Package org.hyperledger.fabric.client

Interface EventsRequest<T>

Type Parameters:

T - The type of events obtained by this request.

All Superinterfaces:

Signable

All Known Subinterfaces:

BlockAndPrivateDataEventsRequest, BlockEventsRequest, ChaincodeEventsRequest, FilteredBlockEventsRequest

public interface EventsRequest<T>
extends Signable

A Fabric Gateway call to obtain events.

Method Summary

Modifier and Type	Method	Description
default CloseableIterator<T>	getEvents()	Get events.
CloseableIterator<T>	getEvents(UnaryOperator<CallOptions> options)	Get events.
default CloseableIterator<T>	getEvents(CallOption... options)	Deprecated. Replaced by getEvents(UnaryOperator).

Methods inherited from interface org.hyperledger.fabric.client.Signable

getBytes, getDigest

Method Details

getEvents

default CloseableIterator<T> getEvents()

Get events. The Java gRPC implementation may not begin reading events until the first use of the returned iterator.

Note that the returned iterator may throw GatewayRuntimeException during iteration if a gRPC connection error occurs.

Returns:

Ordered sequence of events.

getEvents

CloseableIterator<T> getEvents(UnaryOperator<CallOptions> options)

Get events. The Java gRPC implementation may not begin reading events until the first use of the returned iterator.

Note that the returned iterator may throw GatewayRuntimeException during iteration if a gRPC connection error occurs.

Parameters:

options - Function that transforms call options.

Returns:

Ordered sequence of events.

getEvents

@Deprecated
default CloseableIterator<T> getEvents(CallOption... options)

Deprecated.

Replaced by getEvents(UnaryOperator).

Get events. The Java gRPC implementation may not begin reading events until the first use of the returned iterator.

Note that the returned iterator may throw GatewayRuntimeException during iteration if a gRPC connection error occurs.

Parameters:

options - Call options.

Returns:

Ordered sequence of events.