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

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,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) Extend the dag by adding one operator
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.addOperator(String opName, com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, com.datatorrent.api.Operator.OutputPort<O> outputPort) Extend the dag by adding one Operator
<STREAM extends ApexStream<Integer>> STREAM	ApexStream.count() Count of all tuples
<STREAM extends ApexStream<Map<Object,Integer>>> STREAM	ApexStream.countByKey() Count tuples by the key If the input is KeyedTuple it will get the key from getKey method from the tuple If not, use the tuple itself as a key
<STREAM extends ApexStream<Map<Object,Integer>>> STREAM	ApexStream.countByKey(int key) Count tuples by the indexed key
<STREAM extends ApexStream<T>> STREAM	ApexStream.filter(Function.FilterFunction<T> filter) Filter transformation Add an operator to the DAG which filter out tuple T that cannot satisfy the FilterFunction
<STREAM extends ApexStream<T>> STREAM	ApexStream.filter(String name, Function.FilterFunction<T> filter) 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) 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.flatMap(String name, Function.FlatMapFunction<T,O> flatten) 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.fold(O initialValue, Function.FoldFunction<T,O> fold) Fold transformation Add an operator to the DAG which merge tuple T to accumulated result tuple O
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.fold(String name, O initialValue, Function.FoldFunction<T,O> fold) Fold transformation Add an operator to the DAG which merge tuple T to accumulated result tuple O
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.map(Function.MapFunction<T,O> mapFunction) Simple map transformation Add an operator to the DAG which convert tuple T to tuple O
<O,STREAM extends ApexStream<O>> STREAM	ApexStream.map(String name, Function.MapFunction<T,O> mapFunction) 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.printErr() Add a stderr console output operator
<STREAM extends ApexStream<T>> STREAM	ApexStream.reduce(Function.ReduceFunction<T> reduce) Reduce transformation Add an operator to the DAG which merge tuple t1, t2 to new tuple
<STREAM extends ApexStream<T>> STREAM	ApexStream.reduce(String name, Function.ReduceFunction<T> reduce) Reduce transformation Add an operator to the DAG which merge tuple t1, t2 to new tuple
<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.

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

Modifier and Type	Method and Description
<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)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.addOperator(String opName, com.datatorrent.api.Operator op, com.datatorrent.api.Operator.InputPort<T> inputPort, com.datatorrent.api.Operator.OutputPort<O> outputPort)
<STREAM extends ApexStream<Integer>> STREAM	ApexStreamImpl.count()
<STREAM extends ApexStream<Map<Object,Integer>>> STREAM	ApexStreamImpl.countByKey()
<STREAM extends ApexStream<Map<Object,Integer>>> STREAM	ApexStreamImpl.countByKey(int key)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.filter(Function.FilterFunction<T> filter)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.filter(String name, Function.FilterFunction<T> filter)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.flatMap(Function.FlatMapFunction<T,O> flatten)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.flatMap(String name, Function.FlatMapFunction<T,O> flatten)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.fold(O initialValue, Function.FoldFunction<T,O> fold)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.fold(String name, O initialValue, Function.FoldFunction<T,O> fold)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.map(Function.MapFunction<T,O> mf)
<O,STREAM extends ApexStream<O>> STREAM	ApexStreamImpl.map(String name, Function.MapFunction<T,O> mf)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.reduce(Function.ReduceFunction<T> reduce)
<STREAM extends ApexStream<T>> STREAM	ApexStreamImpl.reduce(String name, Function.ReduceFunction<T> reduce)
<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 inputOperatorName, String folderName)
static <T> ApexStream<T>	StreamFactory.fromInput(com.datatorrent.api.InputOperator operator, com.datatorrent.api.Operator.OutputPort<T> outputPort)
static <T> ApexStream<T>	StreamFactory.fromInput(String inputOperatorName, com.datatorrent.api.InputOperator operator, com.datatorrent.api.Operator.OutputPort<T> outputPort)
static ApexStream<String>	StreamFactory.fromKafka08(String zookeepers, String topic)
static ApexStream<String>	StreamFactory.fromKafka08(String inputName, String zookeepers, String topic)
static ApexStream<String>	StreamFactory.fromKafka09(String brokers, String topic)
static ApexStream<String>	StreamFactory.fromKafka09(String name, String brokers, String topic)
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)

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

Constructor and Description
ApexStreamImpl(ApexStream<T> apexStream)