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org.embl.ebi.escience.baclava
Class JoinIterator  

java.lang.Object
  org.embl.ebi.escience.baclava.JoinIterator

All Implemented Interfaces:

java.util.Iterator

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public class JoinIterator

extends java.lang.Object

implements java.util.Iterator

Provides an Iterator that iterates over the orthogonal join of a set of BaclavaIterator instances.

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Field Summary
private  java.lang.Object[]	currentState
private  boolean	emptyIterator
private  boolean	initialized
private  BaclavaIterator[]	iterators
private  boolean	nextState

 

Constructor Summary

JoinIterator(BaclavaIterator[] b)           The iterator is constructed with an array of BaclavaIterator instances and creates an iterator that iterates over the orthogonal join of this set, where the iterator at position 0 in the array is regarded as the outermost one

 

Method Summary
boolean	hasNext()           The join has next if any iterator within it has a next value of true
java.lang.Object	next()           Get an array of objects corresponding to the current next state of the join of the member iterators
void	remove()           Calls to the remove operation are not allowed from this iterator

 

Methods inherited from class java.lang.Object

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

 

Field Detail

emptyIterator

private boolean emptyIterator

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iterators

private BaclavaIterator[] iterators

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nextState

private boolean nextState

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currentState

private java.lang.Object[] currentState

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initialized

private boolean initialized

Constructor Detail

JoinIterator

public JoinIterator(BaclavaIterator[] b)

The iterator is constructed with an array of BaclavaIterator instances and creates an iterator that iterates over the orthogonal join of this set, where the iterator at position 0 in the array is regarded as the outermost one

Method Detail

hasNext

public boolean hasNext()

The join has next if any iterator within it has a next value of true

Specified by:

hasNext in interface java.util.Iterator

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remove

public void remove()
            throws java.lang.UnsupportedOperationException

Calls to the remove operation are not allowed from this iterator

Specified by:

remove in interface java.util.Iterator

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next

public java.lang.Object next()
                      throws java.util.NoSuchElementException

Get an array of objects corresponding to the current next state of the join of the member iterators

Specified by:

next in interface java.util.Iterator

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> embl >> ebi >> escience >> [ baclava overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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