new TopicSelector(type, prefix, expression)
A TopicSelector is a value that identifies one or more topics.
Parameters:
| Name | Type | Description |
|---|---|---|
type |
TopicSelector.Type | The type of this selector. |
prefix |
String | The maximum topic path prefix from this selector. |
expression |
String | The original expression of this selector. |
Members
-
<static, readonly> Prefix :String
-
Type:
- String
Properties:
Name Type Default Description PATHString > Prefix used for TopicSelector.Type.PATH expressions.
SPLIT_PATH_PATTERNString ? Prefix used for TopicSelector.Type.SPLIT_PATH_PATTERN expressions.
FULL_PATH_PATTERNString * Prefix used for TopicSelector.Type.FULL_PATH_PATTERN expressions.
SELECTOR_SETString # Prefix used for TopicSelector.Type.SELECTOR_SET expressions.
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<static, readonly> Type :TopicSelector.Prefix
-
Topic Selector type.
Type:
Properties:
Name Type Default Description PATHTopicSelector.Prefix TopicSelector.Prefix.PATH A selector that selects a single topic.
SPLIT_PATH_PATTERNTopicSelector.Prefix TopicSelector.Prefix.SPLIT_PATH_PATTERN A selector that is a split-path pattern.
FULL_PATH_PATTERNTopicSelector.Prefix TopicSelector.Prefix.FULL_PATH_PATTERN A selector that is a full-path pattern.
SELECTOR_SETTopicSelector.Prefix TopicSelector.Prefix.SELECTOR_SET A composite of multiple selectors.
Methods
-
selects(topicPath)
-
Evaluate this selector against a topic path.
Parameters:
Name Type Description topicPathString The topic path
Returns:
If this selector selects the topic path
- Type
- Boolean