public String readString() throws IOException {
if (debug) {
OLogManager.instance()
.info(this, "%s - Reading string (4+N bytes)...", socket.getRemoteSocketAddress());
final int len = in.readInt();
if (len < 0) return null;
// REUSE STATIC BUFFER?
final byte[] tmp = new byte[len];
in.readFully(tmp);
updateMetricReceivedBytes(OBinaryProtocol.SIZE_INT + len);
final String value = new String(tmp);
OLogManager.instance()
.info(this, "%s - Read string: %s", socket.getRemoteSocketAddress(), value);
return value;
}
final int len = in.readInt();
if (len < 0) return null;
final byte[] tmp = new byte[len];
in.readFully(tmp);
updateMetricReceivedBytes(OBinaryProtocol.SIZE_INT + len);
return new String(tmp);
}
protected static boolean commitBuffer(final OMMapBufferEntry iEntry) {
final long timer = OProfiler.getInstance().startChrono();
// FORCE THE WRITE OF THE BUFFER
boolean forceSucceed = false;
for (int i = 0; i < FORCE_RETRY; ++i) {
try {
iEntry.buffer.force();
forceSucceed = true;
break;
} catch (Exception e) {
OLogManager.instance()
.debug(
iEntry,
"Can't write memory buffer to disk. Retrying ("
+ (i + 1)
+ "/"
+ FORCE_RETRY
+ ")...");
OMemoryWatchDog.freeMemory(FORCE_DELAY);
}
}
if (!forceSucceed)
OLogManager.instance()
.debug(iEntry, "Can't commit memory buffer to disk after %d retries", FORCE_RETRY);
else OProfiler.getInstance().updateCounter("OMMapManager.pagesCommitted", 1);
OProfiler.getInstance().stopChrono("OMMapManager.commitPages", timer);
return forceSucceed;
}
private static void freeResources() {
final long memoryThreshold = (long) (maxMemory * 0.75);
if (OLogManager.instance().isDebugEnabled())
OLogManager.instance()
.debug(
null,
"Free mmmap blocks, at least %d MB...",
(totalMemory - memoryThreshold) / 1000000);
// SORT AS LRU, FIRST = MOST USED
Collections.sort(
bufferPoolLRU,
new Comparator<OMMapBufferEntry>() {
public int compare(final OMMapBufferEntry o1, final OMMapBufferEntry o2) {
return (int) (o1.counter - o2.counter);
}
});
// REMOVE THE LESS USED ENTRY AND UPDATE THE TOTAL MEMORY
for (Iterator<OMMapBufferEntry> it = bufferPoolLRU.iterator(); it.hasNext(); ) {
final OMMapBufferEntry entry = it.next();
if (!entry.pin) {
// REMOVE FROM COLLECTIONS
removeEntry(it, entry);
if (totalMemory < memoryThreshold) break;
}
}
}
@Override
public Integer call() throws Exception {
final ODistributedServerManager dManager = getDistributedServerManager();
if (aligned == -1) {
// ALIGNMENT POSTPONED
OLogManager.instance()
.warn(this, "DISTRIBUTED <-[%s/%s] alignment postponed", nodeSource, databaseName);
dManager.postponeAlignment(nodeSource, databaseName);
} else {
// ALIGNMENT DONE
OLogManager.instance()
.warn(
this,
"DISTRIBUTED <-[%s/%s] alignment ended: %d operation(s)",
nodeSource,
databaseName,
aligned);
dManager.endAlignment(nodeSource, databaseName);
}
return null;
}
// Returns a section of the JSON document configuration as an ODocument if section is present.
private ODocument getSection(final String section) {
ODocument sectionDoc = null;
try {
if (configDoc != null) {
if (configDoc.containsField(section)) {
sectionDoc = configDoc.field(section);
}
} else {
OLogManager.instance()
.error(
this,
"ODefaultServerSecurity.getSection(%s) Configuration document is null",
section);
}
} catch (Exception ex) {
OLogManager.instance()
.error(
this,
"ODefaultServerSecurity.getSection(%s) Exception: %s",
section,
ex.getMessage());
}
return sectionDoc;
}
// OSecuritySystem (via OServerSecurity)
public String authenticate(final String username, final String password) {
try {
// It's possible for the username to be null or an empty string in the case of SPNEGO Kerberos
// tickets.
