purbanow commented on a change in pull request #12618:
URL: https://github.com/apache/beam/pull/12618#discussion_r481966807
##########
File path:
sdks/java/io/snowflake/src/main/java/org/apache/beam/sdk/io/snowflake/SnowflakeIO.java
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@@ -1623,4 +1867,12 @@ public DataSourceConfiguration getConfig() {
return this.config;
}
}
+
+ private static String getValueOrNull(ValueProvider<String> valueProvider) {
+ return valueProvider != null ? valueProvider.get() : null;
+ }
+
+ private static boolean isNotEmpty(ValueProvider<String> valueProvider) {
+ return valueProvider != null && valueProvider.get() != null &&
!valueProvider.get().isEmpty();
Review comment:
No, it will not throw any exception. We tested it as simple jobs and as
templates.
JAVA syntax is working in the way that `valueProvider.get() != nul`l is
never going to be call if `valueProvider != null ` returns false + all options
inside `SnowflakePipelineOptions`have default value or required annotation.
In terms of using `valueProvider.isAccessible()`, I tried to use it but it
didn't work as I wanted. Assuming user is going to pass `username` variable as
null, then `valueProvider.isAccessible()` is going to return true but calling
valueProvider.get().isEmpty() will result in `NullPointException` as
`valueProvider.get()` is returning null.
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