Package com.googlecode.javaewah32
Class EWAHIterator32
- java.lang.Object
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- com.googlecode.javaewah32.EWAHIterator32
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- All Implemented Interfaces:
java.lang.Cloneable
public final class EWAHIterator32 extends java.lang.Object implements java.lang.CloneableThe class EWAHIterator represents a special type of efficient iterator iterating over (uncompressed) words of bits.- Since:
- 0.5.0
- Author:
- Daniel Lemire
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Constructor Summary
Constructors Constructor Description EWAHIterator32(EWAHCompressedBitmap32 a, int sizeinwords)Instantiates a new eWAH iterator.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description int[]buffer()Access to the array of wordsEWAHIterator32clone()static EWAHIterator32getEWAHIterator(EWAHCompressedBitmap32 bitmap)Allow expert developers to instantiate an EWAHIterator.booleanhasNext()Checks for next.intliteralWords()Position of the literal words represented by this running length word.RunningLengthWord32next()Next running length word.
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Constructor Detail
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EWAHIterator32
public EWAHIterator32(EWAHCompressedBitmap32 a, int sizeinwords)
Instantiates a new eWAH iterator.- Parameters:
a- the array of wordssizeinwords- the number of words that are significant in the array of words
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Method Detail
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getEWAHIterator
public static EWAHIterator32 getEWAHIterator(EWAHCompressedBitmap32 bitmap)
Allow expert developers to instantiate an EWAHIterator.- Parameters:
bitmap- we want to iterate over- Returns:
- an iterator
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buffer
public int[] buffer()
Access to the array of words- Returns:
- the int[]
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literalWords
public int literalWords()
Position of the literal words represented by this running length word.- Returns:
- the int
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hasNext
public boolean hasNext()
Checks for next.- Returns:
- true, if successful
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next
public RunningLengthWord32 next()
Next running length word.- Returns:
- the running length word
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clone
public EWAHIterator32 clone() throws java.lang.CloneNotSupportedException
- Overrides:
clonein classjava.lang.Object- Throws:
java.lang.CloneNotSupportedException
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