Interface Buffer

All Known Implementing Classes:
LongArray, LongBufferWrapper
interface Buffer
Buffer interface. Users should not be concerned by this class.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    andLastWord(long mask)
    Replaces the last word position in the buffer with its bitwise-and with the given mask.
    void
    andWord(int position, long mask)
    Replaces the word at the given position in the buffer with its bitwise-and with the given mask.
    void
    clear()
    Resets the buffer The buffer is not fully cleared and any new set operations should overwrite stale data
    Buffer
    clone()
    Creates and returns a copy of the buffer
    void
    collapse(int position, int length)
    Removes a given number of words at the given position in the buffer.
    void
    ensureCapacity(int capacity)
    Increases the size of the buffer if necessary
    void
    expand(int position, int length)
    Expands the buffer by adding the given number of words at the given position.
    long
    getLastWord()
    Returns the last word of the buffer
    long
    getWord(int position)
    Returns the word at a given position
    void
    negateWord(int position)
    Negates the word at the given position in the buffer
    void
    negative_push_back(Buffer buffer, int start, int number)
    Same as push_back, but the words are negated.
    void
    orLastWord(long mask)
    Replaces the last word position in the buffer with its bitwise-or with the given mask.
    void
    orWord(int position, long mask)
    Replaces the word at the given position in the buffer with its bitwise-or with the given mask.
    void
    push_back(long word)
    Appends the specified word to the end of the buffer
    void
    push_back(Buffer buffer, int start, int number)
    Appends the specified buffer words to the end of the buffer.
    void
    removeLastWord()
    Removes the last word from the buffer
    void
    setLastWord(long word)
    Replaces the last word in the buffer with the specified word.
    void
    setWord(int position, long word)
    Replaces the word at the given position in the buffer with the specified word.
    int
    sizeInWords()
    Returns the actual size in words
    void
    swap(Buffer other)
    Swap the content of the buffer with another.
    void
    trim()
    Reduces the internal buffer to its minimal allowable size.

  • Method Details

    • sizeInWords

      int sizeInWords()
      Returns the actual size in words

    • ensureCapacity

      void ensureCapacity(int capacity)
      Increases the size of the buffer if necessary

    • getWord

      long getWord(int position)
      Returns the word at a given position
      Parameters:
      position -
      Returns:
      the word

    • getLastWord

      long getLastWord()
      Returns the last word of the buffer
      Returns:
      the last word

    • clear

      void clear()
      Resets the buffer The buffer is not fully cleared and any new set operations should overwrite stale data

    • trim

      void trim()
      Reduces the internal buffer to its minimal allowable size. This can free memory.

    • setWord

      void setWord(int position, long word)
      Replaces the word at the given position in the buffer with the specified word.
      Parameters:
      position -
      word -

    • setLastWord

      void setLastWord(long word)
      Replaces the last word in the buffer with the specified word.
      Parameters:
      word -

    • push_back

      void push_back(long word)
      Appends the specified word to the end of the buffer
      Parameters:
      word -

    • push_back

      void push_back(Buffer buffer, int start, int number)
      Appends the specified buffer words to the end of the buffer.
      Parameters:
      buffer - the buffer
      start - the position of the first word to add
      number - the number of words to add

    • negative_push_back

      void negative_push_back(Buffer buffer, int start, int number)
      Same as push_back, but the words are negated.
      Parameters:
      buffer - the buffer
      start - the position of the first word to add
      number - the number of words to add

    • removeLastWord

      void removeLastWord()
      Removes the last word from the buffer

    • negateWord

      void negateWord(int position)
      Negates the word at the given position in the buffer
      Parameters:
      position -

    • andWord

      void andWord(int position, long mask)
      Replaces the word at the given position in the buffer with its bitwise-and with the given mask.
      Parameters:
      position -
      mask -

    • orWord

      void orWord(int position, long mask)
      Replaces the word at the given position in the buffer with its bitwise-or with the given mask.
      Parameters:
      position -
      mask -

    • andLastWord

      void andLastWord(long mask)
      Replaces the last word position in the buffer with its bitwise-and with the given mask.
      Parameters:
      mask -

    • orLastWord

      void orLastWord(long mask)
      Replaces the last word position in the buffer with its bitwise-or with the given mask.
      Parameters:
      mask -

    • expand

      void expand(int position, int length)
      Expands the buffer by adding the given number of words at the given position. The added words may contain stale data.
      Parameters:
      position - the position of the buffer where to add words
      length - the number of words to add

    • collapse

      void collapse(int position, int length)
      Removes a given number of words at the given position in the buffer. The freed words at the end of the buffer are properly cleaned.
      Parameters:
      position - the position of the buffer where to add words
      length - the number of words to add

    • clone

      Buffer clone() throws CloneNotSupportedException
      Creates and returns a copy of the buffer
      Throws:
      CloneNotSupportedException

    • swap

      void swap(Buffer other)
      Swap the content of the buffer with another.
      Parameters:
      other - buffer to swap with