Package io.debezium.connector.jdbc.type

Class AbstractType

java.lang.Object

io.debezium.connector.jdbc.type.AbstractType

All Implemented Interfaces:

Type

Direct Known Subclasses:

AbstractConnectSchemaType, AbstractGeoType, AbstractTemporalType, BitType, BitType, BitType, BooleanType, BytesType, BytesType, BytesType, BytesType, CaseInsensitiveTextType, CidrType, ConnectDecimalType, EnumType, EnumType, InetType, IntegerType, IntervalType, JsonType, JsonType, LtreeType, MacAddressType, MediumIntType, MoneyType, NumberType, OidType, RangeType, SerialType, SetType, TinyIntType, UuidType, VariableScaleDecimalType, XmlType, XmlType, YearType

public abstract class AbstractType
extends Object
implements Type

An abstract implementation of Type, which all types should extend.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private DatabaseDialect	dialect

Constructor Summary

Constructors

Constructor	Description
AbstractType()

Method Summary

Modifier and Type	Method	Description
int	bind(org.hibernate.query.Query<?> query, int index, org.apache.kafka.connect.data.Schema schema, Object value)	Binds the value to the query.
void	configure(JdbcSinkConnectorConfig config, DatabaseDialect dialect)	Allows a type to perform initialization/configuration tasks based on user configs.
String	getDefaultValueBinding(DatabaseDialect dialect, org.apache.kafka.connect.data.Schema schema, Object value)	Resolve the default value clause value.
protected DatabaseDialect	getDialect()
String	getQueryBinding(ColumnDescriptor column, org.apache.kafka.connect.data.Schema schema, Object value)	Return the SQL string to be used in DML statements for binding this type to SQL.
protected Optional<String>	getSchemaParameter(org.apache.kafka.connect.data.Schema schema, String parameterName)
protected Optional<String>	getSourceColumnPrecision(org.apache.kafka.connect.data.Schema schema)
protected Optional<String>	getSourceColumnSize(org.apache.kafka.connect.data.Schema schema)
protected Optional<String>	getSourceColumnType(org.apache.kafka.connect.data.Schema schema)
protected void	throwUnexpectedValue(Object value)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.connector.jdbc.type.Type

getRegistrationKeys, getTypeName

Field Details

dialect

private DatabaseDialect dialect

Constructor Details

AbstractType

public AbstractType()

Method Details

configure

public void configure(JdbcSinkConnectorConfig config,
 DatabaseDialect dialect)

Description copied from interface: Type

Allows a type to perform initialization/configuration tasks based on user configs.

Specified by:

configure in interface Type

Parameters:

config - the JDBC sink connector's configuration, should not be null

dialect - the database dialect, should not be null

getQueryBinding

public String getQueryBinding(ColumnDescriptor column,
 org.apache.kafka.connect.data.Schema schema,
 Object value)

Description copied from interface: Type

Return the SQL string to be used in DML statements for binding this type to SQL.

Specified by:

getQueryBinding in interface Type

Parameters:

column - column descriptor in the table relational model, never null

schema - field schema, never null

value - value to be bound, may be null

Returns:

query parameter argument binding SQL fragment

getDefaultValueBinding

public String getDefaultValueBinding(DatabaseDialect dialect,
 org.apache.kafka.connect.data.Schema schema,
 Object value)

Description copied from interface: Type

Resolve the default value clause value.

Specified by:

getDefaultValueBinding in interface Type

Parameters:

dialect - dialect instance, never null

schema - field schema, never null

value - the default value, should not be null

Returns:

the formatted default value for the SQL statement as a string

bind

public int bind(org.hibernate.query.Query<?> query,
 int index,
 org.apache.kafka.connect.data.Schema schema,
 Object value)

Description copied from interface: Type

Binds the value to the query.

Specified by:

bind in interface Type

Parameters:

query - hibernate query, is never null

index - parameter index to bind

schema - field schema, never null

value - value to be bound, may be null

Returns:

the number of bound parameters

getDialect

protected DatabaseDialect getDialect()

getSourceColumnType

protected Optional<String> getSourceColumnType(org.apache.kafka.connect.data.Schema schema)

getSourceColumnSize

protected Optional<String> getSourceColumnSize(org.apache.kafka.connect.data.Schema schema)

getSourceColumnPrecision

protected Optional<String> getSourceColumnPrecision(org.apache.kafka.connect.data.Schema schema)

getSchemaParameter

protected Optional<String> getSchemaParameter(org.apache.kafka.connect.data.Schema schema,
 String parameterName)

throwUnexpectedValue

protected void throwUnexpectedValue(Object value)
                             throws org.apache.kafka.connect.errors.ConnectException

Throws:

org.apache.kafka.connect.errors.ConnectException

toString

public String toString()

Overrides:

toString in class Object