io.kgraph

Class KGraph<K,VV,EV>

java.lang.Object

io.kgraph.KGraph<K,VV,EV>

public class KGraph<K,VV,EV>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KGraph.ApplyEdgeLeftJoinFunction<K,VV,EV,T>
static class	KGraph.ApplyLeftJoinToEdgeValues<K,EV,T>
static class	KGraph.ApplyLeftJoinToEdgeValuesOnEitherSourceOrTarget<K,EV,T>
static class	KGraph.ApplyLeftJoinToVertexValues<K,VV,T>
static class	KGraph.ApplyNeighborLeftJoinFunction<K,VV,EV,T>
static class	KGraph.CountNeighborsLeftJoin<K,VV,EV>
static class	KGraph.EmitSrcAndTarget<K,VV,EV>
static class	KGraph.UndirectEdges<K,EV>

Constructor Summary

Constructors

Constructor and Description
KGraph(org.apache.kafka.streams.kstream.KTable<K,VV> vertices, org.apache.kafka.streams.kstream.KTable<Edge<K>,EV> edges, GraphSerialized<K,VV,EV> serialized)

Method Summary

Modifier and Type	Method and Description
org.apache.kafka.streams.kstream.KTable<Edge<K>,EV>	edges()
org.apache.kafka.streams.kstream.KStream<K,EdgeWithValue<K,EV>>	edgesBySource()
org.apache.kafka.streams.kstream.KStream<K,EdgeWithValue<K,EV>>	edgesByTarget()
org.apache.kafka.streams.kstream.KTable<K,Iterable<EdgeWithValue<K,EV>>>	edgesGroupedBySource()
org.apache.kafka.streams.kstream.KTable<K,Iterable<EdgeWithValue<K,EV>>>	edgesGroupedByTarget()
org.apache.kafka.common.serialization.Serde<EV>	edgeValueSerde()
KGraph<K,VV,EV>	filterOnEdges(org.apache.kafka.streams.kstream.Predicate<Edge<K>,EV> edgeFilter)
KGraph<K,VV,EV>	filterOnVertices(org.apache.kafka.streams.kstream.Predicate<K,VV> vertexFilter)
static <K,VV,EV> KGraph<K,VV,EV>	fromEdges(org.apache.kafka.streams.kstream.KTable<Edge<K>,EV> edges, org.apache.kafka.streams.kstream.ValueMapper<K,VV> vertexValueInitializer, GraphSerialized<K,VV,EV> serialized)
static String	generateStoreName()
<T> org.apache.kafka.streams.kstream.KTable<K,T>	groupReduceOnEdges(EdgesFunctionWithVertexValue<K,VV,EV,T> edgesFunction, EdgeDirection direction)
<T> org.apache.kafka.streams.kstream.KTable<K,T>	groupReduceOnNeighbors(NeighborsFunctionWithVertexValue<K,VV,EV,T> neighborsFunction, EdgeDirection direction)
org.apache.kafka.streams.kstream.KTable<K,Long>	inDegrees()
<T> KGraph<K,VV,EV>	joinWithEdges(org.apache.kafka.streams.kstream.KTable<Edge<K>,T> inputDataSet, EdgeJoinFunction<EV,T> edgeJoinFunction)
<T> KGraph<K,VV,EV>	joinWithEdgesOnSource(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet, EdgeJoinFunction<EV,T> edgeJoinFunction)
<T> KGraph<K,VV,EV>	joinWithEdgesOnTarget(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet, EdgeJoinFunction<EV,T> edgeJoinFunction)
<T> KGraph<K,VV,EV>	joinWithVertices(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet, VertexJoinFunction<VV,T> vertexJoinFunction)
org.apache.kafka.common.serialization.Serde<K>	keySerde()
<NV> KGraph<K,VV,NV>	mapEdges(org.apache.kafka.streams.kstream.ValueMapperWithKey<Edge<K>,EV,NV> mapper, org.apache.kafka.common.serialization.Serde<NV> newEdgeValueSerde)
<NV> KGraph<K,NV,EV>	mapVertices(org.apache.kafka.streams.kstream.ValueMapperWithKey<K,VV,NV> mapper, org.apache.kafka.common.serialization.Serde<NV> newVertexValueSerde)
org.apache.kafka.streams.kstream.KTable<K,Long>	outDegrees()
org.apache.kafka.streams.kstream.KTable<K,EV>	reduceOnEdges(org.apache.kafka.streams.kstream.Reducer<EV> reducer, EdgeDirection direction)
org.apache.kafka.streams.kstream.KTable<K,VV>	reduceOnNeighbors(org.apache.kafka.streams.kstream.Reducer<VV> reducer, EdgeDirection direction)
GraphSerialized<K,VV,EV>	serialized()
KGraph<K,VV,EV>	subgraph(org.apache.kafka.streams.kstream.Predicate<K,VV> vertexFilter, org.apache.kafka.streams.kstream.Predicate<Edge<K>,EV> edgeFilter)
KGraph<K,VV,EV>	undirected()
org.apache.kafka.common.serialization.Serde<VV>	vertexValueSerde()
org.apache.kafka.streams.kstream.KTable<K,VV>	vertices()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KGraph

public KGraph(org.apache.kafka.streams.kstream.KTable<K,VV> vertices,
              org.apache.kafka.streams.kstream.KTable<Edge<K>,EV> edges,
              GraphSerialized<K,VV,EV> serialized)