if (username != null && !username.isEmpty()) {
if (debug)
OLogManager.instance()
.info(
this,
"ODefaultServerSecurity.authenticate() ** Authenticating username: %s",
username);
// This means it originates from us (used by openDatabase).
if (username.equals(superUser) && password.equals(superUserPassword)) return superUser;
}
synchronized (authenticatorsList) {
// Walk through the list of OSecurityAuthenticators.
for (OSecurityAuthenticator sa : authenticatorsList) {
if (sa.isEnabled()) {
String principal = sa.authenticate(username, password);
if (principal != null) return principal;
}
}
}
} catch (Exception ex) {
OLogManager.instance()
.error(this, "ODefaultServerSecurity.authenticate() Exception: %s", ex.getMessage());
}
return null; // Indicates authentication failed.
}
@Override
public void close() {
if (debug)
OLogManager.instance()
.info(
this,
"%s - Closing socket...",
socket != null ? " null possible previous close" : socket.getRemoteSocketAddress());
try {
if (in != null) {
in.close();
// in = null;
}
} catch (IOException e) {
OLogManager.instance().debug(this, "Error during closing of input stream", e);
}
try {
if (out != null) {
out.close();
// out = null;
}
} catch (IOException e) {
OLogManager.instance().debug(this, "Error during closing of output stream", e);
}
super.close();
}
private void reloadImportLDAP() {
try {
synchronized (importLDAPSynch) {
if (importLDAP != null) {
importLDAP.dispose();
importLDAP = null;
}
if (ldapImportDoc != null && isEnabled(ldapImportDoc)) {
Class<?> cls = getClass(ldapImportDoc);
if (cls != null) {
if (OSecurityComponent.class.isAssignableFrom(cls)) {
importLDAP = (OSecurityComponent) cls.newInstance();
importLDAP.config(server, serverConfig, ldapImportDoc);
importLDAP.active();
} else {
OLogManager.instance()
.error(
this,
"ODefaultServerSecurity.reloadImportLDAP() class is not an OSecurityComponent");
}
} else {
OLogManager.instance()
.error(
this,
"ODefaultServerSecurity.reloadImportLDAP() ImportLDAP class property is missing");
}
}
}
} catch (Exception ex) {
OLogManager.instance()
.error(this, "ODefaultServerSecurity.reloadImportLDAP() Exception: %s", ex.getMessage());
}
}
/** Avoid to close it but rather release itself to the owner pool. */
@Override
public void close() {
if (isClosed()) return;
checkOpeness();
if (ownerPool.getConnectionsInCurrentThread(getURL(), userName) > 1) {
ownerPool.release(this);
return;
}
objects2Records.clear();
records2Objects.clear();
rid2Records.clear();
try {
commit(true);
} catch (Exception e) {
OLogManager.instance().error(this, "Error on releasing database '%s' in pool", e, getName());
}
try {
underlying.callOnCloseListeners();
} catch (Exception e) {
OLogManager.instance().error(this, "Error on releasing database '%s' in pool", e, getName());
}
getLocalCache().clear();
if (ownerPool != null) {
final OObjectDatabasePool localCopy = ownerPool;
ownerPool = null;
localCopy.release(this);
}
}
@Override
public Object call() throws Exception {
if (OLogManager.instance().isDebugEnabled())
OLogManager.instance().debug(this, "DISTRIBUTED <- command: %s", text.toString());
if (status != STATUS.ALIGN && !getDistributedServerManager().checkStatus("online"))
// NODE NOT ONLINE, REFUSE THE OEPRATION
throw new OServerOfflineException();
final ODatabaseDocumentTx db = openDatabase();
ODistributedThreadLocal.INSTANCE.distributedExecution = true;
try {
Object result = openDatabase().command(new OCommandSQL(text));
if (mode != EXECUTION_MODE.FIRE_AND_FORGET) return result;
// FIRE AND FORGET MODE: AVOID THE PAYLOAD AS RESULT
return null;
} finally {
