Package com.styra.opa.openapi.utils

Class EventStream<T>

java.lang.Object

com.styra.opa.openapi.utils.EventStream<T>

Type Parameters:

T -

All Implemented Interfaces:

AutoCloseable

public final class EventStream<T>
extends Object
implements AutoCloseable

Constructor Summary

Constructors

Constructor	Description
EventStream(InputStream in, com.fasterxml.jackson.core.type.TypeReference<T> typeReference, com.fasterxml.jackson.databind.ObjectMapper mapper, Optional<String> terminalMessage)

Method Summary

Modifier and Type	Method	Description
void	close()
Optional<T>	next()	Returns the next message.
Stream<T>	stream()	Returns a Stream of events.
List<T>	toList()	Reads all events and returns them as a List.

Methods inherited from class java.lang.Object

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

Constructor Details

EventStream

public EventStream(InputStream in,
 com.fasterxml.jackson.core.type.TypeReference<T> typeReference,
 com.fasterxml.jackson.databind.ObjectMapper mapper,
 Optional<String> terminalMessage)

Method Details

next

public Optional<T> next()
                 throws IOException

Returns the next message. If another message does not exist returns Optional.empty().

Returns:

the next message or Optional.empty() if no more messages

Throws:

IOException

toList

public List<T> toList()

Reads all events and returns them as a List. This method calls close().

Returns:

list of events

stream

public Stream<T> stream()

Returns a Stream of events. Must be closed after use!

Returns:

streamed events

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception