Uses of Interface
org.apache.apex.malhar.stream.api.ApexStream

Packages that use ApexStream

Package	Description
org.apache.apex.malhar.stream.api
org.apache.apex.malhar.stream.api.impl

Uses of ApexStream in org.apache.apex.malhar.stream.api

Classes in org.apache.apex.malhar.stream.api with type parameters of type ApexStream

Modifier and Type	Class and Description
class	CompositeStreamTransform<INSTREAM extends ApexStream,OUTSTREAM extends ApexStream> A group of Streams and transforms in between
class	CompositeStreamTransform<INSTREAM extends ApexStream,OUTSTREAM extends ApexStream> A group of Streams and transforms in between

Subinterfaces of ApexStream in org.apache.apex.malhar.stream.api

Modifier and Type	Interface and Description
interface	WindowedStream<T> A stream with windowed transformation

Methods in org.apache.apex.malhar.stream.api with type parameters of type ApexStream

Modifier and Type	Method and Description
<O,INSTREAM extends ApexStream<T>,OUTSTREAM extends ApexStream<O>> OUTSTREAM	ApexStream.addCompositeStreams(CompositeStreamTransform<INSTREAM,OUTSTREAM> compositeStreamTransform) Extend the dag by adding one CompositeStreamTransform
<O,INSTREAM extends ApexStream<T>,OUTSTREAM extends ApexStream<O>> OUTSTREAM	ApexStream.addCompositeStreams(CompositeStreamTransform<INSTREAM,OUTSTREAM> compositeStreamTransform) Extend the dag by adding one CompositeStreamTransform
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.addOperator(com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, com.datatorrent.api.Operator.OutputPort<O> outputPort, Option... opts) Extend the dag by adding one operator
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.endWith(com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, Option... opts) Extend the dag by adding one end operator
<STREAM extends ApexStream<T>> STREAM	ApexStream.filter(Function.FilterFunction<T> filter, Option... opts) Filter transformation Add an operator to the DAG which filter out tuple T that cannot satisfy the FilterFunction
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.flatMap(Function.FlatMapFunction<T,O> flatten, Option... opts) Flat map transformation Add an operator to the DAG which convert tuple T to a collection of tuple O
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.map(Function.MapFunction<T,O> mapFunction, Option... opts) Simple map transformation Add an operator to the DAG which convert tuple T to tuple O
<STREAM extends ApexStream<T>> STREAM	ApexStream.print() Add a stdout console output operator
<STREAM extends ApexStream<T>> STREAM	ApexStream.print(Option... opts) Add a stdout console output operator
<STREAM extends ApexStream<T>> STREAM	ApexStream.printErr() Add a stderr console output operator
<STREAM extends ApexStream<T>> STREAM	ApexStream.setGlobalAttribute(com.datatorrent.api.Attribute attribute, Object value) Set attributes at the DAG level
<STREAM extends ApexStream<T>> STREAM	ApexStream.union(ApexStream<T>... others) Union multiple stream into one
<STREAM extends ApexStream<T>> STREAM	ApexStream.with(com.datatorrent.api.Attribute attribute, Object value) Set the attribute value If it is DAG attribute, it will be applied to the whole DAG If it is Operator attribute, it will be applied to last connected operator If it is InputPort attribute, it will be applied to the input port of the last connected stream If it is OutputPort attribute, it will be applied to the output port of the last connected stream If it is both InputPort&OutputPort attribute, it will be applied to last connected stream
<STREAM extends ApexStream<T>> STREAM	ApexStream.with(com.datatorrent.api.DAG.Locality locality) Set the locality
<STREAM extends ApexStream<T>> STREAM	ApexStream.with(String propName, Object value) Set the property value of the last connected operator

Methods in org.apache.apex.malhar.stream.api with parameters of type ApexStream

Modifier and Type	Method and Description
<STREAM extends ApexStream<T>> STREAM	ApexStream.union(ApexStream<T>... others) Union multiple stream into one

Uses of ApexStream in org.apache.apex.malhar.stream.api.impl

Classes in org.apache.apex.malhar.stream.api.impl that implement ApexStream

Modifier and Type	Class and Description
class	ApexStreamImpl<T> Default stream implementation for ApexStream interface.
class	ApexWindowedStreamImpl<T> Default windowed stream implementation for WindowedStream interface.

Methods in org.apache.apex.malhar.stream.api.impl with type parameters of type ApexStream

Modifier and Type	Method and Description
<O,INSTREAM extends ApexStream<T>,OUTSTREAM extends ApexStream<O>> OUTSTREAM	ApexStreamImpl.addCompositeStreams(CompositeStreamTransform<INSTREAM,OUTSTREAM> compositeStreamTransform)
<O,INSTREAM extends ApexStream<T>,OUTSTREAM extends ApexStream<O>> OUTSTREAM	ApexStreamImpl.addCompositeStreams(CompositeStreamTransform<INSTREAM,OUTSTREAM> compositeStreamTransform)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.addOperator(com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, com.datatorrent.api.Operator.OutputPort<O> outputPort, Option... opts)
<STREAM extends ApexStream<Map.Entry<Object,Integer>>> STREAM	ApexStreamImpl.countByElement()
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.endWith(com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, Option... opts)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.filter(Function.FilterFunction<T> filter, Option... opts)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.flatMap(Function.FlatMapFunction<T,O> flatten, Option... opts)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.map(Function.MapFunction<T,O> mf, Option... opts)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.union(ApexStream<T>... others)

Methods in org.apache.apex.malhar.stream.api.impl that return ApexStream

Modifier and Type	Method and Description
static ApexStream<String>	StreamFactory.fromFolder(String folderName)
static ApexStream<String>	StreamFactory.fromFolder(String folderName, Option... opts) Create a stream of string tuples from reading files in hdfs folder line by line
static <T> ApexStream<T>	StreamFactory.fromInput(com.datatorrent.api.InputOperator operator, com.datatorrent.api.Operator.OutputPort<T> outputPort, Option... opts) Create a stream with any input operator
static ApexStream<String>	StreamFactory.fromKafka08(String zookeepers, String topic)
static ApexStream<String>	StreamFactory.fromKafka08(String zookeepers, String topic, Option... opts) Create a stream of string reading input from kafka 0.8
static ApexStream<byte[]>	StreamFactory.fromKafka09(String brokers, String topic, Option... opts) Create stream of byte array messages from kafka 0.9
static ApexStream<byte[]>	StreamFactory.fromKafka09(String brokers, String topic, PartitionStrategy strategy, int partitionNumber, Option... opts) Create stream of byte array messages from kafka 0.9 with more partition options
protected <O> ApexStream<O>	ApexStreamImpl.newStream(DagMeta graph, ApexStreamImpl.Brick<O> newBrick)
protected <O> ApexStream<O>	ApexWindowedStreamImpl.newStream(DagMeta graph, ApexStreamImpl.Brick<O> newBrick)
ApexStream<T>	ApexStreamImpl.printErr()
ApexStream<T>	ApexStreamImpl.setGlobalAttribute(com.datatorrent.api.Attribute attribute, Object value)
ApexStream<T>	ApexStreamImpl.with(com.datatorrent.api.Attribute attribute, Object value)
ApexStream<T>	ApexStreamImpl.with(com.datatorrent.api.DAG.Locality locality)
ApexStream<T>	ApexStreamImpl.with(String propName, Object value)

Methods in org.apache.apex.malhar.stream.api.impl with parameters of type ApexStream

Modifier and Type	Method and Description
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.union(ApexStream<T>... others)