/**
* Delete a repository connection.
*
* @param name is the name of the connection to delete. If the name does not exist, no error is
* returned.
*/
public void delete(String name) throws ManifoldCFException {
// Grab a job manager handle. We will need to check if any jobs refer to this connection.
IJobManager jobManager = JobManagerFactory.make(threadContext);
StringSetBuffer ssb = new StringSetBuffer();
ssb.add(getRepositoryConnectionsKey());
ssb.add(getRepositoryConnectionKey(name));
StringSet cacheKeys = new StringSet(ssb);
ICacheHandle ch = cacheManager.enterCache(null, cacheKeys, getTransactionID());
try {
beginTransaction();
try {
// Check if any jobs refer to this connection name
if (jobManager.checkIfReference(name))
throw new ManifoldCFException(
"Can't delete repository connection '" + name + "': existing jobs refer to it");
ManifoldCF.noteConfigurationChange();
throttleSpecManager.deleteRows(name);
historyManager.deleteOwner(name);
ArrayList params = new ArrayList();
String query =
buildConjunctionClause(
params, new ClauseDescription[] {new UnitaryClause(nameField, name)});
performDelete("WHERE " + query, params, null);
cacheManager.invalidateKeys(ch);
} catch (ManifoldCFException e) {
signalRollback();
throw e;
} catch (Error e) {
signalRollback();
throw e;
} finally {
endTransaction();
}
} finally {
cacheManager.leaveCache(ch);
}
}
protected void localCleanUp() throws Exception {
IThreadContext tc = ThreadContextFactory.make();
Exception currentException = null;
// First, tear down all jobs, connections, authority connections, and output connections.
try {
IRepositoryConnectionManager connMgr = RepositoryConnectionManagerFactory.make(tc);
IAuthorityConnectionManager authConnMgr = AuthorityConnectionManagerFactory.make(tc);
IOutputConnectionManager outputMgr = OutputConnectionManagerFactory.make(tc);
// Now, get a list of the repository connections
IRepositoryConnection[] connections = connMgr.getAllConnections();
int i = 0;
while (i < connections.length) {
connMgr.delete(connections[i++].getName());
}
// Get a list of authority connections
IAuthorityConnection[] authorities = authConnMgr.getAllConnections();
i = 0;
while (i < authorities.length) {
authConnMgr.delete(authorities[i++].getName());
}
// Finally, get rid of output connections
IOutputConnection[] outputs = outputMgr.getAllConnections();
i = 0;
while (i < outputs.length) {
outputMgr.delete(outputs[i++].getName());
}
} catch (Exception e) {
currentException = e;
}
try {
IDBInterface database =
DBInterfaceFactory.make(
tc,
ManifoldCF.getMasterDatabaseName(),
ManifoldCF.getMasterDatabaseUsername(),
ManifoldCF.getMasterDatabasePassword());
IConnectorManager mgr = ConnectorManagerFactory.make(tc);
IAuthorityConnectorManager authMgr = AuthorityConnectorManagerFactory.make(tc);
IOutputConnectorManager outputMgr = OutputConnectorManagerFactory.make(tc);
IOutputConnectionManager outputConnManager = OutputConnectionManagerFactory.make(tc);
IJobManager jobManager = JobManagerFactory.make(tc);
IRepositoryConnectionManager connManager = RepositoryConnectionManagerFactory.make(tc);
// Deregistration should be done in a transaction
database.beginTransaction();
try {
int i;
String[] connectorClasses = getConnectorClasses();
i = 0;
while (i < connectorClasses.length) {
// Find the connection names that come with this class
String[] connectionNames = connManager.findConnectionsForConnector(connectorClasses[i]);
// For each connection name, modify the jobs to note that the connector is no longer
// installed
jobManager.noteConnectorDeregistration(connectionNames);
// Now that all jobs have been placed into an appropriate state, actually do the
// deregistration itself.
mgr.unregisterConnector(connectorClasses[i]);
i++;
}
String[] authorityClasses = getAuthorityClasses();
i = 0;
while (i < authorityClasses.length) {
authMgr.unregisterConnector(authorityClasses[i]);
i++;
}
String[] outputClasses = getOutputClasses();
i = 0;
while (i < outputClasses.length) {
// Find the connection names that come with this class
String[] connectionNames =
outputConnManager.findConnectionsForConnector(outputClasses[i]);
// For all connection names, notify all agents of the deregistration
AgentManagerFactory.noteOutputConnectorDeregistration(tc, connectionNames);
// Now that all jobs have been placed into an appropriate state, actually do the
// deregistration itself.
