jodd.util.buffer

Class FastLongBuffer

java.lang.Object

jodd.util.buffer.FastLongBuffer

public class FastLongBuffer
extends java.lang.Object

Fast, fast long buffer. This buffer implementation does not store all data in single array, but in array of chunks.

Constructor Summary

Constructors

Constructor and Description
FastLongBuffer() Creates a new long buffer.
FastLongBuffer(int size) Creates a new long buffer, with a buffer capacity of the specified size, in bytes.

Method Summary

Methods

Modifier and Type	Method and Description
FastLongBuffer	append(FastLongBuffer buff) Appends another fast buffer to this one.
FastLongBuffer	append(long element) Appends single long to buffer.
FastLongBuffer	append(long[] array) Appends long array to buffer.
FastLongBuffer	append(long[] array, int off, int len) Appends long array to buffer.
long[]	array(int index) Returns long inner array chunk at given index.
void	clear() Resets the buffer content.
long	get(int index) Returns long element at given index.
int	index() Returns current index of inner long array chunk.
boolean	isEmpty() Tests if this buffer has no elements.
int	offset() Returns the offset of last used element in current inner array chunk.
int	size() Returns buffer size.
long[]	toArray() Creates long array from buffered content.
long[]	toArray(int start, int len) Creates long subarray from buffered content.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FastLongBuffer

public FastLongBuffer()

Creates a new long buffer. The buffer capacity is initially 1024 bytes, though its size increases if necessary.

FastLongBuffer

public FastLongBuffer(int size)

Creates a new long buffer, with a buffer capacity of the specified size, in bytes.

Parameters:

size - the initial size.

Throws:

java.lang.IllegalArgumentException - if size is negative.

Method Detail

append

public FastLongBuffer append(long[] array,
                    int off,
                    int len)

Appends long array to buffer.

append

public FastLongBuffer append(long[] array)

Appends long array to buffer.

append

public FastLongBuffer append(long element)

Appends single long to buffer.

append

public FastLongBuffer append(FastLongBuffer buff)

Appends another fast buffer to this one.

size

public int size()

Returns buffer size.

isEmpty

public boolean isEmpty()

Tests if this buffer has no elements.

index

public int index()

Returns current index of inner long array chunk. Represents the index of last used inner array chunk.

offset

public int offset()

Returns the offset of last used element in current inner array chunk.

array

public long[] array(int index)

Returns long inner array chunk at given index. May be used for iterating inner chunks in fast manner.

clear

public void clear()

Resets the buffer content.

toArray

public long[] toArray()

Creates long array from buffered content.

toArray

public long[] toArray(int start,
             int len)

Creates long subarray from buffered content.

get

public long get(int index)

Returns long element at given index.