CachedMessageGroupMap (ActiveMQ 5.17.0 API)

java.lang.Object
- org.apache.activemq.broker.region.group.CachedMessageGroupMap

All Implemented Interfaces:

MessageGroupMap
```
public class CachedMessageGroupMap
extends Object
implements MessageGroupMap
```
A simple implementation which tracks every individual GroupID value in a LRUCache

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ConsumerId`	`get(String groupId)`
`Map<String,String>`	`getGroups()`
`int`	`getMaximumCacheSize()`
`String`	`getType()`
`void`	`put(String groupId, ConsumerId consumerId)`
`void`	`removeAll()`
`MessageGroupSet`	`removeConsumer(ConsumerId consumerId)`
`ConsumerId`	`removeGroup(String groupId)`
`void`	`setDestination(Destination destination)`
`String`	`toString()`

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

- Method Detail
  - put
```
public void put(String groupId,
                ConsumerId consumerId)
```
    Specified by:
    
    put in interface MessageGroupMap
  - get
```
public ConsumerId get(String groupId)
```
    Specified by:
    
    get in interface MessageGroupMap
  - removeGroup
```
public ConsumerId removeGroup(String groupId)
```
    Specified by:
    
    removeGroup in interface MessageGroupMap
  - removeConsumer
```
public MessageGroupSet removeConsumer(ConsumerId consumerId)
```
    Specified by:
    
    removeConsumer in interface MessageGroupMap
  - removeAll
```
public void removeAll()
```
    Specified by:
    
    removeAll in interface MessageGroupMap
  - getGroups
```
public Map<String,String> getGroups()
```
    Specified by:
    
    getGroups in interface MessageGroupMap
    
    Returns:
    
    a map of group names and associated consumer Id
  - getType
```
public String getType()
```
    Specified by:
    
    getType in interface MessageGroupMap
  - getMaximumCacheSize
```
public int getMaximumCacheSize()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - setDestination
```
public void setDestination(Destination destination)
```
    Specified by:
    
    setDestination in interface MessageGroupMap