Package com.googlecode.javaewah32

Class IntBufferWrapper

  • All Implemented Interfaces:
    Buffer32, java.lang.Cloneable
    final class IntBufferWrapper
extends java.lang.Object
implements Buffer32, java.lang.Cloneable
    java.nio.IntBuffer wrapper. Users should not be concerned by this class.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private int actualSizeInWords
      The actual size in words.
      private java.nio.IntBuffer buffer
      The buffer

    • Constructor Summary

      Constructors 
      Constructor Description
      IntBufferWrapper​(java.nio.IntBuffer buffer)  
      IntBufferWrapper​(java.nio.IntBuffer slice, int sizeInWords)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void andLastWord​(int mask)
      Replaces the last word position in the buffer with its bitwise-and with the given mask.
      void andWord​(int position, int 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
      IntBufferWrapper 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.
      int getLastWord()
      Returns the last word of the buffer
      int 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​(Buffer32 buffer, int start, int number)
      Same as push_back, but the words are negated.
      void orLastWord​(int mask)
      Replaces the last word position in the buffer with its bitwise-or with the given mask.
      void orWord​(int position, int mask)
      Replaces the word at the given position in the buffer with its bitwise-or with the given mask.
      void push_back​(int word)
      Appends the specified word to the end of the buffer
      void push_back​(Buffer32 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​(int word)
      Replaces the last word in the buffer with the specified word.
      void setWord​(int position, int 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​(Buffer32 other)
      Swap the content of the buffer with another.
      void trim()
      Reduces the internal buffer to its minimal allowable size.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • actualSizeInWords

        private int actualSizeInWords
        The actual size in words.

      • buffer

        private java.nio.IntBuffer buffer
        The buffer

    • Constructor Detail

      • IntBufferWrapper

        public IntBufferWrapper​(java.nio.IntBuffer buffer)

      • IntBufferWrapper

        public IntBufferWrapper​(java.nio.IntBuffer slice,
                        int sizeInWords)

    • Method Detail

      • sizeInWords

        public int sizeInWords()
        Description copied from interface: Buffer32
        Returns the actual size in words
        Specified by:
        sizeInWords in interface Buffer32

      • ensureCapacity

        public void ensureCapacity​(int capacity)
        Description copied from interface: Buffer32
        Increases the size of the buffer if necessary
        Specified by:
        ensureCapacity in interface Buffer32

      • getWord

        public int getWord​(int position)
        Description copied from interface: Buffer32
        Returns the word at a given position
        Specified by:
        getWord in interface Buffer32
        Returns:
        the word

      • getLastWord

        public int getLastWord()
        Description copied from interface: Buffer32
        Returns the last word of the buffer
        Specified by:
        getLastWord in interface Buffer32
        Returns:
        the last word

      • clear

        public void clear()
        Description copied from interface: Buffer32
        Resets the buffer The buffer is not fully cleared and any new set operations should overwrite stale data
        Specified by:
        clear in interface Buffer32

      • trim

        public void trim()
        Description copied from interface: Buffer32
        Reduces the internal buffer to its minimal allowable size. This can free memory.
        Specified by:
        trim in interface Buffer32

      • setWord

        public void setWord​(int position,
                    int word)
        Description copied from interface: Buffer32
        Replaces the word at the given position in the buffer with the specified word.
        Specified by:
        setWord in interface Buffer32

      • setLastWord

        public void setLastWord​(int word)
        Description copied from interface: Buffer32
        Replaces the last word in the buffer with the specified word.
        Specified by:
        setLastWord in interface Buffer32

      • push_back

        public void push_back​(int word)
        Description copied from interface: Buffer32
        Appends the specified word to the end of the buffer
        Specified by:
        push_back in interface Buffer32

      • push_back

        public void push_back​(Buffer32 buffer,
                      int start,
                      int number)
        Description copied from interface: Buffer32
        Appends the specified buffer words to the end of the buffer.
        Specified by:
        push_back in interface Buffer32
        Parameters:
        buffer - the buffer
        start - the position of the first word to add
        number - the number of words to add

      • negative_push_back

        public void negative_push_back​(Buffer32 buffer,
                               int start,
                               int number)
        Description copied from interface: Buffer32
        Same as push_back, but the words are negated.
        Specified by:
        negative_push_back in interface Buffer32
        Parameters:
        buffer - the buffer
        start - the position of the first word to add
        number - the number of words to add

      • removeLastWord

        public void removeLastWord()
        Description copied from interface: Buffer32
        Removes the last word from the buffer
        Specified by:
        removeLastWord in interface Buffer32

      • negateWord

        public void negateWord​(int position)
        Description copied from interface: Buffer32
        Negates the word at the given position in the buffer
        Specified by:
        negateWord in interface Buffer32

      • andWord

        public void andWord​(int position,
                    int mask)
        Description copied from interface: Buffer32
        Replaces the word at the given position in the buffer with its bitwise-and with the given mask.
        Specified by:
        andWord in interface Buffer32

      • orWord

        public void orWord​(int position,
                   int mask)
        Description copied from interface: Buffer32
        Replaces the word at the given position in the buffer with its bitwise-or with the given mask.
        Specified by:
        orWord in interface Buffer32

      • andLastWord

        public void andLastWord​(int mask)
        Description copied from interface: Buffer32
        Replaces the last word position in the buffer with its bitwise-and with the given mask.
        Specified by:
        andLastWord in interface Buffer32

      • orLastWord

        public void orLastWord​(int mask)
        Description copied from interface: Buffer32
        Replaces the last word position in the buffer with its bitwise-or with the given mask.
        Specified by:
        orLastWord in interface Buffer32

      • expand

        public void expand​(int position,
                   int length)
        Description copied from interface: Buffer32
        Expands the buffer by adding the given number of words at the given position. The added words may contain stale data.
        Specified by:
        expand in interface Buffer32
        Parameters:
        position - the position of the buffer where to add words
        length - the number of words to add

      • collapse

        public void collapse​(int position,
                     int length)
        Description copied from interface: Buffer32
        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.
        Specified by:
        collapse in interface Buffer32
        Parameters:
        position - the position of the buffer where to add words
        length - the number of words to add

      • clone

        public IntBufferWrapper clone()
                       throws java.lang.CloneNotSupportedException
        Description copied from interface: Buffer32
        Creates and returns a copy of the buffer
        Specified by:
        clone in interface Buffer32
        Overrides:
        clone in class java.lang.Object
        Throws:
        java.lang.CloneNotSupportedException

      • swap

        public void swap​(Buffer32 other)
        Description copied from interface: Buffer32
        Swap the content of the buffer with another.
        Specified by:
        swap in interface Buffer32
        Parameters:
        other - buffer to swap with