outputMgr.unregisterConnector(outputClasses[i]);
i++;
}
} catch (ManifoldCFException e) {
database.signalRollback();
throw e;
} catch (Error e) {
database.signalRollback();
throw e;
} finally {
database.endTransaction();
}
} catch (Exception e) {
if (currentException != null) currentException = e;
}
try {
super.localCleanUp();
} catch (Exception e) {
if (currentException != null) currentException = e;
}
if (currentException != null) throw currentException;
}
protected void localSetUp() throws Exception {
super.localSetUp();
IThreadContext tc = ThreadContextFactory.make();
IDBInterface database =
DBInterfaceFactory.make(
tc,
ManifoldCF.getMasterDatabaseName(),
ManifoldCF.getMasterDatabaseUsername(),
ManifoldCF.getMasterDatabasePassword());
IConnectorManager mgr = ConnectorManagerFactory.make(tc);
IAuthorityConnectorManager authMgr = AuthorityConnectorManagerFactory.make(tc);
IJobManager jobManager = JobManagerFactory.make(tc);
IRepositoryConnectionManager connManager = RepositoryConnectionManagerFactory.make(tc);
IOutputConnectorManager outputMgr = OutputConnectorManagerFactory.make(tc);
IOutputConnectionManager outputConnManager = OutputConnectionManagerFactory.make(tc);
// Deregistration should be done in a transaction
database.beginTransaction();
try {
int i;
String[] connectorClasses = getConnectorClasses();
String[] connectorNames = getConnectorNames();
i = 0;
while (i < connectorClasses.length) {
// First, register connector
mgr.registerConnector(connectorNames[i], connectorClasses[i]);
// Then, signal to all jobs that might depend on this connector that they can switch state
// Find the connection names that come with this class
String[] connectionNames = connManager.findConnectionsForConnector(connectorClasses[i]);
// For each connection name, modify the jobs to note that the connector is now installed
jobManager.noteConnectorRegistration(connectionNames);
i++;
}
String[] authorityClasses = getAuthorityClasses();
String[] authorityNames = getAuthorityNames();
i = 0;
while (i < authorityClasses.length) {
authMgr.registerConnector(authorityNames[i], authorityClasses[i]);
i++;
}
String[] outputClasses = getOutputClasses();
String[] outputNames = getOutputNames();
i = 0;
while (i < outputClasses.length) {
// First, register connector
outputMgr.registerConnector(outputNames[i], outputClasses[i]);
// Then, signal to all jobs that might depend on this connector that they can switch state
// Find the connection names that come with this class
String[] connectionNames = outputConnManager.findConnectionsForConnector(outputClasses[i]);
// For all connection names, notify all agents of the registration
AgentManagerFactory.noteOutputConnectorRegistration(tc, connectionNames);
i++;
}
} catch (ManifoldCFException e) {
database.signalRollback();
throw e;
} catch (Error e) {
database.signalRollback();
throw e;
} finally {
database.endTransaction();
}
}
/**
* Save a repository connection object.
*
* @param object is the object to save.
* @return true if the object was created, false otherwise.
*/
public boolean save(IRepositoryConnection object) throws ManifoldCFException {
StringSetBuffer ssb = new StringSetBuffer();
ssb.add(getRepositoryConnectionsKey());
ssb.add(getRepositoryConnectionKey(object.getName()));
StringSet cacheKeys = new StringSet(ssb);
while (true) {
// Catch deadlock condition
long sleepAmt = 0L;
try {
ICacheHandle ch = cacheManager.enterCache(null, cacheKeys, getTransactionID());
try {
beginTransaction();
try {
// performLock();
// Notify of a change to the configuration
ManifoldCF.noteConfigurationChange();
boolean isNew = object.getIsNew();
// See whether the instance exists
ArrayList params = new ArrayList();
String query =
buildConjunctionClause(
params,
new ClauseDescription[] {new UnitaryClause(nameField, object.getName())});
IResultSet set =
performQuery(
"SELECT * FROM " + getTableName() + " WHERE " + query + " FOR UPDATE",
params,
null,
null);
HashMap values = new HashMap();
values.put(descriptionField, object.getDescription());
values.put(classNameField, object.getClassName());
values.put(groupNameField, object.getACLAuthority());
values.put(maxCountField, new Long((long) object.getMaxConnections()));
String configXML = object.getConfigParams().toXML();
values.put(configField, configXML);
boolean notificationNeeded = false;
boolean isCreated;
if (set.getRowCount() > 0) {
// If the object is supposedly new, it is bad that we found one that already exists.
if (isNew)
throw new ManifoldCFException(
"Repository connection '" + object.getName() + "' already exists");
isCreated = false;
IResultRow row = set.getRow(0);
String oldXML = (String) row.getValue(configField);
if (oldXML == null || !oldXML.equals(configXML)) notificationNeeded = true;
// Update
params.clear();
query =
buildConjunctionClause(
params,
new ClauseDescription[] {new UnitaryClause(nameField, object.getName())});
performUpdate(values, " WHERE " + query, params, null);
throttleSpecManager.deleteRows(object.getName());
} else {
// If the object is not supposed to be new, it is bad that we did not find one.
if (!isNew)
throw new ManifoldCFException(
"Repository connection '" + object.getName() + "' no longer exists");
isCreated = true;
// Insert
values.put(nameField, object.getName());
// We only need the general key because this is new.
performInsert(values, null);
}
// Write secondary table stuff
throttleSpecManager.writeRows(object.getName(), object);
// If notification required, do it.
if (notificationNeeded) {
IJobManager jobManager = JobManagerFactory.make(threadContext);
jobManager.noteConnectionChange(object.getName());
}
cacheManager.invalidateKeys(ch);
return isCreated;
} catch (ManifoldCFException e) {
signalRollback();
throw e;
} catch (Error e) {
signalRollback();
throw e;
} finally {
endTransaction();
}
} finally {
cacheManager.leaveCache(ch);
}
} catch (ManifoldCFException e) {
// Is this a deadlock exception? If so, we want to try again.
if (e.getErrorCode() != ManifoldCFException.DATABASE_TRANSACTION_ABORT) throw e;
sleepAmt = getSleepAmt();
} finally {
sleepFor(sleepAmt);
}
}
}
