Key.CustomKeyMapper (Debezium Core 1.8.1.Final API)

java.lang.Object
- io.debezium.relational.Key.CustomKeyMapper

Enclosing class:

Key
```
public static class Key.CustomKeyMapper
extends Object
```
Custom Key mapper used to override or defining a custom Key

Field Summary

Fields
Modifier and Type	Field	Description
`private static Pattern`	`COLUMN_SPLIT`
`static Pattern`	`MSG_KEY_COLUMNS_PATTERN`	Pattern for defining the PK columns of a given table, in the form of "table:column1(,column2,...)", optionally with leading/trailing whitespace.
`static Pattern`	`PATTERN_SPLIT`
`private static Pattern`	`TABLE_SPLIT`

Constructor Summary

Constructors
Constructor Description

CustomKeyMapper()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Key.KeyMapper`	`getInstance(String fullyQualifiedColumnNames, Selectors.TableIdToStringMapper tableIdMapper)`	Getting an instance with a list of regexp (table:column1,column2) delimited by ';' matching the tables keys.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MSG_KEY_COLUMNS_PATTERN
```
public static final Pattern MSG_KEY_COLUMNS_PATTERN
```
    Pattern for defining the PK columns of a given table, in the form of "table:column1(,column2,...)", optionally with leading/trailing whitespace.
  - PATTERN_SPLIT
```
public static final Pattern PATTERN_SPLIT
```
  - TABLE_SPLIT
```
private static final Pattern TABLE_SPLIT
```
  - COLUMN_SPLIT
```
private static final Pattern COLUMN_SPLIT
```
- Constructor Detail
  - CustomKeyMapper
```
public CustomKeyMapper()
```
- Method Detail
  - getInstance
```
public static Key.KeyMapper getInstance(String fullyQualifiedColumnNames,
                                        Selectors.TableIdToStringMapper tableIdMapper)
```
    Getting an instance with a list of regexp (table:column1,column2) delimited by ';' matching the tables keys. ex: inventory.customers:pk1,pk2;(.*).purchaseorders:pk3,pk4
    
    Parameters:
    
    fullyQualifiedColumnNames - a list of regex
    
    tableIdMapper - mapper of tableIds to a String
    
    Returns:
    
    a new CustomKeyMapper or null if fullyQualifiedColumnNames is invalid.