sjwiesman commented on a change in pull request #147:
URL: https://github.com/apache/flink-statefun/pull/147#discussion_r487120168
##########
File path: docs/sdk/java.md
##########
@@ -364,6 +364,43 @@ PersistedTable<String, Integer> table =
PersistedTable.of("my-table", String.cla
PersistedAppendingBuffer<Integer> buffer =
PersistedAppendingBuffer.of("my-buffer", Integer.class);
{% endhighlight %}
+### Dynamic State Registration
+
+Using the above state types, a function's persisted state must be defined
eagerly. You cannot use those state types to
+register new persisted state during invocations (i.e. in the ``invoke``
method) or after the function instance is created.
+
+If dynamic state registration is required, you can use a
``PersistedStateRegistry`` to achieve that:
Review comment:
I can't exactly explain why, but the way you wrote it sounds off to me.
```suggestion
If dynamic state registration is required, it can be achieved using a
``PersistedStateRegistry``:
```
##########
File path: docs/sdk/java.md
##########
@@ -364,6 +364,43 @@ PersistedTable<String, Integer> table =
PersistedTable.of("my-table", String.cla
PersistedAppendingBuffer<Integer> buffer =
PersistedAppendingBuffer.of("my-buffer", Integer.class);
{% endhighlight %}
+### Dynamic State Registration
+
+Using the above state types, a function's persisted state must be defined
eagerly. You cannot use those state types to
+register new persisted state during invocations (i.e. in the ``invoke``
method) or after the function instance is created.
Review comment:
```suggestion
register a new persisted state during invocations (i.e., in the ``invoke``
method) or after the function instance is created.
```
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