ODistributedThreadLocal.INSTANCE.distributedExecution = false;
closeDatabase(db);
}
}
/** Execute the DROP CLASS. */
public Object execute(final Map<Object, Object> iArgs) {
if (className == null) {
throw new OCommandExecutionException(
"Cannot execute the command because it has not been parsed yet");
}
final ODatabaseDocument database = getDatabase();
if (ifExists && !database.getMetadata().getSchema().existsClass(className)) {
return true;
}
final OClass cls = database.getMetadata().getSchema().getClass(className);
if (cls == null) {
return null;
}
final long records = cls.count(true);
if (records > 0 && !unsafe) {
// NOT EMPTY, CHECK IF CLASS IS OF VERTEX OR EDGES
if (cls.isSubClassOf("V")) {
// FOUND VERTEX CLASS
throw new OCommandExecutionException(
"'DROP CLASS' command cannot drop class '"
+ className
+ "' because it contains Vertices. Use 'DELETE VERTEX' command first to avoid broken edges in a database, or apply the 'UNSAFE' keyword to force it");
} else if (cls.isSubClassOf("E")) {
// FOUND EDGE CLASS
throw new OCommandExecutionException(
"'DROP CLASS' command cannot drop class '"
+ className
+ "' because it contains Edges. Use 'DELETE EDGE' command first to avoid broken vertices in a database, or apply the 'UNSAFE' keyword to force it");
}
}
database.getMetadata().getSchema().dropClass(className);
if (records > 0 && unsafe) {
// NOT EMPTY, CHECK IF CLASS IS OF VERTEX OR EDGES
if (cls.isSubClassOf("V")) {
// FOUND VERTICES
if (unsafe)
OLogManager.instance()
.warn(
this,
"Dropped class '%s' containing %d vertices using UNSAFE mode. Database could contain broken edges",
className,
records);
} else if (cls.isSubClassOf("E")) {
// FOUND EDGES
OLogManager.instance()
.warn(
this,
"Dropped class '%s' containing %d edges using UNSAFE mode. Database could contain broken vertices",
className,
records);
}
}
return true;
}
public OClusterPosition readClusterPosition() throws IOException {
final int serializedSize = OClusterPositionFactory.INSTANCE.getSerializedSize();
if (debug)
OLogManager.instance()
.info(
this,
"%s - Reading cluster position (%d bytes)....",
socket.getRemoteSocketAddress(),
serializedSize);
final OClusterPosition clusterPosition =
OClusterPositionFactory.INSTANCE.fromStream((InputStream) in);
updateMetricReceivedBytes(serializedSize);
if (debug)
OLogManager.instance()
.info(
this,
"%s - Read cluster position: %s",
socket.getRemoteSocketAddress(),
clusterPosition);
return clusterPosition;
}
public Set<String> readStringSet() throws IOException {
if (debug)
OLogManager.instance()
.info(
this,
"%s - Reading string set. Reading string set items as int (4 bytes)...",
socket.getRemoteSocketAddress());
int items = in.readInt();
updateMetricReceivedBytes(OBinaryProtocol.SIZE_INT);
if (debug)
OLogManager.instance()
.info(this, "%s - Read string set items: %d", socket.getRemoteSocketAddress(), items);
if (items < 0) return null;
Set<String> result = new HashSet<String>();
for (int i = 0; i < items; ++i) result.add(readString());
if (debug)
OLogManager.instance()
.info(
this,
"%s - Read string set with %d items: %d",
socket.getRemoteSocketAddress(),
items,
result);
return result;
}
public <DB extends ODatabaseRecord> DB checkSecurity(
final String iResourceGeneric, final int iOperation, final Object... iResourcesSpecific) {
if (user != null) {
try {
final StringBuilder keyBuffer = new StringBuilder();
boolean ruleFound = false;
for (Object target : iResourcesSpecific) {
if (target != null) {
keyBuffer.setLength(0);
keyBuffer.append(iResourceGeneric);
keyBuffer.append('.');
keyBuffer.append(target.toString());
