cameronlee314 commented on a change in pull request #1027: SAMZA-2046:
Startpoint fan out implementation
URL: https://github.com/apache/samza/pull/1027#discussion_r284415205
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File path:
samza-core/src/main/java/org/apache/samza/startpoint/StartpointFanOutPerTask.java
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@@ -20,33 +20,45 @@
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
-import org.apache.samza.container.TaskName;
+import java.time.Instant;
+import java.util.HashMap;
+import java.util.Map;
+import org.apache.samza.serializers.model.SamzaObjectMapper;
import org.apache.samza.system.SystemStreamPartition;
+import org.codehaus.jackson.map.annotate.JsonDeserialize;
import org.codehaus.jackson.map.annotate.JsonSerialize;
-@JsonSerialize(using = StartpointKeySerializer.class)
-class StartpointKey {
- private final SystemStreamPartition systemStreamPartition;
- private final TaskName taskName;
+/**
+ * Holds the {@link Startpoint} fan outs for each {@link
SystemStreamPartition}. Each StartpointFanOutPerTask maps to a
+ * {@link org.apache.samza.container.TaskName}
+ */
+class StartpointFanOutPerTask {
+ @JsonSerialize
+ @JsonDeserialize
+ private final Instant timestamp;
+
+ @JsonDeserialize(keyUsing =
SamzaObjectMapper.SystemStreamPartitionKeyDeserializer.class)
Review comment:
Similarly to `Startpoint`, can we put these into `StartpointObjectMapper`?
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