Package com.googlecode.javaewah32

Class EWAHIterator32

java.lang.Object
com.googlecode.javaewah32.EWAHIterator32
All Implemented Interfaces:
Cloneable
public final class EWAHIterator32 extends Object implements Cloneable
The class EWAHIterator represents a special type of efficient iterator iterating over (uncompressed) words of bits.
Since:
0.5.0

  • Field Details

    • pointer

      private int pointer
      The pointer represent the location of the current running length word in the array of words (embedded in the rlw attribute).

    • rlw

      final RunningLengthWord32 rlw
      The current running length word.

    • size

      private final int size
      The size in words.

  • Constructor Details

    • EWAHIterator32

      public EWAHIterator32(Buffer32 buffer)
      Instantiates a new eWAH iterator.
      Parameters:
      buffer - the buffer

    • EWAHIterator32

      private EWAHIterator32(int pointer, RunningLengthWord32 rlw, int size)

  • Method Details

    • getEWAHIterator

      public static EWAHIterator32 getEWAHIterator(EWAHCompressedBitmap32 bitmap)
      Allow expert developers to instantiate an EWAHIterator.
      Parameters:
      bitmap - we want to iterate over
      Returns:
      an iterator

    • buffer

      public Buffer32 buffer()
      Access to the buffer
      Returns:
      the buffer

    • literalWords

      public int literalWords()
      Position of the literal words represented by this running length word.
      Returns:
      the int

    • hasNext

      public boolean hasNext()
      Checks for next.
      Returns:
      true, if successful

    • next

      public RunningLengthWord32 next()
      Next running length word.
      Returns:
      the running length word

    • clone

      public EWAHIterator32 clone() throws CloneNotSupportedException
      Overrides:
      clone in class Object
      Throws:
      CloneNotSupportedException