final String key = keyBuffer.toString();
if (user.isRuleDefined(key)) {
ruleFound = true;
// RULE DEFINED: CHECK AGAINST IT
user.allow(key, iOperation);
}
}
}
if (!ruleFound) {
// CHECK AGAINST GENERIC RULE
keyBuffer.setLength(0);
keyBuffer.append(iResourceGeneric);
keyBuffer.append('.');
keyBuffer.append(ODatabaseSecurityResources.ALL);
user.allow(keyBuffer.toString(), iOperation);
}
} catch (OSecurityAccessException e) {
if (OLogManager.instance().isDebugEnabled())
OLogManager.instance()
.debug(
this,
"[checkSecurity] User '%s' tried to access to the reserved resource '%s', target(s) '%s', operation '%s'",
getUser(),
iResourceGeneric,
Arrays.toString(iResourcesSpecific),
iOperation);
throw e;
}
}
return (DB) this;
}
public void updateClusterConfiguration(final byte[] iContent) {
if (iContent == null) return;
synchronized (clusterConfiguration) {
clusterConfiguration.reset();
// UPDATE IT
clusterConfiguration.fromStream(iContent);
if (OLogManager.instance().isDebugEnabled())
OLogManager.instance()
.debug(this, "Received new cluster configuration: %s", clusterConfiguration.toJSON(""));
}
}
public int readInt() throws IOException {
updateMetricReceivedBytes(OBinaryProtocol.SIZE_INT);
if (debug) {
OLogManager.instance()
.info(this, "%s - Reading int (4 bytes)...", socket.getRemoteSocketAddress());
final int value = in.readInt();
OLogManager.instance()
.info(this, "%s - Read int: %d", socket.getRemoteSocketAddress(), value);
return value;
}
return in.readInt();
}
public long readLong() throws IOException {
updateMetricReceivedBytes(OBinaryProtocol.SIZE_LONG);
if (debug) {
OLogManager.instance()
.info(this, "%s - Reading long (8 bytes)...", socket.getRemoteSocketAddress());
final long value = in.readLong();
OLogManager.instance()
.info(this, "%s - Read long: %d", socket.getRemoteSocketAddress(), value);
return value;
}
return in.readLong();
}
public boolean readBoolean() throws IOException {
updateMetricReceivedBytes(OBinaryProtocol.SIZE_BYTE);
if (debug) {
OLogManager.instance()
.info(this, "%s - Reading boolean (1 byte)...", socket.getRemoteSocketAddress());
final boolean value = in.readBoolean();
OLogManager.instance()
.info(this, "%s - Read boolean: %b", socket.getRemoteSocketAddress(), value);
return value;
}
return in.readBoolean();
}
public void shutdown() {
acquireExclusiveLock();
try {
if (!active) return;
active = false;
if (shutdownHook != null) shutdownHook.cancel();
if (profiler != null) profiler.shutdown();
OLogManager.instance().debug(this, "Orient Engine is shutting down...");
if (listeners != null)
// CALL THE SHUTDOWN ON ALL THE LISTENERS
for (OOrientListener l : listeners) {
if (l != null) l.onShutdown();
}
// SHUTDOWN ENGINES
for (OEngine engine : engines.values()) {
engine.shutdown();
}
if (databaseFactory != null)
// CLOSE ALL DATABASES
databaseFactory.shutdown();
if (storages != null) {
// CLOSE ALL THE STORAGES
final List<OStorage> storagesCopy = new ArrayList<OStorage>(storages.values());
for (OStorage stg : storagesCopy) {
OLogManager.instance().info(this, "Shutting down storage: " + stg.getName() + "...");
stg.close(true);
}
}
if (OMMapManagerLocator.getInstance() != null) OMMapManagerLocator.getInstance().shutdown();
if (threadGroup != null)
// STOP ALL THE PENDING THREADS
threadGroup.interrupt();
if (listeners != null) listeners.clear();
OLogManager.instance().info(this, "Orient Engine shutdown complete\n");
} finally {
releaseExclusiveLock();
}
}
@Override
public void run() {
try {
if (writeGroups.isEmpty()) return;
int writeGroupsToFlush;
boolean useForceSync = false;
double threshold = ((double) cacheSize.get()) / cacheMaxSize;
