public class ParentToChildrenAggregator extends SingleBucketAggregator
Modifier and Type | Class and Description |
---|---|
static class |
ParentToChildrenAggregator.Factory |
Aggregator.Parser, Aggregator.SubAggCollectionMode
collectableSubAggregators, context, name, parent, subAggregators
NO_OP_COLLECTOR
Constructor and Description |
---|
ParentToChildrenAggregator(String name,
AggregatorFactories factories,
AggregationContext aggregationContext,
Aggregator parent,
String parentType,
org.apache.lucene.search.Query childFilter,
org.apache.lucene.search.Query parentFilter,
ValuesSource.Bytes.ParentChild valuesSource,
long maxOrd,
List<PipelineAggregator> pipelineAggregators,
Map<String,Object> metaData) |
Modifier and Type | Method and Description |
---|---|
InternalAggregation |
buildAggregation(long owningBucketOrdinal)
Build an aggregation for data that has been collected into
bucket . |
InternalAggregation |
buildEmptyAggregation()
Build an empty aggregation.
|
protected void |
doClose()
Release instance-specific data.
|
protected void |
doPostCollection()
Can be overriden by aggregator implementation to be called back when the collection phase ends.
|
LeafBucketCollector |
getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx,
LeafBucketCollector sub)
Get a
LeafBucketCollector for the given ctx, which should
delegate to the given collector. |
bucketAggregations, bucketDocCount, bucketEmptyAggregations, close, collectBucket, collectExistingBucket, getDocCounts, grow, incrementBucketDocCount, maxBucketOrd
buildEmptySubAggregations, context, doPreCollection, getDeferringCollector, getLeafCollector, metaData, name, needsScores, parent, pipelineAggregators, postCollection, preCollection, runDeferredCollections, shouldDefer, subAggregator, subAggregators, toString
descendsFromBucketAggregator
wrap
public ParentToChildrenAggregator(String name, AggregatorFactories factories, AggregationContext aggregationContext, Aggregator parent, String parentType, org.apache.lucene.search.Query childFilter, org.apache.lucene.search.Query parentFilter, ValuesSource.Bytes.ParentChild valuesSource, long maxOrd, List<PipelineAggregator> pipelineAggregators, Map<String,Object> metaData) throws IOException
IOException
public InternalAggregation buildAggregation(long owningBucketOrdinal) throws IOException
Aggregator
bucket
.buildAggregation
in class Aggregator
IOException
public InternalAggregation buildEmptyAggregation()
Aggregator
buildEmptyAggregation
in class Aggregator
public LeafBucketCollector getLeafCollector(org.apache.lucene.index.LeafReaderContext ctx, LeafBucketCollector sub) throws IOException
AggregatorBase
LeafBucketCollector
for the given ctx, which should
delegate to the given collector.getLeafCollector
in class AggregatorBase
IOException
protected void doPostCollection() throws IOException
AggregatorBase
doPostCollection
in class AggregatorBase
IOException
protected void doClose()
AggregatorBase
doClose
in class AggregatorBase
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