A B C D E F G I L M N O P R S T U W

A

accumulate(Accumulation<T, ACCU, O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

accumulate(Accumulation<T, ACCU, O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add WindowedOperatorImpl with specified Accumulation
Accumulate tuples by some key within the window definition in this stream Also give a name to the accumulation

accumulateByKey(Accumulation<V, ACCU, O>, Function.ToKeyValue<T, K, V>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

accumulateByKey(Accumulation<V, ACCU, O>, Function.ToKeyValue<T, K, V>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add KeyedWindowedOperatorImpl with specified Accumulation
Accumulate tuples by some key within the window definition in this stream Also give a name to the accumulation

addCompositeStreams(CompositeStreamTransform<INSTREAM, OUTSTREAM>) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Extend the dag by adding one CompositeStreamTransform

addCompositeStreams(CompositeStreamTransform<INSTREAM, OUTSTREAM>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

addNode(Operator, DagMeta.NodeMeta, Operator.OutputPort, Operator.InputPort, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta

addOperator(Operator, Operator.InputPort<T>, Operator.OutputPort<O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Extend the dag by adding one operator

addOperator(Operator, Operator.InputPort<T>, Operator.OutputPort<O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

allowedLateness - Variable in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

ApexStream<T> - Interface in org.apache.apex.malhar.stream.api

The stream interface to build a DAG

ApexStreamImpl<T> - Class in org.apache.apex.malhar.stream.api.impl

Default stream implementation for ApexStream interface.

ApexStreamImpl() - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

ApexStreamImpl(ApexStreamImpl<T>) - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

ApexStreamImpl(DagMeta) - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

ApexStreamImpl(DagMeta, ApexStreamImpl.Brick<T>) - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

ApexStreamImpl.Brick<T> - Class in org.apache.apex.malhar.stream.api.impl

The extension point of the stream

ApexStreamImpl.Brick() - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl.Brick

ApexWindowedStreamImpl<T> - Class in org.apache.apex.malhar.stream.api.impl

Default windowed stream implementation for WindowedStream interface.

ApexWindowedStreamImpl() - Constructor for class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

attr(Attribute<T>, T) - Static method in class org.apache.apex.malhar.stream.api.Option.Options

B

beforeCheckpoint(long) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

beginWindow(long) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

buildDAG() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta

buildDAG(DAG) - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta

C

checkpointed(long) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

committed(long) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

compose(INSTREAM) - Method in class org.apache.apex.malhar.stream.api.CompositeStreamTransform

CompositeStreamTransform<INSTREAM extends ApexStream,OUTSTREAM extends ApexStream> - Class in org.apache.apex.malhar.stream.api

A group of Streams and transforms in between

CompositeStreamTransform() - Constructor for class org.apache.apex.malhar.stream.api.CompositeStreamTransform

count(Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

count(Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Count of all tuples

countByElement() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

countByKey(Function.ToKeyValue<T, K, Long>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

countByKey(Function.ToKeyValue<T, K, Long>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Count tuples by the key

createDag() - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Create dag from stream

createDag() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

D

DagMeta - Class in org.apache.apex.malhar.stream.api.impl

Logical graph data structure for DAG
With the build method(DagMeta.buildDAG(), DagMeta.buildDAG(DAG)) to convert it to Apex DAG

DagMeta() - Constructor for class org.apache.apex.malhar.stream.api.impl.DagMeta

DagMeta.NodeMeta - Class in org.apache.apex.malhar.stream.api.impl

DagMeta.NodeMeta(Operator, Option...) - Constructor for class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

E

emitTuples() - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

endWindow() - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

endWith(Operator, Operator.InputPort<T>, Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Extend the dag by adding one end operator

endWith(Operator, Operator.InputPort<T>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

F

filter(Function.FilterFunction<T>, Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Filter transformation
Add an operator to the DAG which filter out tuple T that cannot satisfy the FilterFunction

filter(Function.FilterFunction<T>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

flatMap(Function.FlatMapFunction<T, O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Flat map transformation Add an operator to the DAG which convert tuple T to a collection of tuple O

flatMap(Function.FlatMapFunction<T, O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

fold(FoldFn<T, O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

fold(FoldFn<T, O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add WindowedOperatorImpl with specified FoldFn
Fold transformation

foldByKey(FoldFn<V, O>, Function.ToKeyValue<T, K, V>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

foldByKey(FoldFn<V, O>, Function.ToKeyValue<T, K, V>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add KeyedWindowedOperatorImpl with specified FoldFn
Fold transformation by key

fromFolder(String, Option...) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

