org.hawkular.apm.server.api.services

Interface PropertyService

All Superinterfaces:

Cache<Property<?>>

public interface PropertyService
extends Cache<Property<?>>

Provides cache for a property domain class. This class also supports access to the system and environmental properties through Cache.get(String, String) method. If it finds the property it stores it in the cache.

Author:

Pavol Loffay

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	PropertyService.Observer<Type> Observer which is used to be notified for specific events.

Method Summary

Modifier and Type	Method and Description
void	addObserver(String tenantId, String id, PropertyService.Observer observer) Add an observer for given property id.
void	remove(String tenantId, String id) Remove property from the cache.
void	removeObserver(String tenantId, String id, PropertyService.Observer observer) Remove observer for given property id.
void	store(String tenantId, Property<?> property) Store single property in the cache.

Methods inherited from interface org.hawkular.apm.server.api.services.Cache

get, store

Method Detail

store

void store(String tenantId,
           Property<?> property)
    throws CacheException

Store single property in the cache.

Parameters:

tenantId - tenant

property - property

Throws:

CacheException

remove

void remove(String tenantId,
            String id)

Remove property from the cache.

Parameters:

tenantId - tenant id

id - property id

addObserver

void addObserver(String tenantId,
                 String id,
                 PropertyService.Observer observer)

Add an observer for given property id. Callback Observer#update(Property, Property) is called when a client invokes Thisstore(String, Property). Observers can be added before storing a Property with given id.

Parameters:

tenantId - tenant

id - id of the property

observer - observer

removeObserver

void removeObserver(String tenantId,
                    String id,
                    PropertyService.Observer observer)

Remove observer for given property id.

Parameters:

tenantId - tenant

id - id of the property

observer -