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java.lang.Object org.apache.lucene.search.suggest.DocumentDictionary.DocumentInputIterator
protected class DocumentDictionary.DocumentInputIterator
Implements InputIterator
from stored fields.
Nested Class Summary |
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Nested classes/interfaces inherited from interface org.apache.lucene.search.suggest.InputIterator |
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InputIterator.InputIteratorWrapper |
Field Summary |
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Fields inherited from interface org.apache.lucene.search.suggest.InputIterator |
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EMPTY |
Constructor Summary | |
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DocumentDictionary.DocumentInputIterator(boolean hasPayloads)
Creates an iterator over term, weight and payload fields from the lucene index. |
Method Summary | |
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Comparator<BytesRef> |
getComparator()
|
protected long |
getWeight(Document doc,
int docId)
Returns the value of the weightField for the current document. |
boolean |
hasPayloads()
Returns true if the iterator has payloads |
BytesRef |
next()
|
BytesRef |
payload()
An arbitrary byte[] to record per suggestion. |
long |
weight()
A term's weight, higher numbers mean better suggestions. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DocumentDictionary.DocumentInputIterator(boolean hasPayloads) throws IOException
withPayload
to false, implies an iterator
over only term and weight.
IOException
Method Detail |
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public long weight()
InputIterator
weight
in interface InputIterator
public Comparator<BytesRef> getComparator()
getComparator
in interface BytesRefIterator
public BytesRef next() throws IOException
next
in interface BytesRefIterator
IOException
public BytesRef payload()
InputIterator
Lookup.LookupResult.payload
to retrieve the payload
for each suggestion.
payload
in interface InputIterator
public boolean hasPayloads()
InputIterator
hasPayloads
in interface InputIterator
protected long getWeight(Document doc, int docId)
weightField
for the current document.
Retrieves the value for the weightField
if its stored (using doc
)
or if its indexed as NumericDocValues
(using docId
) for the document.
If no value is found, then the weight is 0.
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