Class DeferringBucketCollector
java.lang.Object
org.elasticsearch.search.aggregations.BucketCollector
org.elasticsearch.search.aggregations.bucket.DeferringBucketCollector
- All Implemented Interfaces:
org.apache.lucene.search.Collector
- Direct Known Subclasses:
BestBucketsDeferringCollector
,BestDocsDeferringCollector
public abstract class DeferringBucketCollector extends BucketCollector
A
BucketCollector
that records collected doc IDs and buckets and
allows to replay a subset of the collected buckets.-
Nested Class Summary
Nested Classes Modifier and Type Class Description protected class
DeferringBucketCollector.WrappedAggregator
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Field Summary
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Constructor Summary
Constructors Constructor Description DeferringBucketCollector()
Sole constructor. -
Method Summary
Modifier and Type Method Description abstract void
prepareSelectedBuckets(long... selectedBuckets)
Replay the deferred hits on the selected buckets.abstract void
setDeferredCollector(java.lang.Iterable<BucketCollector> deferredCollectors)
Set the deferred collectors.Aggregator
wrap(Aggregator in)
Wrap the provided aggregator so that it behaves (almost) as if it had been collected directly.Methods inherited from class org.elasticsearch.search.aggregations.BucketCollector
getLeafCollector, preCollection
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Constructor Details
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DeferringBucketCollector
public DeferringBucketCollector()Sole constructor.
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Method Details
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setDeferredCollector
Set the deferred collectors. -
prepareSelectedBuckets
public abstract void prepareSelectedBuckets(long... selectedBuckets) throws java.io.IOExceptionReplay the deferred hits on the selected buckets.- Throws:
java.io.IOException
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wrap
Wrap the provided aggregator so that it behaves (almost) as if it had been collected directly.
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