public abstract class NormsFormat extends Object
Modifier and Type | Method and Description |
---|---|
abstract DocValuesConsumer |
normsConsumer(SegmentWriteState state)
Returns a
DocValuesConsumer to write norms to the
index. |
abstract DocValuesProducer |
normsProducer(SegmentReadState state)
Returns a
DocValuesProducer to read norms from the index. |
public abstract DocValuesConsumer normsConsumer(SegmentWriteState state) throws IOException
DocValuesConsumer
to write norms to the
index.IOException
public abstract DocValuesProducer normsProducer(SegmentReadState state) throws IOException
DocValuesProducer
to read norms from the index.
NOTE: by the time this call returns, it must hold open any files it will need to use; else, those files may be deleted. Additionally, required files may be deleted during the execution of this call before there is a chance to open them. Under these circumstances an IOException should be thrown by the implementation. IOExceptions are expected and will automatically cause a retry of the segment opening logic with the newly revised segments.
IOException
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