CdcEvent (Ignite 2.17.0)

All Superinterfaces:

Serializable

All Known Implementing Classes:

CdcEventImpl
```
public interface CdcEvent
extends Serializable
```
Event of single entry change. Instance presents new value of modified entry.

See Also:

CdcMain, CdcConsumer

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`cacheId()`
`long`	`expireTime()`
`Object`	`key()`
`int`	`partition()`	Ignite split dataset into smaller chunks to distribute them across the cluster.
`boolean`	`primary()`
`@Nullable Object`	`value()`
`CacheEntryVersion`	`version()`

- Method Detail
  - key
```
Object key()
```
    Returns:
    
    Key for the changed entry.
  - value
```
@Nullable
@Nullable Object value()
```
    Returns:
    
    Value for the changed entry or null in case of entry removal.
  - primary
```
boolean primary()
```
    Returns:
    
    True if event fired on primary node for partition containing this entry.
    
    See Also:
    
    Configuring partition backups.
  - partition
```
int partition()
```
    Ignite split dataset into smaller chunks to distribute them across the cluster. CdcConsumer implementations can use partition() to split changes processing in the same way as it done for the cache.
    
    Returns:
    
    Partition number.
    
    See Also:
    
    Affinity.partition(Object), Affinity.partitions(), Data partitioning, Affinity collocation
  - version
```
CacheEntryVersion version()
```
    Returns:
    
    Version of the entry.
  - cacheId
```
int cacheId()
```
    Returns:
    
    Cache ID.
    
    See Also:
    
    GridCacheUtils.cacheId(String), CacheView.cacheId()
  - expireTime
```
long expireTime()
```
    Returns:
    
    Time when entry will be removed from cache. If 0 then entry will be cached until removed.
    
    See Also:
    
    IgniteCache.withExpiryPolicy(ExpiryPolicy), CacheConfiguration.setExpiryPolicyFactory(Factory), GridCacheUtils.EXPIRE_TIME_ETERNAL