private <R> R modifyCollection(
DBBroker broker,
XmldbURI collectionURI,
DatabaseItemModifier<org.exist.collections.Collection, R> modifier)
throws XMLDBException, LockException, PermissionDeniedException, IOException, EXistException,
TriggerException, SyntaxException {
final TransactionManager transact = broker.getBrokerPool().getTransactionManager();
final Txn transaction = transact.beginTransaction();
org.exist.collections.Collection coll = null;
try {
coll = broker.openCollection(collectionURI, Lock.WRITE_LOCK);
if (coll == null) {
throw new XMLDBException(
ErrorCodes.INVALID_COLLECTION, "Collection " + collectionURI.toString() + " not found");
}
final R result = modifier.modify(coll);
broker.saveCollection(transaction, coll);
transact.commit(transaction);
broker.flush();
return result;
} catch (final EXistException ee) {
transact.abort(transaction);
throw ee;
} catch (final XMLDBException xmldbe) {
transact.abort(transaction);
throw xmldbe;
} catch (final LockException le) {
transact.abort(transaction);
throw le;
} catch (final PermissionDeniedException pde) {
transact.abort(transaction);
throw pde;
} catch (final IOException ioe) {
transact.abort(transaction);
throw ioe;
} catch (final TriggerException te) {
transact.abort(transaction);
throw te;
} catch (final SyntaxException se) {
transact.abort(transaction);
throw se;
} finally {
transact.close(transaction);
if (coll != null) {
coll.release(Lock.WRITE_LOCK);
}
}
}
@BeforeClass
public static void setUp() throws Exception {
TransactionManager transact = null;
Txn transaction = null;
try {
pool = startDB();
broker = pool.get(pool.getSecurityManager().getSystemSubject());
transact = pool.getTransactionManager();
transaction = transact.beginTransaction();
root =
broker.getOrCreateCollection(
transaction, XmldbURI.create(XmldbURI.ROOT_COLLECTION + "/test"));
broker.saveCollection(transaction, root);
String existHome = System.getProperty("exist.home");
File existDir = existHome == null ? new File(".") : new File(existHome);
String directory = "samples/shakespeare";
File dir = new File(existDir, directory);
// store some documents.
for (File f : dir.listFiles(new XMLFilenameFilter())) {
IndexInfo info =
root.validateXMLResource(
transaction,
broker,
XmldbURI.create(f.getName()),
new InputSource(f.toURI().toASCIIString()));
root.store(transaction, broker, info, new InputSource(f.toURI().toASCIIString()), false);
}
IndexInfo info =
root.validateXMLResource(transaction, broker, XmldbURI.create("nested.xml"), NESTED_XML);
root.store(transaction, broker, info, NESTED_XML, false);
transact.commit(transaction);
// for the tests
docs = root.allDocs(broker, new DefaultDocumentSet(), true);
seqSpeech = executeQuery(broker, "//SPEECH", 2628, null);
} catch (Exception e) {
if (pool != null) {
pool.release(broker);
BrokerPool.stopAll(false);
pool = null;
root = null;
}
throw e;
}
}