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Add support for downloading flights from alternate endpoints #4

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Add support for downloading flights from alternate endpoints #4

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1cea623
S&T outstanding work
Aug 4, 2022
5e4c385
Fix auth TODO
Aug 16, 2022
9f23ae9
Close clients
Aug 16, 2022
bb0fbd5
Cleanup for PR
Aug 16, 2022
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3 changes: 3 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -87,3 +87,6 @@ cpp/Brewfile.lock.json
java-dist/
java-native-c/
java-native-cpp/

# files altered by build
java/flight/flight-jdbc-driver/src/main/resources/properties/flight.properties
2 changes: 1 addition & 1 deletion java/flight/flight-core/src/main/java/org/apache/arrow/flight/ArrowMessage.java
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Expand Up @@ -65,7 +65,7 @@
/**
* The in-memory representation of FlightData used to manage a stream of Arrow messages.
*/
class ArrowMessage implements AutoCloseable {
public class ArrowMessage implements AutoCloseable {

// If true, deserialize Arrow data by giving Arrow a reference to the underlying gRPC buffer
// instead of copying the data. Defaults to true.
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8 changes: 4 additions & 4 deletions java/flight/flight-core/src/main/java/org/apache/arrow/flight/FlightClient.java
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Expand Up @@ -303,7 +303,7 @@ public SchemaResult getSchema(FlightDescriptor descriptor, CallOption... options
public FlightStream getStream(Ticket ticket, CallOption... options) {
final io.grpc.CallOptions callOptions = CallOptions.wrapStub(asyncStub, options).getCallOptions();
ClientCall<Flight.Ticket, ArrowMessage> call = interceptedChannel.newCall(doGetDescriptor, callOptions);
FlightStream stream = new FlightStream(
FlightStream stream = new FlightStreamImpl(
allocator,
PENDING_REQUESTS,
(String message, Throwable cause) -> call.cancel(message, cause),
Expand Down Expand Up @@ -352,14 +352,14 @@ public ExchangeReaderWriter doExchange(FlightDescriptor descriptor, CallOption..

try {
final ClientCall<ArrowMessage, ArrowMessage> call = interceptedChannel.newCall(doExchangeDescriptor, callOptions);
final FlightStream stream = new FlightStream(allocator, PENDING_REQUESTS, call::cancel, call::request);
final FlightStream stream = new FlightStreamImpl(allocator, PENDING_REQUESTS, call::cancel, call::request);
final ClientCallStreamObserver<ArrowMessage> observer = (ClientCallStreamObserver<ArrowMessage>)
ClientCalls.asyncBidiStreamingCall(call, stream.asObserver());
final ClientStreamListener writer = new PutObserver(
descriptor, observer, stream.cancelled::isDone,
descriptor, observer, stream.cancelled()::isDone,
() -> {
try {
stream.completed.get();
stream.completed().get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw CallStatus.INTERNAL
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4 changes: 2 additions & 2 deletions java/flight/flight-core/src/main/java/org/apache/arrow/flight/FlightService.java
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Expand Up @@ -220,7 +220,7 @@ public StreamObserver<ArrowMessage> doPutCustom(final StreamObserver<Flight.PutR

final StreamPipe<PutResult, Flight.PutResult> ackStream = StreamPipe
.wrap(responseObserver, PutResult::toProtocol, this::handleExceptionWithMiddleware);
final FlightStream fs = new FlightStream(
final FlightStream fs = new FlightStreamImpl(
allocator,
PENDING_REQUESTS,
/* server-upload streams are not cancellable */null,
Expand Down Expand Up @@ -351,7 +351,7 @@ public StreamObserver<ArrowMessage> doExchangeCustom(StreamObserver<ArrowMessage
final ExchangeListener listener = new ExchangeListener(
responseObserver,
this::handleExceptionWithMiddleware);
final FlightStream fs = new FlightStream(
final FlightStream fs = new FlightStreamImpl(
allocator,
PENDING_REQUESTS,
/* server-upload streams are not cancellable */null,
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