Interface MetadataStoreListener
- All Known Implementing Classes:
MetadataStoreListenerAdapter
public interface MetadataStoreListener
A callback to be invoked whenever a value changes in the data store.
- Since:
- 4.2
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Method Summary
Modifier and Type Method Description voidonAdd(java.lang.String key, java.lang.String value)Invoked when a key is added to the storevoidonRemove(java.lang.String key, java.lang.String oldValue)Invoked when a key is removed from the storevoidonUpdate(java.lang.String key, java.lang.String newValue)Invoked when a key is updated into the store
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Method Details
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onAdd
void onAdd(java.lang.String key, java.lang.String value)Invoked when a key is added to the store- Parameters:
key- the key being addedvalue- the value being added
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onRemove
void onRemove(java.lang.String key, java.lang.String oldValue)Invoked when a key is removed from the store- Parameters:
key- the key being removedoldValue- the value being removed
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onUpdate
void onUpdate(java.lang.String key, java.lang.String newValue)Invoked when a key is updated into the store- Parameters:
key- the key being updatednewValue- the new value
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