if (threshold > 0.8) {
writeGroupsToFlush = (int) (0.2 * writeGroups.size());
useForceSync = true;
} else if (threshold > 0.9) {
writeGroupsToFlush = (int) (0.4 * writeGroups.size());
useForceSync = true;
} else writeGroupsToFlush = 1;
if (writeGroupsToFlush < 1) writeGroupsToFlush = 1;
int flushedGroups = 0;
flushedGroups = flushRing(writeGroupsToFlush, flushedGroups, false);
if (flushedGroups < writeGroupsToFlush && useForceSync)
flushedGroups = flushRing(writeGroupsToFlush, flushedGroups, true);
if (flushedGroups < writeGroupsToFlush && cacheSize.get() > cacheMaxSize) {
if (OGlobalConfiguration.SERVER_CACHE_INCREASE_ON_DEMAND.getValueAsBoolean()) {
final long oldCacheMaxSize = cacheMaxSize;
cacheMaxSize =
(int)
Math.ceil(
cacheMaxSize
* (1
+ OGlobalConfiguration.SERVER_CACHE_INCREASE_STEP
.getValueAsFloat()));
OLogManager.instance()
.warn(
this,
"Write cache size is increased from %d to %d",
oldCacheMaxSize,
cacheMaxSize);
} else {
throw new OAllCacheEntriesAreUsedException("All records in write cache are used!");
}
}
} catch (Exception e) {
OLogManager.instance().error(this, "Exception during data flush.", e);
}
}
public void checkEntryStructure() {
if (!tree.isRuntimeCheckEnabled()) return;
if (dataProvider.getParent() == null)
OLogManager.instance()
.error(this, "checkEntryStructure: Node %s has parentRid null!\n", this);
if (dataProvider.getLeft() == null)
OLogManager.instance().error(this, "checkEntryStructure: Node %s has leftRid null!\n", this);
if (dataProvider.getRight() == null)
OLogManager.instance().error(this, "checkEntryStructure: Node %s has rightRid null!\n", this);
if (this == left
|| dataProvider.getIdentity().isValid()
&& dataProvider.getIdentity().equals(dataProvider.getLeft()))
OLogManager.instance()
.error(this, "checkEntryStructure: Node %s has left that points to itself!\n", this);
if (this == right
|| dataProvider.getIdentity().isValid()
&& dataProvider.getIdentity().equals(dataProvider.getRight()))
OLogManager.instance()
.error(this, "checkEntryStructure: Node %s has right that points to itself!\n", this);
if (left != null && left == right)
OLogManager.instance()
.error(this, "checkEntryStructure: Node %s has left and right equals!\n", this);
if (left != null) {
if (!left.dataProvider.getIdentity().equals(dataProvider.getLeft()))
OLogManager.instance()
.error(this, "checkEntryStructure: Wrong left node loaded: " + dataProvider.getLeft());
if (left.parent != this)
OLogManager.instance()
.error(
this,
"checkEntryStructure: Left node is not correctly connected to the parent"
+ dataProvider.getLeft());
}
if (right != null) {
if (!right.dataProvider.getIdentity().equals(dataProvider.getRight()))
OLogManager.instance()
.error(
this, "checkEntryStructure: Wrong right node loaded: " + dataProvider.getRight());
if (right.parent != this)
OLogManager.instance()
.error(
this,
"checkEntryStructure: Right node is not correctly connected to the parent"
+ dataProvider.getRight());
}
}
public void fromStream() {
name = document.field("name");
if (document.field("type") != null)
type = OType.getById(((Long) document.field("type")).byteValue());
offset = ((Long) document.field("offset")).intValue();
mandatory = (Boolean) document.field("mandatory");
notNull = (Boolean) document.field("notNull");
min = document.field("min");
max = document.field("max");
linkedClassName = (String) document.field("linkedClass");
if (document.field("linkedType") != null)
linkedType = OType.getById(((Long) document.field("linkedType")).byteValue());
if (document.field("index") != null) {
setIndex(
