Package org.fcrepo.kernel.impl.services

Class MembershipIndexManager

java.lang.Object

org.fcrepo.kernel.impl.services.MembershipIndexManager

@Component
public class MembershipIndexManager
extends Object

Manager for the membership index

Author:

bbpennel

Constructor Summary

Constructors

Constructor	Description
MembershipIndexManager()

Method Summary

Modifier and Type	Method	Description
void	addMembership(Transaction tx, FedoraId sourceId, FedoraId proxyId, org.apache.jena.graph.Triple membership, Instant startTime)	Add new membership property to the index, clearing any delete operations for the property if necessary.
void	addMembership(Transaction tx, FedoraId sourceId, FedoraId proxyId, org.apache.jena.graph.Triple membership, Instant startTime, Instant endTime)	Add new membership property to the index
void	clearIndex()	Clear all entries from the index
void	commitTransaction(Transaction tx)	Perform a commit of operations stored in the specified transaction
void	deleteMembershipForProxyAfter(Transaction tx, FedoraId sourceId, FedoraId proxyId, Instant afterTime)
void	deleteMembershipForSourceAfter(Transaction tx, FedoraId sourceId, Instant afterTime)	Delete membership entries that are active at or after the given timestamp for the specified source
void	deleteMembershipReferences(String txId, FedoraId targetId)	Clean up any references to the target id, in transactions and outside
void	deleteTransaction(Transaction tx)	Delete all entries related to a transaction
void	endMembershipForSource(Transaction tx, FedoraId sourceId, Instant endTime)	End all membership properties resulting from the specified source container
void	endMembershipFromChild(Transaction tx, FedoraId sourceId, FedoraId proxyId, Instant endTime)	End a membership from the child of a Direct/IndirectContainer, setting an end time if committed, or clearing from the current tx if it was newly added.
DataSource	getDataSource()	Get the JDBC datastore.
Instant	getLastUpdated(Transaction transaction, FedoraId subjectId)
Stream<org.apache.jena.graph.Triple>	getMembership(Transaction tx, FedoraId subjectId)	Get a stream of membership triples with
protected void	logMembership()	Log all membership entries, for debugging usage only
protected void	logOperations()	Log all membership operations, for debugging usage only
void	setDataSource(DataSource dataSource)	Set the JDBC datastore.
void	setUp()

Methods inherited from class java.lang.Object

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

Constructor Detail

MembershipIndexManager

public MembershipIndexManager()

Method Detail

setUp

@PostConstruct
public void setUp()

endMembershipFromChild

public void endMembershipFromChild(Transaction tx,
                                   FedoraId sourceId,
                                   FedoraId proxyId,
                                   Instant endTime)

End a membership from the child of a Direct/IndirectContainer, setting an end time if committed, or clearing from the current tx if it was newly added.

Parameters:

tx - transaction

sourceId - ID of the direct/indirect container whose membership should be ended

proxyId - ID of the proxy producing this membership, when applicable

endTime - the time the resource was deleted, generally its last modified

deleteMembershipForProxyAfter

public void deleteMembershipForProxyAfter(Transaction tx,
                                          FedoraId sourceId,
                                          FedoraId proxyId,
                                          Instant afterTime)

endMembershipForSource

public void endMembershipForSource(Transaction tx,
                                   FedoraId sourceId,
                                   Instant endTime)

End all membership properties resulting from the specified source container

Parameters:

tx - transaction

sourceId - ID of the direct/indirect container whose membership should be ended

endTime - the time the resource was deleted, generally its last modified

deleteMembershipForSourceAfter

public void deleteMembershipForSourceAfter(Transaction tx,
                                           FedoraId sourceId,
                                           Instant afterTime)

Delete membership entries that are active at or after the given timestamp for the specified source

Parameters:

tx - transaction

sourceId - ID of the direct/indirect container

afterTime - time at or after which membership should be removed

deleteMembershipReferences

public void deleteMembershipReferences(String txId,
                                       FedoraId targetId)

Clean up any references to the target id, in transactions and outside

Parameters:

txId - transaction id

targetId - identifier of the resource to cleanup membership references for

addMembership

public void addMembership(Transaction tx,
                          FedoraId sourceId,
                          FedoraId proxyId,
                          org.apache.jena.graph.Triple membership,
                          Instant startTime)

Add new membership property to the index, clearing any delete operations for the property if necessary.

Parameters:

tx - transaction

sourceId - ID of the direct/indirect container which produced the membership

proxyId - ID of the proxy producing this membership, when applicable

membership - membership triple

startTime - time the membership triple was added

addMembership

public void addMembership(Transaction tx,
                          FedoraId sourceId,
                          FedoraId proxyId,
                          org.apache.jena.graph.Triple membership,
                          Instant startTime,
                          Instant endTime)

Add new membership property to the index

Parameters:

tx - transaction

sourceId - ID of the direct/indirect container which produced the membership

proxyId - ID of the proxy producing this membership, when applicable

membership - membership triple

startTime - time the membership triple was added

endTime - time the membership triple ends, or never if not provided

getMembership

public Stream<org.apache.jena.graph.Triple> getMembership(Transaction tx,
                                                          FedoraId subjectId)

Get a stream of membership triples with

Parameters:

tx - transaction from which membership will be retrieved, or null for no transaction

subjectId - ID of the subject

Returns:

Stream of membership triples

getLastUpdated

public Instant getLastUpdated(Transaction transaction,
                              FedoraId subjectId)

commitTransaction

public void commitTransaction(Transaction tx)

Perform a commit of operations stored in the specified transaction

Parameters:

tx - transaction

deleteTransaction

@Transactional(propagation=NOT_SUPPORTED)
public void deleteTransaction(Transaction tx)

Delete all entries related to a transaction

Parameters:

tx - transaction

clearIndex

public void clearIndex()

Clear all entries from the index

logMembership

protected void logMembership()

Log all membership entries, for debugging usage only

logOperations

protected void logOperations()

Log all membership operations, for debugging usage only

setDataSource

public void setDataSource(DataSource dataSource)

Set the JDBC datastore.

Parameters:

dataSource - the dataStore.

getDataSource

public DataSource getDataSource()

Get the JDBC datastore.

Returns:

the dataStore.