InternalTopicConfig (streams 2.6.1.752-eep-922 API)

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

Direct Known Subclasses:

RepartitionTopicConfig, UnwindowedChangelogTopicConfig, WindowedChangelogTopicConfig
```
public abstract class InternalTopicConfig
extends java.lang.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 java.util.Map<java.lang.String,java.lang.String>`	`getProperties(java.util.Map<java.lang.String,java.lang.String> defaultProperties, long additionalRetentionMs)`	Get the configured properties for this topic.
`boolean`	`hasEnforcedNumberOfPartitions()`
`java.lang.String`	`name()`
`java.util.Optional<java.lang.Integer>`	`numberOfPartitions()`
`void`	`setNumberOfPartitions(int numberOfPartitions)`
`java.lang.String`	`toString()`

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

Method Detail

getProperties
```
public abstract java.util.Map<java.lang.String,java.lang.String> getProperties(java.util.Map<java.lang.String,java.lang.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 java.lang.String name()
```

numberOfPartitions

public java.util.Optional<java.lang.Integer> numberOfPartitions()

setNumberOfPartitions

public void setNumberOfPartitions(int numberOfPartitions)

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object