com.yahoo.prelude.fastsearch

Class FastHit.SummaryData.SummaryDataIterator<VALUE>

java.lang.Object

com.yahoo.prelude.fastsearch.FastHit.SummaryData.SummaryDataIterator<VALUE>

All Implemented Interfaces:

Iterator<VALUE>

Direct Known Subclasses:

FastHit.SummaryData.SummaryDataFieldIterator, FastHit.SummaryData.SummaryDataFieldNameIterator

Enclosing class:

FastHit.SummaryData

private abstract static class FastHit.SummaryData.SummaryDataIterator<VALUE>
extends Object
implements Iterator<VALUE>

Abstract superclass of iterators over SummaryData content which takes care of skipping unknown, removed and already returned fields. Read only.

Field Summary

Fields

Modifier and Type	Field and Description
private Iterator<Map.Entry<String,com.yahoo.data.access.Inspector>>	fieldIterator
private VALUE	next The next value or null if none, eagerly read because we need to skip removed and overwritten values
private FastHit.SummaryData	summaryData

Constructor Summary

Constructors

Constructor and Description
SummaryDataIterator(FastHit.SummaryData summaryData, Iterator<Map.Entry<String,com.yahoo.data.access.Inspector>> fieldIterator)

Method Summary

Modifier and Type	Method and Description
protected void	advanceNext()
boolean	hasNext()
VALUE	next()
protected abstract VALUE	toValue(Map.Entry<String,com.yahoo.data.access.Inspector> field)

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, remove

Field Detail

summaryData

private final FastHit.SummaryData summaryData

fieldIterator

private final Iterator<Map.Entry<String,com.yahoo.data.access.Inspector>> fieldIterator

next

private VALUE next

The next value or null if none, eagerly read because we need to skip removed and overwritten values

Constructor Detail

SummaryDataIterator

SummaryDataIterator(FastHit.SummaryData summaryData,
                    Iterator<Map.Entry<String,com.yahoo.data.access.Inspector>> fieldIterator)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<VALUE>

next

public VALUE next()

Specified by:

next in interface Iterator<VALUE>

toValue

protected abstract VALUE toValue(Map.Entry<String,com.yahoo.data.access.Inspector> field)

advanceNext

protected void advanceNext()