@Override
public PCollectionTuple apply(PCollection<Integer> input) {
PCollection<Integer> sum = input.apply(Sum.integersGlobally());
// Fails here when attempting to construct a tuple with an unbound object.
return PCollectionTuple.of(sumTag, sum)
.and(
doneTag,
PCollection.<Void>createPrimitiveOutputInternal(
input.getPipeline(), WindowingStrategy.globalDefault(), input.isBounded()));
}
@Override
public PCollection<T> apply(PInput input) {
if (topic == null && subscription == null) {
throw new IllegalStateException(
"need to set either the topic or the subscription for "
+ "a PubsubIO.Read transform");
}
if (topic != null && subscription != null) {
throw new IllegalStateException(
"Can't set both the topic and the subscription for a " + "PubsubIO.Read transform");
}
return PCollection.<T>createPrimitiveOutputInternal(
input.getPipeline(), WindowingStrategy.globalDefault(), IsBounded.UNBOUNDED)
.setCoder(coder);
}
@Override
public PCollection<String> apply(PCollection<String> input) {
return PCollection.createPrimitiveOutputInternal(
input.getPipeline(), WindowingStrategy.globalDefault(), input.isBounded());
}
@Override
public PCollection<KV<K, V>> apply(PInput input) {
return PCollection.createPrimitiveOutputInternal(
input.getPipeline(), WindowingStrategy.globalDefault(), PCollection.IsBounded.BOUNDED);
}