brachi-wernick commented on a change in pull request #16598:
URL: https://github.com/apache/flink/pull/16598#discussion_r680569542
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File path:
flink-connectors/flink-connector-gcp-pubsub/src/main/java/org/apache/flink/streaming/connectors/gcp/pubsub/table/PubSubTableSourceFactory.java
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@@ -0,0 +1,78 @@
+package org.apache.flink.streaming.connectors.gcp.pubsub.table;
+
+import org.apache.flink.annotation.Internal;
+import org.apache.flink.api.common.serialization.DeserializationSchema;
+import org.apache.flink.configuration.ConfigOption;
+import org.apache.flink.configuration.ConfigOptions;
+import org.apache.flink.configuration.ReadableConfig;
+import org.apache.flink.table.connector.format.DecodingFormat;
+import org.apache.flink.table.connector.source.DynamicTableSource;
+import org.apache.flink.table.data.RowData;
+import org.apache.flink.table.factories.DeserializationFormatFactory;
+import org.apache.flink.table.factories.DynamicTableSourceFactory;
+import org.apache.flink.table.factories.FactoryUtil;
+import org.apache.flink.table.types.DataType;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@Internal
+public class PubSubTableSourceFactory implements DynamicTableSourceFactory {
+
+ // define all options statically
+ public static final ConfigOption<String> PROJECT_NAME =
+ ConfigOptions.key("projectName").stringType().noDefaultValue();
+
+ public static final ConfigOption<String> TOPIC =
+ ConfigOptions.key("topic").stringType().noDefaultValue();
+
+ public static final ConfigOption<String> FORMAT =
+ ConfigOptions.key("format").stringType().noDefaultValue();
+
+ @Override
+ public String factoryIdentifier() {
+ return "pubsub";
+ }
+
+ @Override
+ public Set<ConfigOption<?>> requiredOptions() {
+ final Set<ConfigOption<?>> options = new HashSet<>();
+ options.add(PROJECT_NAME);
+ options.add(TOPIC);
+ options.add(FORMAT);
+ return options;
+ }
+
+ @Override
+ public Set<ConfigOption<?>> optionalOptions() {
+ return new HashSet<>();
+ }
+
+ @Override
+ public DynamicTableSource createDynamicTableSource(Context context) {
+ // either implement your custom validation logic here ...
+ // or use the provided helper utility
+ final FactoryUtil.TableFactoryHelper helper =
+ FactoryUtil.createTableFactoryHelper(this, context);
+
+ // validate all options
+ helper.validateExcept("json.");
Review comment:
Got it, Thanks for the explanation!
I fixed it [in this
revision](https://github.com/apache/flink/pull/16598/commits/e6b0b05fadd9d6724a424c313a7b9617a854955f)
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