DatabaseNameMetadataColumn (flink-cdc-parent 3.8-SNAPSHOT API)

java.lang.Object
- org.apache.flink.cdc.connectors.postgres.source.DatabaseNameMetadataColumn

All Implemented Interfaces:

Serializable, SupportedMetadataColumn
```
public class DatabaseNameMetadataColumn
extends Object
implements SupportedMetadataColumn
```
A SupportedMetadataColumn for database_name.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

DatabaseNameMetadataColumn()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Class<?>`	`getJavaClass()`	The returned java class of the reader.
`String`	`getName()`	Column name.
`DataType`	`getType()`	The data type of this column in Flink CDC.
`Object`	`read(Map<String,String> metadata)`	Read the metadata from the `DataChangeEvent.meta()`.

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

- Constructor Detail
  - DatabaseNameMetadataColumn
```
public DatabaseNameMetadataColumn()
```
- Method Detail
  - getName
```
public String getName()
```
    Description copied from interface: SupportedMetadataColumn
    
    Column name.
    
    Specified by:
    
    getName in interface SupportedMetadataColumn
  - getType
```
public DataType getType()
```
    Description copied from interface: SupportedMetadataColumn
    
    The data type of this column in Flink CDC.
    
    Specified by:
    
    getType in interface SupportedMetadataColumn
  - getJavaClass
```
public Class<?> getJavaClass()
```
    Description copied from interface: SupportedMetadataColumn
    
    The returned java class of the reader.
    
    Specified by:
    
    getJavaClass in interface SupportedMetadataColumn
  - read
```
public Object read(Map<String,String> metadata)
```
    Description copied from interface: SupportedMetadataColumn
    
    Read the metadata from the DataChangeEvent.meta().
    
    Specified by:
    
    read in interface SupportedMetadataColumn
    
    Parameters:
    
    metadata - the metadata returned from DataChangeEvent.meta()
    
    Returns:
    
    the value of this metadata found by metadata name