Package org.qubership.atp.dataset.model.utils.tree

Class AllRefsIterator<T>

java.lang.Object

com.google.common.collect.UnmodifiableIterator<T>

com.google.common.collect.AbstractIterator<T>

org.qubership.atp.dataset.model.utils.tree.AllRefsIterator<T>

All Implemented Interfaces:

Iterator<T>

Direct Known Subclasses:

RefsVisitor

public abstract class AllRefsIterator<T>
extends com.google.common.collect.AbstractIterator<T>

Takes parents in form of iterator. Iterates over parents themselves plus over it's children, returned by getChildren(Object). Omits nulls and duplicates. May be used to traverse a tree.

Constructor Summary

Constructors

Modifier	Constructor	Description
	AllRefsIterator(Iterator<? extends T> parents, boolean omitDuplicates)	See AllRefsIterator.
protected	AllRefsIterator(Iterator<? extends T> parents, Predicate<T> itemsFilter)

Method Summary

Modifier and Type	Method	Description
protected void	backToPreviousParent()
protected T	computeNext()
protected void	forwardToNewParent(T parent)
protected abstract Iterator<? extends T>	getChildren(T parent)

Methods inherited from class com.google.common.collect.AbstractIterator

endOfData, hasNext, next, peek

Methods inherited from class com.google.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Details

AllRefsIterator

public AllRefsIterator(@Nonnull
 Iterator<? extends T> parents,
 boolean omitDuplicates)

See AllRefsIterator.

AllRefsIterator

protected AllRefsIterator(@Nonnull
 Iterator<? extends T> parents,
 Predicate<T> itemsFilter)

Method Details

computeNext

protected T computeNext()

Specified by:

computeNext in class com.google.common.collect.AbstractIterator<T>

getChildren

@Nullable
protected abstract Iterator<? extends T> getChildren(@Nonnull
 T parent)

forwardToNewParent

protected void forwardToNewParent(T parent)

backToPreviousParent

protected void backToPreviousParent()