Class EWAHIterator

java.lang.Object
com.googlecode.javaewah.EWAHIterator
All Implemented Interfaces:
Cloneable

public final class EWAHIterator extends Object implements Cloneable
The class EWAHIterator represents a special type of efficient iterator iterating over (uncompressed) words of bits. It is not meant for end users.
Since:
0.1.0
  • 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 RunningLengthWord rlw
      The current running length word.
    • size

      private final int size
      The size in words.
  • Constructor Details

    • EWAHIterator

      public EWAHIterator(Buffer buffer)
      Instantiates a new EWAH iterator.
      Parameters:
      buffer - the buffer
    • EWAHIterator

      private EWAHIterator(int pointer, RunningLengthWord rlw, int size)
  • Method Details

    • getEWAHIterator

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

      public Buffer 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 RunningLengthWord next()
      Next running length word.
      Returns:
      the running length word
    • clone

      Overrides:
      clone in class Object
      Throws:
      CloneNotSupportedException