INDEX_TYPE.valueOf((String) document.field("index-type")),
((ODocument) document.field("index")).getIdentity());
try {
index.load();
} catch (IOException e) {
OLogManager.instance()
.error(
this, "Can't load index for property %s", e, ODatabaseException.class, toString());
}
}
}
@Before
public void prepareDatabase() throws Exception {
String dbUrl = "memory:test";
ODatabaseDocumentTx db = new ODatabaseDocumentTx(dbUrl);
String username = "******";
String password = "******";
if (db.exists()) {
db.activateOnCurrentThread();
db.open(username, password);
db.drop();
}
db.create();
createSchemaDB(db);
if (!new File("./src/test/resources/file.pdf").exists())
OLogManager.instance()
.warn(
this, "TEST IS NOT RUNNING UNDER distributed folder, attachment will be not loaded!");
loadDB(db, 20);
Properties info = new Properties();
info.put("user", username);
info.put("password", password);
conn = (OrientJdbcConnection) DriverManager.getConnection("jdbc:orient:" + dbUrl, info);
}
public void clearInput() throws IOException {
if (in == null) return;
final StringBuilder dirtyBuffer = new StringBuilder(MAX_LENGTH_DEBUG);
int i = 0;
while (in.available() > 0) {
char c = (char) in.read();
++i;
if (dirtyBuffer.length() < MAX_LENGTH_DEBUG) dirtyBuffer.append(c);
}
updateMetricReceivedBytes(i);
final String message =
"Received unread response from "
+ socket.getRemoteSocketAddress()
+ " probably corrupted data from the network connection. Cleared dirty data in the buffer ("
+ i
+ " bytes): ["
+ dirtyBuffer
+ (i > dirtyBuffer.length() ? "..." : "")
+ "]";
OLogManager.instance().error(this, message);
throw new OIOException(message);
}
public OChannelBinary writeBytes(final byte[] iContent, final int iLength) throws IOException {
if (debug)
OLogManager.instance()
.info(
this,
"%s - Writing bytes (4+%d=%d bytes): %s",
socket.getRemoteSocketAddress(),
iLength,
iLength + 4,
Arrays.toString(iContent));
if (iContent == null) {
out.writeInt(-1);
updateMetricTransmittedBytes(OBinaryProtocol.SIZE_INT);
} else {
if (iLength > maxChunkSize) {
throw OException.wrapException(
new OIOException(
"Impossible to write a chunk of length:"
+ iLength
+ " max allowed chunk length:"
+ maxChunkSize
+ " see NETWORK_BINARY_MAX_CONTENT_LENGTH settings "),
null);
}
out.writeInt(iLength);
out.write(iContent, 0, iLength);
updateMetricTransmittedBytes(OBinaryProtocol.SIZE_INT + iLength);
}
return this;
}
// OSecuritySystem (via OServerSecurity)
public ODocument getConfig() {
ODocument jsonConfig = new ODocument();
try {
jsonConfig.field("enabled", enabled);
jsonConfig.field("debug", debug);
if (serverDoc != null) {
jsonConfig.field("server", serverDoc, OType.EMBEDDED);
}
if (authDoc != null) {
jsonConfig.field("authentication", authDoc, OType.EMBEDDED);
}
if (passwdValDoc != null) {
jsonConfig.field("passwordValidator", passwdValDoc, OType.EMBEDDED);
}
if (ldapImportDoc != null) {
jsonConfig.field("ldapImporter", ldapImportDoc, OType.EMBEDDED);
}
if (auditingDoc != null) {
jsonConfig.field("auditing", auditingDoc, OType.EMBEDDED);
}
} catch (Exception ex) {
OLogManager.instance().error(this, "ODefaultServerSecurity.getConfig() Exception: %s", ex);
}
return jsonConfig;
}
// Change the component section and save it to disk
private void setSection(final String section, ODocument sectionDoc) {
ODocument oldSection = getSection(section);
try {
if (configDoc != null) {
configDoc.field(section, sectionDoc);
String configFile =
OSystemVariableResolver.resolveSystemVariables("${ORIENTDB_HOME}/config/security.json");
// The default "security.json" file can be overridden in the server config file.
