InternalTopicConfig (kafka 2.6.1.100-eep-810 API)

java.lang.Object
- org.apache.kafka.streams.processor.internals.InternalTopicConfig

Direct Known Subclasses:

RepartitionTopicConfig, UnwindowedChangelogTopicConfig, WindowedChangelogTopicConfig
```
public abstract class InternalTopicConfig
extends Object
```
InternalTopicConfig captures the properties required for configuring the internal topics we create for change-logs and repartitioning etc.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract Map<String,String>`	`getProperties(Map<String,String> defaultProperties, long additionalRetentionMs)`	Get the configured properties for this topic.
`boolean`	`hasEnforcedNumberOfPartitions()`
`String`	`name()`
`Optional<Integer>`	`numberOfPartitions()`
`void`	`setNumberOfPartitions(int numberOfPartitions)`
`String`	`toString()`

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

- Method Detail
  - getProperties
```
public abstract Map<String,String> getProperties(Map<String,String> defaultProperties,
                                                       long additionalRetentionMs)
```
    Get the configured properties for this topic. If retentionMs is set then we add additionalRetentionMs to work out the desired retention when cleanup.policy=compact,delete
    
    Parameters:
    
    additionalRetentionMs - - added to retention to allow for clock drift etc
    
    Returns:
    
    Properties to be used when creating the topic
  - hasEnforcedNumberOfPartitions
```
public boolean hasEnforcedNumberOfPartitions()
```
  - name
```
public String name()
```
  - numberOfPartitions
```
public Optional<Integer> numberOfPartitions()
```
  - setNumberOfPartitions
```
public void setNumberOfPartitions(int numberOfPartitions)
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object