the first element.

hashCode

public int hashCode()
Calculates a hash code for this buffer. This is done with int arithmetic, where ** represents exponentiation, by this formula:
s[position()] + 31 + (s[position()+1] + 30)*31**1 + ... + (s[limit()-1]+30)*31**(limit()-1). Where s is the buffer data. Note that the hashcode is dependent on buffer content, and therefore is not useful if the buffer content may change.

equals

public boolean equals(java.lang.Object obj)
Checks if this buffer is equal to obj.

compareTo

public int compareTo(java.lang.Object obj)
Compares two ShortBuffer objects.

Specified by:
compareTo in interface java.lang.Comparable

order

public abstract ByteOrder order()
Returns the byte order of this buffer.

get

public abstract short get()
Reads the short at this buffer's current position, and then increments the position.

put

public abstract ShortBuffer put(short b)
Writes the short at this buffer's current position, and then increments the position.

get

public abstract short get(int index)
Absolute get method.

put

public abstract ShortBuffer put(int index,
                                short b)
Absolute put method.

compact

public abstract ShortBuffer compact()
Compacts this buffer.

isDirect

public abstract boolean isDirect()
Tells wether or not this buffer is direct.

slice

public abstract ShortBuffer slice()
Creates a new ShortBuffer whose content is a shared subsequence of this buffer's content.

duplicate

public abstract ShortBuffer duplicate()
Creates a new ShortBuffer that shares this buffer's content.

asReadOnlyBuffer

public abstract ShortBuffer asReadOnlyBuffer()
Creates a new read-only ShortBuffer that shares this buffer's content.

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