String securityFile = getConfigProperty("server.security.file");
if (securityFile != null) configFile = securityFile;
String ssf = OGlobalConfiguration.SERVER_SECURITY_FILE.getValueAsString();
if (ssf != null) configFile = ssf;
File f = new File(configFile);
OIOUtils.writeFile(f, configDoc.toJSON("prettyPrint"));
}
} catch (Exception ex) {
configDoc.field(section, oldSection);
OLogManager.instance()
.error(
this,
"ODefaultServerSecurity.setSection(%s) Exception: %s",
section,
ex.getMessage());
}
}
public void delete() throws IOException {
synchronized (syncObject) {
for (long fileId : files.keySet()) doDeleteFile(fileId);
if (nameIdMapHolderFile != null) {
nameIdMapHolder.close();
if (!nameIdMapHolderFile.delete())
throw new OStorageException(
"Can not delete disk cache file which contains name-id mapping.");
}
}
if (!commitExecutor.isShutdown()) {
commitExecutor.shutdown();
try {
if (!commitExecutor.awaitTermination(5, TimeUnit.MINUTES))
throw new OException("Background data flush task can not be stopped.");
} catch (InterruptedException e) {
OLogManager.instance().error(this, "Data flush thread was interrupted");
Thread.interrupted();
throw new OException("Data flush thread was interrupted", e);
}
}
}
public void close() throws IOException {
flush();
if (!commitExecutor.isShutdown()) {
commitExecutor.shutdown();
try {
if (!commitExecutor.awaitTermination(5, TimeUnit.MINUTES))
throw new OException("Background data flush task can not be stopped.");
} catch (InterruptedException e) {
OLogManager.instance().error(this, "Data flush thread was interrupted");
Thread.interrupted();
throw new OException("Data flush thread was interrupted", e);
}
}
synchronized (syncObject) {
for (OFileClassic fileClassic : files.values()) {
if (fileClassic.isOpen()) fileClassic.close();
}
if (nameIdMapHolder != null) {
nameIdMapHolder.setLength(0);
for (Map.Entry<String, Long> entry : nameIdMap.entrySet()) {
writeNameIdEntry(new NameFileIdEntry(entry.getKey(), entry.getValue()), false);
}
nameIdMapHolder.getFD().sync();
nameIdMapHolder.close();
}
}
}
@Override
public OMVRBTreeEntry<K, V> getParent() {
if (dataProvider == null) return null;
if (parent == null && dataProvider.getParent().isValid()) {
// LAZY LOADING OF THE PARENT NODE
parent = pTree.loadEntry(null, dataProvider.getParent());
checkEntryStructure();
if (parent != null) {
// TRY TO ASSIGN IT FOLLOWING THE RID
if (parent.dataProvider.getLeft().isValid()
&& parent.dataProvider.getLeft().equals(dataProvider.getIdentity())) parent.left = this;
else if (parent.dataProvider.getRight().isValid()
&& parent.dataProvider.getRight().equals(dataProvider.getIdentity()))
parent.right = this;
else {
OLogManager.instance()
.error(
this,
"getParent: Cannot assign node %s to parent. Nodes parent-left=%s, parent-right=%s",
dataProvider.getParent(),
parent.dataProvider.getLeft(),
parent.dataProvider.getRight());
}
}
}
return parent;
}