vmarquez commented on a change in pull request #10546:
URL: https://github.com/apache/beam/pull/10546#discussion_r434303784
##########
File path:
sdks/java/io/cassandra/src/main/java/org/apache/beam/sdk/io/cassandra/CassandraIO.java
##########
@@ -326,7 +371,78 @@ private CassandraIO() {}
checkArgument(entity() != null, "withEntity() is required");
checkArgument(coder() != null, "withCoder() is required");
- return input.apply(org.apache.beam.sdk.io.Read.from(new
CassandraSource<>(this, null)));
+ ReadAll<T> readAll = CassandraIO.<T>readAll().withCoder(this.coder());
+
+ return input
+ .apply(Create.of(this))
+ .apply(ParDo.of(new SplitFn()))
+ .setCoder(SerializableCoder.of(new TypeDescriptor<Read<T>>() {}))
+ // .apply(Reshuffle.viaRandomKey())
+ .apply(readAll);
+ }
+
+ private class SplitFn extends DoFn<Read<T>, Read<T>> {
+
+ @ProcessElement
+ public void process(
+ @Element CassandraIO.Read<T> read, OutputReceiver<Read<T>>
outputReceiver) {
+
+ try (Cluster cluster =
+ getCluster(
+ read.hosts(),
+ read.port(),
+ read.username(),
+ read.password(),
+ read.localDc(),
+ read.consistencyLevel())) {
+ if (isMurmur3Partitioner(cluster)) {
Review comment:
Oops I did forget that, I will add. Good catch.
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