io.debezium.relational.mapping

Class ColumnMappers.Builder

java.lang.Object

io.debezium.relational.mapping.ColumnMappers.Builder

Enclosing class:

ColumnMappers

public static class ColumnMappers.Builder
extends Object

A builder of Selectors.

Author:

Randall Hauch

Field Summary

Fields

Modifier and Type	Field and Description
private List<ColumnMappers.MapperRule>	rules
private Selectors.TableIdToStringMapper	tableIdMapper

Constructor Summary

Constructors

Constructor and Description
Builder(Selectors.TableIdToStringMapper tableIdMapper)

Method Summary

Modifier and Type	Method and Description
ColumnMappers	build() Build the Predicate that determines whether a table identified by a given TableId is to be included.
String	fullyQualifiedColumnDatatype(TableId tableId, Column column)
String	fullyQualifiedColumnName(TableId tableId, Column column)
ColumnMappers.Builder	map(String fullyQualifiedColumnNames, Class<ColumnMapper> mapperClass) Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	map(String fullyQualifiedColumnNames, Class<ColumnMapper> mapperClass, Configuration config) Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	map(String fullyQualifiedColumnNames, ColumnMapper mapper) Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	map(String fullyQualifiedColumnNames, String mapperClassName) Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	map(String fullyQualifiedColumnNames, String mapperClassName, Configuration config) Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	mapByDatatype(String columnDatatypes, ColumnMapper mapper)
String	mappedTableColumnDatatype(TableId tableId, Column column)
String	mappedTableColumnName(TableId tableId, Column column)
private TableId	mappedTableId(TableId tableId)
ColumnMappers.Builder	maskStrings(String fullyQualifiedColumnNames, int numberOfChars) Use a string of the specified number of '*' characters to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	maskStrings(String fullyQualifiedColumnNames, int numberOfChars, char maskChar) Use a string of the specified number of characters to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	maskStrings(String fullyQualifiedColumnNames, String maskValue) Use the specified string to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.
ColumnMappers.Builder	maskStringsByHashing(String fullyQualifiedColumnNames, String hashAlgorithm, String salt)
ColumnMappers.Builder	propagateSourceTypeToSchemaParameter(String fullyQualifiedColumnNames, String value)
ColumnMappers.Builder	propagateSourceTypeToSchemaParameterByDatatype(String columnDatatypes, String value)
ColumnMappers.Builder	truncateStrings(String fullyQualifiedColumnNames, int maxLength) Truncate to a maximum length the string values for each of the columns with the fully-qualified names.

Methods inherited from class java.lang.Object

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

Field Detail

rules

private final List<ColumnMappers.MapperRule> rules

tableIdMapper

private final Selectors.TableIdToStringMapper tableIdMapper

Constructor Detail

Builder

public Builder(Selectors.TableIdToStringMapper tableIdMapper)

Method Detail

map

public ColumnMappers.Builder map(String fullyQualifiedColumnNames,
                                 ColumnMapper mapper)

Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

mapper - the column mapping function that will be used to map actual values into values used in the output record; null if an existing mapping function should be removed

Returns:

this object so that methods can be chained together; never null

fullyQualifiedColumnName

public String fullyQualifiedColumnName(TableId tableId,
                                       Column column)

mappedTableColumnName

public String mappedTableColumnName(TableId tableId,
                                    Column column)

mapByDatatype

public ColumnMappers.Builder mapByDatatype(String columnDatatypes,
                                           ColumnMapper mapper)

fullyQualifiedColumnDatatype

public String fullyQualifiedColumnDatatype(TableId tableId,
                                           Column column)

mappedTableColumnDatatype

public String mappedTableColumnDatatype(TableId tableId,
                                        Column column)

map

public ColumnMappers.Builder map(String fullyQualifiedColumnNames,
                                 Class<ColumnMapper> mapperClass)

Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

mapperClass - the Java class that implements BiFunction<Column, Object, Object> and that will be used to map actual values into values used in the output record; may not be null

Returns:

this object so that methods can be chained together; never null

map

public ColumnMappers.Builder map(String fullyQualifiedColumnNames,
                                 Class<ColumnMapper> mapperClass,
                                 Configuration config)

Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

mapperClass - the Java class that implements BiFunction<Column, Object, Object> and that will be used to map actual values into values used in the output record; may not be null

config - the configuration to pass to the ColumnMapper instance; may be null

Returns:

this object so that methods can be chained together; never null

truncateStrings

public ColumnMappers.Builder truncateStrings(String fullyQualifiedColumnNames,
                                             int maxLength)

Truncate to a maximum length the string values for each of the columns with the fully-qualified names. Only columns String values can be truncated.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

maxLength - the maximum number of characters to appear in the value

Returns:

this object so that methods can be chained together; never null

maskStrings

public ColumnMappers.Builder maskStrings(String fullyQualifiedColumnNames,
                                         int numberOfChars)

Use a string of the specified number of '*' characters to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

numberOfChars - the number of mask characters to be used in the mask value

Returns:

this object so that methods can be chained together; never null

maskStrings

public ColumnMappers.Builder maskStrings(String fullyQualifiedColumnNames,
                                         int numberOfChars,
                                         char maskChar)

Use a string of the specified number of characters to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

numberOfChars - the number of mask characters to be used in the mask value

maskChar - the character to be used; may not be null

Returns:

this object so that methods can be chained together; never null

maskStrings

public ColumnMappers.Builder maskStrings(String fullyQualifiedColumnNames,
                                         String maskValue)

Use the specified string to mask the string values for each of the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

maskValue - the value to be used in place of the actual value; may not be null

Returns:

this object so that methods can be chained together; never null

maskStringsByHashing

public ColumnMappers.Builder maskStringsByHashing(String fullyQualifiedColumnNames,
                                                  String hashAlgorithm,
                                                  String salt)

propagateSourceTypeToSchemaParameter

public ColumnMappers.Builder propagateSourceTypeToSchemaParameter(String fullyQualifiedColumnNames,
                                                                  String value)

propagateSourceTypeToSchemaParameterByDatatype

public ColumnMappers.Builder propagateSourceTypeToSchemaParameterByDatatype(String columnDatatypes,
                                                                            String value)

map

public ColumnMappers.Builder map(String fullyQualifiedColumnNames,
                                 String mapperClassName)

Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

mapperClassName - the name of the Java class that implements BiFunction<Column, Object, Object> and that will be used to map actual values into values used in the output record; null if an existing mapping function should be removed

Returns:

this object so that methods can be chained together; never null

map

public ColumnMappers.Builder map(String fullyQualifiedColumnNames,
                                 String mapperClassName,
                                 Configuration config)

Set a mapping function for the columns with fully-qualified names that match the given comma-separated list of regular expression patterns.

Parameters:

fullyQualifiedColumnNames - the comma-separated list of fully-qualified column names; may not be null

mapperClassName - the name of the Java class that implements BiFunction<Column, Object, Object> and that will be used to map actual values into values used in the output record; null if an existing mapping function should be removed

config - the configuration to pass to the ColumnMapper instance; may be null

Returns:

this object so that methods can be chained together; never null

build

public ColumnMappers build()

Build the Predicate that determines whether a table identified by a given TableId is to be included.

Returns:

the table selection predicate; never null

mappedTableId

private TableId mappedTableId(TableId tableId)