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https://issues.apache.org/jira/browse/CXF-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16634779#comment-16634779
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ASF GitHub Bot commented on CXF-7854:
-------------------------------------
reta commented on a change in pull request #451: CXF-7854: Refactor RxJava2
Flowable and Observable Rx Invokers to not…
URL: https://github.com/apache/cxf/pull/451#discussion_r221790817
##########
File path:
rt/rs/extensions/rx2/src/main/java/org/apache/cxf/jaxrs/rx2/client/FlowableRxInvokerImpl.java
##########
@@ -147,34 +150,90 @@ public FlowableRxInvokerImpl(WebClient wc,
ExecutorService ex) {
@Override
public <T> Flowable<T> method(String name, Entity<?> entity, Class<T>
responseType) {
+
+ Flowable<T> flowable = Flowable.create(new FlowableOnSubscribe<T>() {
+ @Override
+ public void subscribe(FlowableEmitter<T> emitter) throws Exception
{
+ try {
+ T response = syncInvoker.method(name, entity,
responseType);
+ emitter.onNext(response);
+ emitter.onComplete();
+ } catch (Throwable e) {
+ emitter.onError(e);
+ }
+ }
+ }, BackpressureStrategy.DROP);
+
if (sc == null) {
- return Flowable.fromFuture(wc.async().method(name, entity,
responseType));
+ return flowable;
Review comment:
This part is concerning. I do understand we couldn't do much if
`executorService` is not provided. But it means the flow is going to be
synchronous (whereas `RxInvoker` states explicitly in javadocs `...
asynchronous computation ...`). May be we could default the executor to
`Schedulers.io()` in this case?
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> Refactor RxJava2 Flowable and Observable Rx Invokers to not use internal APIs.
> ------------------------------------------------------------------------------
>
> Key: CXF-7854
> URL: https://issues.apache.org/jira/browse/CXF-7854
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.2.6
> Reporter: John Koehler
> Priority: Major
>
> Customers wanting to use reactive extensions may want to package their own
> version of RxJava2 with their application. The use of internal APIs may
> cause class loading problems.
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/cxf/jaxrs/client/SyncInvokerImpl
> at
> org.apache.cxf.jaxrs.rx2.client.FlowableRxInvokerProvider.getRxInvoker(FlowableRxInvokerProvider.java:37)
> at
> org.apache.cxf.jaxrs.rx2.client.FlowableRxInvokerProvider.getRxInvoker(FlowableRxInvokerProvider.java:29)
> at org.apache.cxf.jaxrs.client.WebClient.rx(WebClient.java:1286)
> at
> org.apache.cxf.jaxrs.client.spec.InvocationBuilderImpl.rx(InvocationBuilderImpl.java:402)
>
> FlowableRxInvokerProvider uses org.apache.cxf.jaxrs.client.SyncInvokerImpl.
> FlowableRxInvokerImpl uses org.apache.cxf.jaxrs.client.WebClient.
> ObservableRxInvokerProvider uses org.apache.cxf.jaxrs.client.SyncInvokerImpl.
> ObservableRxInvokerImpl uses org.apache.cxf.jaxrs.client.WebClient.
> These classes need to be refactored.
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