Package io.debezium.connector.mongodb.transforms

Class MongoDataConverter

java.lang.Object

io.debezium.connector.mongodb.transforms.MongoDataConverter

public class MongoDataConverter
extends Object

MongoDataConverter handles translating MongoDB strings to Kafka Connect schemas and row data to Kafka Connect records.

Author:

Sairam Polavarapu

Field Summary

Fields

Modifier and Type	Field	Description
private final ExtractNewDocumentState.ArrayEncoding	arrayEncoding
private final FieldNameSelector.FieldNamer<String>	fieldNamer
private final boolean	sanitizeValue	Whether to adjust certain field values to conform with Avro requirements.
static final String	SCHEMA_NAME_REGEX

Constructor Summary

Constructors

Constructor	Description
MongoDataConverter(ExtractNewDocumentState.ArrayEncoding arrayEncoding)
MongoDataConverter(ExtractNewDocumentState.ArrayEncoding arrayEncoding, FieldNameSelector.FieldNamer<String> fieldNamer, boolean sanitizeValue)

Method Summary

Modifier and Type	Method	Description
void	addFieldSchema(Map.Entry<String,org.bson.BsonValue> keyValuesforSchema, org.apache.kafka.connect.data.SchemaBuilder builder)
protected String	arrayElementStructName(int i)
void	convertFieldValue(Map.Entry<String,org.bson.BsonValue> keyvalueforStruct, org.apache.kafka.connect.data.Struct struct, org.apache.kafka.connect.data.Schema schema)
private void	convertFieldValue(org.apache.kafka.connect.data.Schema valueSchema, org.bson.BsonType valueType, org.bson.BsonValue arrValue, ArrayList<Object> list)
org.apache.kafka.connect.data.Struct	convertRecord(Map.Entry<String,org.bson.BsonValue> keyvalueforStruct, org.apache.kafka.connect.data.Schema schema, org.apache.kafka.connect.data.Struct struct)
private org.apache.kafka.connect.data.Schema	subSchema(org.apache.kafka.connect.data.SchemaBuilder builder, String key, org.bson.BsonType valueType, org.bson.BsonValue value)
private void	subSchema(org.apache.kafka.connect.data.SchemaBuilder documentSchemaBuilder, Map<String,org.bson.BsonType> union, org.bson.BsonDocument arrayDocs, boolean emptyChecker)
private void	testArrayElementType(org.apache.kafka.connect.data.SchemaBuilder builder, Map.Entry<String,org.bson.BsonValue> arrayDoc, Map<String,org.bson.BsonType> union)
private void	testType(org.apache.kafka.connect.data.SchemaBuilder builder, String key, org.bson.BsonValue value, org.bson.BsonType valueType)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SCHEMA_NAME_REGEX

public static final String SCHEMA_NAME_REGEX

See Also:

• Constant Field Values

arrayEncoding

private final ExtractNewDocumentState.ArrayEncoding arrayEncoding

fieldNamer

private final FieldNameSelector.FieldNamer<String> fieldNamer

sanitizeValue

private final boolean sanitizeValue

Whether to adjust certain field values to conform with Avro requirements.

Constructor Details

MongoDataConverter

public MongoDataConverter(ExtractNewDocumentState.ArrayEncoding arrayEncoding,
 FieldNameSelector.FieldNamer<String> fieldNamer,
 boolean sanitizeValue)

MongoDataConverter

public MongoDataConverter(ExtractNewDocumentState.ArrayEncoding arrayEncoding)

Method Details

convertRecord

public org.apache.kafka.connect.data.Struct convertRecord(Map.Entry<String,org.bson.BsonValue> keyvalueforStruct,
 org.apache.kafka.connect.data.Schema schema,
 org.apache.kafka.connect.data.Struct struct)

convertFieldValue

public void convertFieldValue(Map.Entry<String,org.bson.BsonValue> keyvalueforStruct,
 org.apache.kafka.connect.data.Struct struct,
 org.apache.kafka.connect.data.Schema schema)

convertFieldValue

private void convertFieldValue(org.apache.kafka.connect.data.Schema valueSchema,
 org.bson.BsonType valueType,
 org.bson.BsonValue arrValue,
 ArrayList<Object> list)

arrayElementStructName

protected String arrayElementStructName(int i)

addFieldSchema

public void addFieldSchema(Map.Entry<String,org.bson.BsonValue> keyValuesforSchema,
 org.apache.kafka.connect.data.SchemaBuilder builder)

subSchema

private org.apache.kafka.connect.data.Schema subSchema(org.apache.kafka.connect.data.SchemaBuilder builder,
 String key,
 org.bson.BsonType valueType,
 org.bson.BsonValue value)

subSchema

private void subSchema(org.apache.kafka.connect.data.SchemaBuilder documentSchemaBuilder,
 Map<String,org.bson.BsonType> union,
 org.bson.BsonDocument arrayDocs,
 boolean emptyChecker)

testType

private void testType(org.apache.kafka.connect.data.SchemaBuilder builder,
 String key,
 org.bson.BsonValue value,
 org.bson.BsonType valueType)

testArrayElementType

private void testArrayElementType(org.apache.kafka.connect.data.SchemaBuilder builder,
 Map.Entry<String,org.bson.BsonValue> arrayDoc,
 Map<String,org.bson.BsonType> union)