Metadata (Red Hat Data Grid 7.3.9 API)

All Known Subinterfaces:

InternalMetadata

All Known Implementing Classes:

EmbeddedMetadata, MemcachedMetadata, MimeMetadata, RemoteMetadata
```
public interface Metadata
```
This interface encapsulates metadata information that can be stored alongside values in the cache.

Since:

5.3

Author:

Galder Zamarreño

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface Metadata.Builder
Metadata builder

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Metadata.Builder`	`builder()`	Returns an instance of `Metadata.Builder` which can be used to build new instances of `Metadata` instance which are full copies of this `Metadata`.
`long`	`lifespan()`	Returns the lifespan of the cache entry with which this metadata object is associated, in milliseconds.
`long`	`maxIdle()`	Returns the the maximum amount of time that the cache entry associated with this metadata object is allowed to be idle for before it is considered as expired, in milliseconds.
`EntryVersion`	`version()`	Returns the version of the cache entry with which this metadata object is associated.

- Method Detail
  - lifespan
```
long lifespan()
```
    Returns the lifespan of the cache entry with which this metadata object is associated, in milliseconds. Negative values are interpreted as unlimited lifespan.
    
    Returns:
    
    lifespan of the entry in number of milliseconds
  - maxIdle
```
long maxIdle()
```
    Returns the the maximum amount of time that the cache entry associated with this metadata object is allowed to be idle for before it is considered as expired, in milliseconds.
    
    Returns:
    
    maximum idle time of the entry in number of milliseconds
  - version
```
EntryVersion version()
```
    Returns the version of the cache entry with which this metadata object is associated.
    
    Returns:
    
    version of the entry
  - builder
```
Metadata.Builder builder()
```
    Returns an instance of Metadata.Builder which can be used to build new instances of Metadata instance which are full copies of this Metadata.
    
    Returns:
    
    instance of Metadata.Builder