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Add check for Long.MAX_VALUE

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Issue: SPR-15203
This commit is contained in:
Rossen Stoyanchev
2017-01-30 10:03:20 -05:00
parent 74a3013174
commit cd476832cc
1 changed files with 5 additions and 6 deletions
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11
spring-web/src/main/java/org/springframework/http/server/reactive/AbstractListenerReadPublisher.java
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@@ -116,10 +116,13 @@ public abstract class AbstractListenerReadPublisher<T> implements Publisher<T> {
* @return {@code true} if there is more demand; {@code false} otherwise
*/
private boolean readAndPublish() throws IOException {
while (hasDemand()) {
long r;
while ((r = demand) > 0) {
T data = read();
if (data != null) {
Operators.addAndGet(DEMAND_FIELD_UPDATER, this, -1L);
if (r != Long.MAX_VALUE) {
DEMAND_FIELD_UPDATER.addAndGet(this, -1L);
}
this.subscriber.onNext(data);
}
else {
@@ -129,10 +132,6 @@ public abstract class AbstractListenerReadPublisher<T> implements Publisher<T> {
return false;
}
private boolean hasDemand() {
return (this.demand > 0);
}
private boolean changeState(State oldState, State newState) {
return this.state.compareAndSet(oldState, newState);
}