Package org.neo4j.gds.core.loading
Class RelationshipPropertiesBatchBuffer
- java.lang.Object
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- org.neo4j.gds.core.loading.RelationshipPropertiesBatchBuffer
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- All Implemented Interfaces:
RelationshipImporter.PropertyReader
public class RelationshipPropertiesBatchBuffer extends java.lang.Object implements RelationshipImporter.PropertyReader
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Constructor Summary
Constructors Constructor Description RelationshipPropertiesBatchBuffer(int batchSize, int propertyCount)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
add(int relationshipId, int propertyKeyId, double property)
long[][]
readProperty(long[] relationshipReferences, org.neo4j.gds.compat.PropertyReference[] propertyReferences, int numberOfReferences, int[] propertyKeyIds, double[] defaultValues, Aggregation[] aggregations, boolean atLeastOnePropertyToLoad)
Load the relationship properties for the given batch of relationships.
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Method Detail
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add
public void add(int relationshipId, int propertyKeyId, double property)
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readProperty
public long[][] readProperty(long[] relationshipReferences, org.neo4j.gds.compat.PropertyReference[] propertyReferences, int numberOfReferences, int[] propertyKeyIds, double[] defaultValues, Aggregation[] aggregations, boolean atLeastOnePropertyToLoad)
Description copied from interface:RelationshipImporter.PropertyReader
Load the relationship properties for the given batch of relationships. Relationships are represented as two arrays from theRelationshipsBatchBuffer
.- Specified by:
readProperty
in interfaceRelationshipImporter.PropertyReader
- Parameters:
relationshipReferences
- relationship references (IDs)propertyReferences
- property references (IDs or References)numberOfReferences
- number of valid entries in the first two arrayspropertyKeyIds
- property key ids to loaddefaultValues
- default weight for each property keyaggregations
- the aggregation for each propertyatLeastOnePropertyToLoad
- true iff there is at least one value inpropertyKeyIds
that is notStatementConstants.NO_SUCH_PROPERTY_KEY
(-1).- Returns:
- list of property values per relationship property id
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