Create a stream of string tuples from reading files in hdfs folder line by line

fromFolder(String) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

fromInput(InputOperator, Operator.OutputPort<T>, Option...) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

Create a stream with any input operator

fromKafka08(String, String) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

fromKafka08(String, String, Option...) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

Create a stream of string reading input from kafka 0.8

fromKafka09(String, String, Option...) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

Create stream of byte array messages from kafka 0.9

fromKafka09(String, String, PartitionStrategy, int, Option...) - Static method in class org.apache.apex.malhar.stream.api.impl.StreamFactory

Create stream of byte array messages from kafka 0.9 with more partition options

G

generateOperatorIDWithClock(Class<? extends Operator>) - Static method in class org.apache.apex.malhar.stream.api.impl.IDGenerator

generateOperatorIDWithUUID(Class<? extends Operator>) - Static method in class org.apache.apex.malhar.stream.api.impl.IDGenerator

getAttr() - Method in class org.apache.apex.malhar.stream.api.Option.AttributeSetting

getChildren() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

getCount(boolean) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.OutputPortWrapper

getLastBrick() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

getLastOutput() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl.Brick

getLastStream() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl.Brick

getName() - Method in class org.apache.apex.malhar.stream.api.Option.OpName

getName() - Method in class org.apache.apex.malhar.stream.api.Option.PropSetting

getNodeStreams() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

getOperator() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

getOperatorName() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

getParent() - Method in class org.apache.apex.malhar.stream.api.impl.DagMeta.NodeMeta

getSink() - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

getVal() - Method in class org.apache.apex.malhar.stream.api.Option.PropSetting

getValue() - Method in class org.apache.apex.malhar.stream.api.Option.AttributeSetting

graph - Variable in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

Graph behind the stream

group() - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

group() - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Return tuples for each window

groupByKey(Function.ToKeyValue<T, K, O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

groupByKey(Function.ToKeyValue<T, K, O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Return tuples for each key for each window

I

IDGenerator - Class in org.apache.apex.malhar.stream.api.impl

A util class to generate unique ids in dag

IDGenerator() - Constructor for class org.apache.apex.malhar.stream.api.impl.IDGenerator

input1 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

input2 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

input3 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

input4 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

input5 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

L

lastBrick - Variable in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

Right now the stream only support single extension point You can have multiple downstream operators connect to this single extension point though

M

map(Function.MapFunction<T, O>, Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Simple map transformation
Add an operator to the DAG which convert tuple T to tuple O

map(Function.MapFunction<T, O>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

N

name(String) - Static method in class org.apache.apex.malhar.stream.api.Option.Options

newStream(DagMeta, ApexStreamImpl.Brick<O>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

newStream(DagMeta, ApexStreamImpl.Brick<O>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

O

Option - Interface in org.apache.apex.malhar.stream.api

Options for the operators in the dag

Option.AttributeSetting<T> - Class in org.apache.apex.malhar.stream.api

An option used to set the Attribute

Option.AttributeSetting(Attribute<T>, T) - Constructor for class org.apache.apex.malhar.stream.api.Option.AttributeSetting

Option.OpName - Class in org.apache.apex.malhar.stream.api

An option used to set the name of the operator

Option.OpName(String) - Constructor for class org.apache.apex.malhar.stream.api.Option.OpName

Option.Options - Class in org.apache.apex.malhar.stream.api

Option.Options() - Constructor for class org.apache.apex.malhar.stream.api.Option.Options

Option.PropSetting - Class in org.apache.apex.malhar.stream.api

An option used to set the property value of the operator

Option.PropSetting(String, Object) - Constructor for class org.apache.apex.malhar.stream.api.Option.PropSetting

org.apache.apex.malhar.stream.api - package org.apache.apex.malhar.stream.api

org.apache.apex.malhar.stream.api.impl - package org.apache.apex.malhar.stream.api.impl

output1 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

output2 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

output3 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

output4 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

output5 - Variable in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

P

populateDag(DAG) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Populate existing dag

populateDag(DAG) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

print(Option...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Add a stdout console output operator

print() - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Add a stdout console output operator

print(Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

print() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

printErr() - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Add a stderr console output operator

printErr() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

process(Tuple) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

prop(String, Object) - Static method in class org.apache.apex.malhar.stream.api.Option.Options

put(Object) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.OutputPortWrapper

