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[Feature](mongodb-cdc) Expose split-related CDC options for MongoDB #673

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[Feature](mongodb-cdc) Expose split-related CDC options for MongoDB #673

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25 changes: 25 additions & 0 deletions ...or-flink1/src/main/java/org/apache/doris/flink/tools/cdc/mongodb/MongoDBDatabaseSync.java
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,18 @@ public class MongoDBDatabaseSync extends DatabaseSync {
.noDefaultValue()
.withDescription("Table name of the Mongo database to monitor.");

public static final ConfigOption<Integer> SPLIT_META_GROUP_SIZE =
ConfigOptions.key("split.meta.group.size")
.intType()
.noDefaultValue()
.withDescription("The meta group size of split.");

public static final ConfigOption<Boolean> CLOSE_IDLE_READERS =
ConfigOptions.key("close.idle.readers")
.booleanType()
.defaultValue(false)
.withDescription("Whether to close idle readers.");

public MongoDBDatabaseSync() throws SQLException {}

@Override
Expand Down Expand Up @@ -222,6 +234,19 @@ public DataStreamSource<String> buildCdcSource(StreamExecutionEnvironment env) {
default:
throw new IllegalArgumentException("Unsupported startup mode: " + startupMode);
}

config.getOptional(MongoDBSourceOptions.SCAN_INCREMENTAL_SNAPSHOT_CHUNK_SIZE_MB)
.ifPresent(mongoDBSourceBuilder::splitSizeMB);
config.getOptional(MongoDBSourceOptions.SCAN_INCREMENTAL_SNAPSHOT_CHUNK_SAMPLES)
.ifPresent(mongoDBSourceBuilder::samplesPerChunk);
config.getOptional(SPLIT_META_GROUP_SIZE).ifPresent(mongoDBSourceBuilder::splitMetaGroupSize);
config.getOptional(CLOSE_IDLE_READERS)
.ifPresent(mongoDBSourceBuilder::closeIdleReaders);
config.getOptional(MongoDBSourceOptions.FULL_DOCUMENT_PRE_POST_IMAGE)
.ifPresent(mongoDBSourceBuilder::scanFullChangelog);
config.getOptional(MongoDBSourceOptions.SCAN_NO_CURSOR_TIMEOUT)
.ifPresent(mongoDBSourceBuilder::disableCursorTimeout);

MongoDBSource<String> mongoDBSource = mongoDBSourceBuilder.deserializer(schema).build();
return env.fromSource(mongoDBSource, WatermarkStrategy.noWatermarks(), "MongoDB Source");
}
Expand Down