TopicSubscription (JORAM 5.24.0 API)

java.lang.Object
- org.objectweb.joram.mom.proxies.TopicSubscription

```
class TopicSubscription
extends Object
```
The TopicSubscription class holds the parameters of a proxy's subscription to a topic.

Field Summary

Fields
Modifier and Type Field Description

private String lastSelector
Last built selector.

private Map<String,String> subs
Table of subscriptions selectors.

Constructor Summary

Constructors
Constructor Description

TopicSubscription()
Creates a TopicSubscription instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) String`	`buildSelector()`	Returns a selector built from the subscriptions' selectors.
`(package private) String`	`getLastSelector()`	Returns the last selector value.
`(package private) Iterator<String>`	`getNames()`	Returns the names of the subscriptions.
`(package private) boolean`	`isEmpty()`	Returns `true` if the subscriptions table is empty.
`(package private) void`	`putSubscription(String name, String selector)`	Adds a new subscription or updates an existing one.
`(package private) void`	`removeSubscription(String name)`	Removes a subscription.
`(package private) void`	`setLastSelector(String selector)`	Sets the last selector value.
`(package private) int`	`size()`	Returns the number of subscriptions.

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

- Field Detail
  - subs
```
private Map<String,String> subs
```
    Table of subscriptions selectors.
  - lastSelector
```
private String lastSelector
```
    Last built selector.
- Constructor Detail
  - TopicSubscription
```
TopicSubscription()
```
    Creates a TopicSubscription instance.
- Method Detail
  - putSubscription
```
void putSubscription(String name,
                     String selector)
```
    Adds a new subscription or updates an existing one.
    
    Parameters:
    
    name - Subscription name.
    
    selector - Selector.
  - removeSubscription
```
void removeSubscription(String name)
```
    Removes a subscription.
    
    Parameters:
    
    name - Subscription name.
  - isEmpty
```
boolean isEmpty()
```
    Returns true if the subscriptions table is empty.
  - buildSelector
```
String buildSelector()
```
    Returns a selector built from the subscriptions' selectors.
  - setLastSelector
```
void setLastSelector(String selector)
```
    Sets the last selector value.
  - getLastSelector
```
String getLastSelector()
```
    Returns the last selector value.
  - getNames
```
Iterator<String> getNames()
```
    Returns the names of the subscriptions.
  - size
```
int size()
```
    Returns the number of subscriptions.