Method Detail

vertices

public org.apache.kafka.streams.kstream.KTable<K,VV> vertices()

edges

public org.apache.kafka.streams.kstream.KTable<Edge<K>,EV> edges()

serialized

public GraphSerialized<K,VV,EV> serialized()

keySerde

public org.apache.kafka.common.serialization.Serde<K> keySerde()

vertexValueSerde

public org.apache.kafka.common.serialization.Serde<VV> vertexValueSerde()

edgeValueSerde

public org.apache.kafka.common.serialization.Serde<EV> edgeValueSerde()

edgesBySource

public org.apache.kafka.streams.kstream.KStream<K,EdgeWithValue<K,EV>> edgesBySource()

edgesByTarget

public org.apache.kafka.streams.kstream.KStream<K,EdgeWithValue<K,EV>> edgesByTarget()

edgesGroupedBySource

public org.apache.kafka.streams.kstream.KTable<K,Iterable<EdgeWithValue<K,EV>>> edgesGroupedBySource()

edgesGroupedByTarget

public org.apache.kafka.streams.kstream.KTable<K,Iterable<EdgeWithValue<K,EV>>> edgesGroupedByTarget()

fromEdges

public static <K,VV,EV> KGraph<K,VV,EV> fromEdges(org.apache.kafka.streams.kstream.KTable<Edge<K>,EV> edges,
                                                  org.apache.kafka.streams.kstream.ValueMapper<K,VV> vertexValueInitializer,
                                                  GraphSerialized<K,VV,EV> serialized)

mapVertices

public <NV> KGraph<K,NV,EV> mapVertices(org.apache.kafka.streams.kstream.ValueMapperWithKey<K,VV,NV> mapper,
                                        org.apache.kafka.common.serialization.Serde<NV> newVertexValueSerde)

mapEdges

public <NV> KGraph<K,VV,NV> mapEdges(org.apache.kafka.streams.kstream.ValueMapperWithKey<Edge<K>,EV,NV> mapper,
                                     org.apache.kafka.common.serialization.Serde<NV> newEdgeValueSerde)

joinWithVertices

public <T> KGraph<K,VV,EV> joinWithVertices(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet,
                                            VertexJoinFunction<VV,T> vertexJoinFunction)

joinWithEdges

public <T> KGraph<K,VV,EV> joinWithEdges(org.apache.kafka.streams.kstream.KTable<Edge<K>,T> inputDataSet,
                                         EdgeJoinFunction<EV,T> edgeJoinFunction)

joinWithEdgesOnSource

public <T> KGraph<K,VV,EV> joinWithEdgesOnSource(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet,
                                                 EdgeJoinFunction<EV,T> edgeJoinFunction)

joinWithEdgesOnTarget

public <T> KGraph<K,VV,EV> joinWithEdgesOnTarget(org.apache.kafka.streams.kstream.KTable<K,T> inputDataSet,
                                                 EdgeJoinFunction<EV,T> edgeJoinFunction)

subgraph

public KGraph<K,VV,EV> subgraph(org.apache.kafka.streams.kstream.Predicate<K,VV> vertexFilter,
                                org.apache.kafka.streams.kstream.Predicate<Edge<K>,EV> edgeFilter)

filterOnVertices

public KGraph<K,VV,EV> filterOnVertices(org.apache.kafka.streams.kstream.Predicate<K,VV> vertexFilter)

filterOnEdges

public KGraph<K,VV,EV> filterOnEdges(org.apache.kafka.streams.kstream.Predicate<Edge<K>,EV> edgeFilter)

outDegrees

public org.apache.kafka.streams.kstream.KTable<K,Long> outDegrees()

inDegrees

public org.apache.kafka.streams.kstream.KTable<K,Long> inDegrees()

undirected

public KGraph<K,VV,EV> undirected()

groupReduceOnEdges

public <T> org.apache.kafka.streams.kstream.KTable<K,T> groupReduceOnEdges(EdgesFunctionWithVertexValue<K,VV,EV,T> edgesFunction,
                                                                           EdgeDirection direction)
                                                                    throws IllegalArgumentException

Throws:

IllegalArgumentException

groupReduceOnNeighbors

public <T> org.apache.kafka.streams.kstream.KTable<K,T> groupReduceOnNeighbors(NeighborsFunctionWithVertexValue<K,VV,EV,T> neighborsFunction,
                                                                               EdgeDirection direction)
                                                                        throws IllegalArgumentException

Throws:

IllegalArgumentException

reduceOnEdges

public org.apache.kafka.streams.kstream.KTable<K,EV> reduceOnEdges(org.apache.kafka.streams.kstream.Reducer<EV> reducer,
                                                                   EdgeDirection direction)
                                                            throws IllegalArgumentException

Throws:

IllegalArgumentException

reduceOnNeighbors

public org.apache.kafka.streams.kstream.KTable<K,VV> reduceOnNeighbors(org.apache.kafka.streams.kstream.Reducer<VV> reducer,
                                                                       EdgeDirection direction)
                                                                throws IllegalArgumentException

Throws:

IllegalArgumentException

generateStoreName

public static String generateStoreName()