public class PartitionDependencyManagerService extends Object implements Service
Modifier and Type | Field and Description |
---|---|
static String |
CACHE_MANAGER_IMPL |
static String |
CACHE_PURGE_INTERVAL |
static String |
CACHE_PURGE_TTL |
static String |
CONF_PREFIX |
DEFAULT_LOCK_TIMEOUT, lockTimeout
Constructor and Description |
---|
PartitionDependencyManagerService() |
Modifier and Type | Method and Description |
---|---|
void |
addMissingDependency(HCatURI hcatURI,
String actionID)
Add a missing partition dependency and the actionID waiting on it
|
void |
destroy()
Destroy the service.
|
Collection<String> |
getAvailableDependencyURIs(String actionID)
Get a list of available dependency URIs for a actionID
|
Class<? extends Service> |
getInterface()
Return the public interface of the service.
|
Collection<String> |
getWaitingActions(HCatURI hcatURI)
Get the list of actionIDs waiting for a partition
|
void |
init(Services services)
Initialize the service.
|
void |
partitionAvailable(String server,
String db,
String table,
Map<String,String> partitions)
Mark a partition dependency as available
|
boolean |
removeAvailableDependencyURIs(String actionID,
Collection<String> dependencyURIs)
Remove the list of available dependency URIs for a actionID once the missing dependencies are processed.
|
void |
removeCoordActionWithDependenciesAvailable(String actionID)
Remove a coord action from dependency cache when all push missing dependencies available
|
boolean |
removeMissingDependency(HCatURI hcatURI,
String actionID)
Remove a missing partition dependency associated with a actionID
|
void |
runCachePurgeWorker() |
public static final String CONF_PREFIX
public static final String CACHE_MANAGER_IMPL
public static final String CACHE_PURGE_INTERVAL
public static final String CACHE_PURGE_TTL
public PartitionDependencyManagerService()
public void init(Services services) throws ServiceException
Service
Invoked by the Service
singleton at start up time.
init
in interface Service
services
- services singleton initializing the service.ServiceException
- thrown if the service could not initialize.public void destroy()
Service
Invoked by the Service
singleton at shutdown time.
public Class<? extends Service> getInterface()
Service
Services are retrieved by its public interface. Specializations of services must return the public interface.
getInterface
in interface Service
public void addMissingDependency(HCatURI hcatURI, String actionID)
hcatURI
- dependency URIactionID
- ID of action which is waiting for the dependencypublic boolean removeMissingDependency(HCatURI hcatURI, String actionID)
hcatURI
- dependency URIactionID
- ID of action which is waiting for the dependencypublic Collection<String> getWaitingActions(HCatURI hcatURI)
hcatURI
- dependency URIpublic void partitionAvailable(String server, String db, String table, Map<String,String> partitions)
server
- host:port of the serverdb
- name of the databasetable
- name of the tablepartitions
- list of available partitionspublic Collection<String> getAvailableDependencyURIs(String actionID)
actionID
- action idpublic boolean removeAvailableDependencyURIs(String actionID, Collection<String> dependencyURIs)
actionID
- action iddependencyURIs
- set of dependency URIspublic void removeCoordActionWithDependenciesAvailable(String actionID)
actionID
- action idpublic void runCachePurgeWorker()
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