org.eclipse.smila.importing.state.objectstore
Class ObjectStoreStateService

java.lang.Object
  org.eclipse.smila.importing.state.objectstore.ObjectStoreStateService

public class ObjectStoreStateService
extends java.lang.Object

ObjectStore based implementation of a state service used in the jobmanager based importing framework.

Author:

scum36

Field Summary

protected static java.lang.String	KEY key for the entry.
protected static java.lang.String	KEY_COMPOUNDID key for the compoundId entry in the data object.
protected static java.lang.String	KEY_DESCRIPTOR key for the descriptor entry in the data object.
protected static java.lang.String	KEY_JOBRUNID key for the job run ID entry in the data object.
protected static java.lang.String	KEY_OBJECTID key for the objectId entry in the data object.
protected static java.lang.String	KEY_SOURCEID key for the sourceId entry in the data object.
protected static java.lang.String	ROOT_ENTRIES root directory in ObjectStore for delta entries.

Constructor Summary

ObjectStoreStateService(java.lang.String storeName, StateStoreConfiguration configuration, ObjectStoreService objectStore)
creates a new instance of the service.

Method Summary

void	clearAll() clears all stores.
void	clearSource(java.lang.String sourceId) clears a source.
long	countEntries(java.lang.String sourceId, boolean countExact) count the entries of the given source.
void	deleteEntry(java.lang.String sourceId, DeltaService.EntryId entryId) remove an entry.
AnyMap	getEntry(java.lang.String sourceId, java.lang.String objectId, java.lang.String compoundId) retrieves the information for an entry.
java.util.Collection<java.lang.String>	getShardPrefixes(java.lang.String sourceId) get object-id prefixes of all shards to use as input for getUnvisitedObjectIds(String, String).
java.util.Collection<java.lang.String>	getSourceIds()
java.util.Collection<DeltaService.EntryId>	getUnvisitedObjectIds(java.lang.String sourceAndShardPrefix, java.lang.String jobRunId) get all object IDs from a shard that have not been visited in the given job run.
void	mark(java.lang.String sourceId, java.lang.String objectId, java.lang.String compoundId, java.lang.String jobRunId, java.lang.String descriptor) marks an entry.
void	markCompoundElementsVisited(java.lang.String sourceId, java.lang.String compoundRecordId, java.lang.String jobRunId) update the job run id of all entries that belong to the given compound.
protected void	writeEntry(AnyMap value) update the entry in the objectstore.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

KEY

protected static final java.lang.String KEY

key for the entry.

See Also:

Constant Field Values

KEY_OBJECTID

protected static final java.lang.String KEY_OBJECTID

key for the objectId entry in the data object.

See Also:

Constant Field Values

KEY_COMPOUNDID

protected static final java.lang.String KEY_COMPOUNDID

key for the compoundId entry in the data object.

See Also:

Constant Field Values

KEY_SOURCEID

protected static final java.lang.String KEY_SOURCEID

key for the sourceId entry in the data object.

See Also:

Constant Field Values

KEY_DESCRIPTOR

protected static final java.lang.String KEY_DESCRIPTOR

key for the descriptor entry in the data object.

See Also:

Constant Field Values

KEY_JOBRUNID

protected static final java.lang.String KEY_JOBRUNID

key for the job run ID entry in the data object.

See Also:

Constant Field Values

ROOT_ENTRIES

protected static final java.lang.String ROOT_ENTRIES

root directory in ObjectStore for delta entries.

See Also:

Constant Field Values

Constructor Detail

ObjectStoreStateService

public ObjectStoreStateService(java.lang.String storeName,
                               StateStoreConfiguration configuration,
                               ObjectStoreService objectStore)

creates a new instance of the service.

Method Detail

getEntry

public AnyMap getEntry(java.lang.String sourceId,
                       java.lang.String objectId,
                       java.lang.String compoundId)
                throws StateException

retrieves the information for an entry.

Throws:

StateException

mark

public void mark(java.lang.String sourceId,
                 java.lang.String objectId,
                 java.lang.String compoundId,
                 java.lang.String jobRunId,
                 java.lang.String descriptor)
          throws StateException

marks an entry.

Throws:

StateException

clearSource

public void clearSource(java.lang.String sourceId)
                 throws StateException

clears a source.

Throws:

StateException

clearAll

public void clearAll()
              throws StateException

clears all stores.

Throws:

StateException

getSourceIds

public java.util.Collection<java.lang.String> getSourceIds()
                                                    throws StateException

Returns:

all source ids. Throws StateNotFoundException if store doesn't exist yet.

Throws:

StateException

countEntries

public long countEntries(java.lang.String sourceId,
                         boolean countExact)
                  throws StateException

count the entries of the given source. Throws StateNotFoundException if store or source do not exist yet.

Throws:

StateException

getShardPrefixes

public java.util.Collection<java.lang.String> getShardPrefixes(java.lang.String sourceId)
                                                        throws StateException

get object-id prefixes of all shards to use as input for getUnvisitedObjectIds(String, String).

Throws:

StateException

getUnvisitedObjectIds

public java.util.Collection<DeltaService.EntryId> getUnvisitedObjectIds(java.lang.String sourceAndShardPrefix,
                                                                        java.lang.String jobRunId)
                                                                 throws StateException

get all object IDs from a shard that have not been visited in the given job run.

Throws:

StateException

markCompoundElementsVisited

public void markCompoundElementsVisited(java.lang.String sourceId,
                                        java.lang.String compoundRecordId,
                                        java.lang.String jobRunId)
                                 throws StateException

update the job run id of all entries that belong to the given compound.

Throws:

StateException

deleteEntry

public void deleteEntry(java.lang.String sourceId,
                        DeltaService.EntryId entryId)
                 throws StateException

remove an entry.

Throws:

StateException

writeEntry

protected void writeEntry(AnyMap value)
                   throws StateException

update the entry in the objectstore.

Throws:

StateException