org.ballerinalang.model.values

Class BStream

java.lang.Object

org.ballerinalang.model.values.BStream

All Implemented Interfaces:

BRefType<Object>, BValue

public class BStream
extends Object
implements BRefType<Object>

The BStream represents a stream in Ballerina.

Since:

0.965.0

Constructor Summary

Constructors

Constructor and Description
BStream(BType type, String name)

Method Summary

Modifier and Type	Method and Description
BValue	copy() Deep copy BValue.
String	getStreamId()
BType	getType()
void	publish(BStruct data) Method to publish to a topic representing the stream in the broker.
String	stringValue()
void	subscribe(Context context, BFunctionPointer functionPointer) Method to register a subscription to the underlying topic representing the stream in the broker.
void	subscribe(InputHandler inputHandler)
Object	value()

Methods inherited from class java.lang.Object

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

Constructor Detail

BStream

public BStream(BType type,
               String name)

Method Detail

getStreamId

public String getStreamId()

stringValue

public String stringValue()

Specified by:

stringValue in interface BValue

getType

public BType getType()

Specified by:

getType in interface BValue

copy

public BValue copy()

Description copied from interface: BValue

Deep copy BValue.

Specified by:

copy in interface BValue

Returns:

A copy of this BValue

value

public Object value()

Specified by:

value in interface BRefType<Object>

publish

public void publish(BStruct data)

Method to publish to a topic representing the stream in the broker.

Parameters:

data - the data to publish to the stream

subscribe

public void subscribe(Context context,
                      BFunctionPointer functionPointer)

Method to register a subscription to the underlying topic representing the stream in the broker.

Parameters:

context - the context object representing runtime state

functionPointer - represents the function pointer reference for the function to be invoked on receiving messages

subscribe

public void subscribe(InputHandler inputHandler)