R

reduce(ReduceFn<T>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

reduce(ReduceFn<T>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add WindowedOperatorImpl with specified ReduceFn
Do reduce transformation

reduceByKey(ReduceFn<V>, Function.ToKeyValue<T, K, V>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

reduceByKey(ReduceFn<V>, Function.ToKeyValue<T, K, V>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Add KeyedWindowedOperatorImpl with specified ReduceFn
Reduce transformation by selected key
Add an operator to the DAG which merge tuple t1, t2 to new tuple by key

resetAllowedLateness(Duration) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

resetAllowedLateness(Duration) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Reset the allowedLateness settings for next transforms

resetTrigger(TriggerOption) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

resetTrigger(TriggerOption) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Reset the trigger settings for next transforms

run() - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Submit the application to cluster

run() - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

runEmbedded(boolean, long, Callable<Boolean>) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Run the stream application in local mode In Async mode, the method would return immediately and the dag would run for "duration" milliseconds In Sync mode, the method would block "duration" milliseconds to run the dag If duration is negative the dag would run forever until being killed

runEmbedded(boolean, long, Callable<Boolean>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

S

setConnected(boolean) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

setGlobalAttribute(Attribute, Object) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Set attributes at the DAG level

setGlobalAttribute(Attribute, Object) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

setInput(DefaultInputPort) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

setLastBrick(ApexStreamImpl.Brick<T>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

setLastOutput(Operator.OutputPort<T>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl.Brick

setLastStream(Pair<Operator.OutputPort, Operator.InputPort>) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl.Brick

setOperator(Operator) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

setup(Context.PortContext) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

setup(Context.OperatorContext) - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

StreamFactory - Class in org.apache.apex.malhar.stream.api.impl

A Factory class to build stream from different input sources

StreamFactory() - Constructor for class org.apache.apex.malhar.stream.api.impl.StreamFactory

T

teardown() - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

teardown() - Method in class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

top(int, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

top(int, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Return top N tuples of all tuples in the window

topByKey(int, Function.ToKeyValue<T, K, V>, Option...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

topByKey(int, Function.ToKeyValue<T, K, V>, Option...) - Method in interface org.apache.apex.malhar.stream.api.WindowedStream

Return top N tuples by the selected key

triggerOption - Variable in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

TupleWrapperOperator - Class in org.apache.apex.malhar.stream.api.impl

A wrapper operator that intercept the tuples and convert them between Tuple

TupleWrapperOperator() - Constructor for class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator

TupleWrapperOperator.InputPortWrapper - Class in org.apache.apex.malhar.stream.api.impl

TupleWrapperOperator.InputPortWrapper() - Constructor for class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.InputPortWrapper

TupleWrapperOperator.OutputPortWrapper - Class in org.apache.apex.malhar.stream.api.impl

TupleWrapperOperator.OutputPortWrapper() - Constructor for class org.apache.apex.malhar.stream.api.impl.TupleWrapperOperator.OutputPortWrapper

U

union(ApexStream<T>...) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Union multiple stream into one

union(ApexStream<T>...) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

W

window(WindowOption) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Chunk tuples into Windows Window Transform are defined in WindowedStream

window(WindowOption, TriggerOption) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Chunk tuple into windows with window option and trigger option

window(WindowOption, TriggerOption, Duration) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Chunk tuple into windows with window option and trigger option and allowed lateness

window(WindowOption) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

window(WindowOption, TriggerOption) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

window(WindowOption, TriggerOption, Duration) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

WindowedStream<T> - Interface in org.apache.apex.malhar.stream.api

A stream with windowed transformation

windowOption - Variable in class org.apache.apex.malhar.stream.api.impl.ApexWindowedStreamImpl

with(Attribute, Object) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

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

with(DAG.Locality) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Set the locality

with(String, Object) - Method in interface org.apache.apex.malhar.stream.api.ApexStream

Set the property value of the last connected operator

with(Attribute, Object) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

with(DAG.Locality) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

with(String, Object) - Method in class org.apache.apex.malhar.stream.api.impl.ApexStreamImpl

A B C D E F G I L M N O P R S T U W