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java.nio
Class IntBuffer  view IntBuffer download IntBuffer.java

java.lang.Object
  extended byjava.nio.Buffer
      extended byjava.nio.IntBuffer
All Implemented Interfaces:
java.lang.Comparable
Direct Known Subclasses:
IntBufferImpl, IntViewBufferImpl
public abstract class IntBuffer
extends Buffer
implements java.lang.Comparable

Since:
1.4

Field Summary
(package private)  int array_offset
           
(package private)  int[] backing_buffer
           
 
Fields inherited from class java.nio.Buffer
address, cap, limit, mark, pos
 
Constructor Summary
(package private) IntBuffer(int capacity, int limit, int position, int mark)
           
 
Method Summary
static IntBuffer allocate(int capacity)
          Allocates a new IntBuffer object with a given capacity.
 int[] array()
          Returns the int array that backs this buffer.
 int arrayOffset()
          Returns the offset within this buffer's backing array of the first element.
abstract  IntBuffer asReadOnlyBuffer()
          Creates a new read-only IntBuffer that shares this buffer's content.
abstract  IntBuffer compact()
          Compacts this buffer.
 int compareTo(java.lang.Object obj)
          Compares two IntBuffer objects.
abstract  IntBuffer duplicate()
          Creates a new IntBuffer that shares this buffer's content.
 boolean equals(java.lang.Object obj)
          Checks if this buffer is equal to obj.
abstract  int get()
          Reads the int at this buffer's current position, and then increments the position.
abstract  int get(int index)
          Absolute get method.
 IntBuffer get(int[] dst)
          This method transfers ints from this buffer into the given destination array.
 IntBuffer get(int[] dst, int offset, int length)
          This method transfers ints from this buffer into the given destination array.
 boolean hasArray()
          Tells whether ot not this buffer is backed by an accessible int 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  IntBuffer put(int b)
          Writes the int at this buffer's current position, and then increments the position.
 IntBuffer put(int[] src)
          Writes the content of the the int array src into the buffer.
 IntBuffer put(int[] src, int offset, int length)
          Writes the content of the the int array src into the buffer.
 IntBuffer put(IntBuffer src)
          Writes the content of the the IntBUFFER src into the buffer.
abstract  IntBuffer put(int index, int b)
          Absolute put method.
abstract  IntBuffer slice()
          Creates a new IntBuffer whose content is a shared subsequence of this buffer's content.
static IntBuffer wrap(int[] array)
          Wraps a int array into a IntBuffer object.
static IntBuffer wrap(int[] array, int offset, int length)
          Wraps a int array into a IntBuffer 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

int[] backing_buffer
Constructor Detail

IntBuffer

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

allocate

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

wrap

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

wrap

public static final IntBuffer wrap(int[] array)
Wraps a int array into a IntBuffer object.

get

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

get

public IntBuffer get(int[] dst)
This method transfers ints from this buffer into the given destination array.

put

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

put

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

put

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

hasArray

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

array

public final int[] array()
Returns the int 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 IntBuffer objects.

Specified by:
compareTo in interface java.lang.Comparable

order

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

get

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

put

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

get

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

put

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

compact

public abstract IntBuffer compact()
Compacts this buffer.

isDirect

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

slice

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

duplicate

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

asReadOnlyBuffer

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

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