SequenceLog64 (HDT Java Core 2.1 API)

java.lang.Object
- org.rdfhdt.hdt.compact.sequence.SequenceLog64

All Implemented Interfaces:

Closeable, AutoCloseable, DynamicSequence, Sequence
```
public class SequenceLog64
extends Object
implements DynamicSequence
```
Author:

mario.arias

Field Summary

Fields
Modifier and Type Field and Description

protected long[] data

protected long maxvalue

protected int numbits

protected long numentries

protected static byte W

Fields
Modifier and Type	Field and Description
`protected long[]`	`data`
`protected long`	`maxvalue`
`protected int`	`numbits`
`protected long`	`numentries`
`protected static byte`	`W`

Constructor Summary

Constructors
Constructor and Description
`SequenceLog64()`
`SequenceLog64(int numbits)`
`SequenceLog64(int numbits, long capacity)`
`SequenceLog64(int numbits, long capacity, boolean initialize)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add(Iterator<Long> elements)` Adds an element to the array
`void`	`addIntegers(List<Integer> elements)`
`void`	`aggressiveTrimToSize()` Trim the internal data structure to fit the actual number of elements.
`void`	`append(long value)` Append a new value after the last position, increasing the number of elements by one.
`long`	`binSearch(long element, long fromIndex, long toIndex)`
`long`	`binSearchExact(long element, long begin, long end)`
`void`	`close()`
`long`	`get(long position)` Gets the element in a specific position
`long`	`getNumberOfElements()` Gets the total number of elements in the array
`int`	`getNumBits()`
`long`	`getRealSize()`
`String`	`getType()` Type identifier of this Stream.
`static int`	`lastWordNumBits(int bitsField, long total)` Number of bits required for last word
`static int`	`lastWordNumBytes(int bitsField, long total)` Number of bits required for last word
`void`	`load(InputStream input, ProgressListener listener)` Loads a array from an InputStream
`static long`	`numBytesFor(int bitsField, long total)` Number of bytes required to represent n integers of e bits each
`static long`	`numWordsFor(int bitsField, long total)` longs required to represent "total" integers of "bitsField" bits each
`void`	`resize(long numentries)`
`void`	`save(OutputStream output, ProgressListener listener)` Saves the array to an OutputStream
`void`	`set(long position, long value)` Set a new value at the specified position.
`long`	`size()` Return the size of the data structure in bytes
`void`	`trimToSize()` Trim the internal data structure to fit the actual number of elements.

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

- Field Detail
  - W
```
protected static final byte W
```
    See Also:
    
    Constant Field Values
  - data
```
protected long[] data
```
  - numbits
```
protected int numbits
```
  - numentries
```
protected long numentries
```
  - maxvalue
```
protected long maxvalue
```
- Constructor Detail
  - SequenceLog64
```
public SequenceLog64()
```
  - SequenceLog64
```
public SequenceLog64(int numbits)
```
  - SequenceLog64
```
public SequenceLog64(int numbits,
                     long capacity)
```
  - SequenceLog64
```
public SequenceLog64(int numbits,
                     long capacity,
                     boolean initialize)
```
- Method Detail
  - numWordsFor
```
public static long numWordsFor(int bitsField,
                               long total)
```
    longs required to represent "total" integers of "bitsField" bits each
  - lastWordNumBits
```
public static int lastWordNumBits(int bitsField,
                                  long total)
```
    Number of bits required for last word
  - lastWordNumBytes
```
public static int lastWordNumBytes(int bitsField,
                                   long total)
```
    Number of bits required for last word
  - numBytesFor
```
public static long numBytesFor(int bitsField,
                               long total)
```
    Number of bytes required to represent n integers of e bits each
  - add
```
public void add(Iterator<Long> elements)
```
    Description copied from interface: Sequence
    
    Adds an element to the array
    
    Specified by:
    
    add in interface Sequence
  - addIntegers
```
public void addIntegers(List<Integer> elements)
```
  - get
```
public long get(long position)
```
    Description copied from interface: Sequence
    
    Gets the element in a specific position
    
    Specified by:
    
    get in interface Sequence
    
    Parameters:
    
    position - The position of the element to be returned
    
    Returns:
    
    int
  - set
```
public void set(long position,
                long value)
```
    Description copied from interface: DynamicSequence
    
    Set a new value at the specified position.
    
    Specified by:
    
    set in interface DynamicSequence
  - append
```
public void append(long value)
```
    Description copied from interface: DynamicSequence
    
    Append a new value after the last position, increasing the number of elements by one.
    
    Specified by:
    
    append in interface DynamicSequence
  - aggressiveTrimToSize
```
public void aggressiveTrimToSize()
```
    Description copied from interface: DynamicSequence
    
    Trim the internal data structure to fit the actual number of elements. Use advanced algorithm to reduce the size to the minimum, even if it is costly.
    
    Specified by:
    
    aggressiveTrimToSize in interface DynamicSequence
  - trimToSize
```
public void trimToSize()
```
    Description copied from interface: DynamicSequence
    
    Trim the internal data structure to fit the actual number of elements.
    
    Specified by:
    
    trimToSize in interface DynamicSequence
  - resize
```
public void resize(long numentries)
```
  - getNumberOfElements
```
public long getNumberOfElements()
```
    Description copied from interface: Sequence
    
    Gets the total number of elements in the array
    
    Specified by:
    
    getNumberOfElements in interface Sequence
    
    Returns:
    
    int
  - save
```
public void save(OutputStream output,
                 ProgressListener listener)
          throws IOException
```
    Description copied from interface: Sequence
    
    Saves the array to an OutputStream
    
    Specified by:
    
    save in interface Sequence
    
    Parameters:
    
    output - The OutputStream to be saved to
    
    Throws:
    
    IOException
  - load
```
public void load(InputStream input,
                 ProgressListener listener)
          throws IOException
```
    Description copied from interface: Sequence
    
    Loads a array from an InputStream
    
    Specified by:
    
    load in interface Sequence
    
    Parameters:
    
    input - The InputStream to load from
    
    Throws:
    
    IOException
  - size
```
public long size()
```
    Description copied from interface: Sequence
    
    Return the size of the data structure in bytes
    
    Specified by:
    
    size in interface Sequence
    
    Returns:
  - getRealSize
```
public long getRealSize()
```
  - getNumBits
```
public int getNumBits()
```
  - getType
```
public String getType()
```
    Description copied from interface: Sequence
    
    Type identifier of this Stream.
    
    Specified by:
    
    getType in interface Sequence
    
    Returns:
  - binSearchExact
```
public long binSearchExact(long element,
                           long begin,
                           long end)
                    throws NotFoundException
```
    Throws:
    
    NotFoundException
  - binSearch
```
public long binSearch(long element,
                      long fromIndex,
                      long toIndex)
```
  - close
```
public void close()
           throws IOException
```
    Specified by:
    
    close in interface Closeable
    
    Specified by:
    
    close in interface AutoCloseable
    
    Throws:
    
    IOException

Class SequenceLog64

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

W

data

numbits

numentries

maxvalue

Constructor Detail

SequenceLog64

SequenceLog64

SequenceLog64

SequenceLog64

Method Detail

numWordsFor

lastWordNumBits

lastWordNumBytes

numBytesFor

add

addIntegers

get

set

append

aggressiveTrimToSize

trimToSize

resize

getNumberOfElements

save

load

size

getRealSize

getNumBits

getType

binSearchExact

binSearch

close