public String getTextForGesture(long parId, Point topLeft, Point bottomRight) {
try {
Paragraph p = lockManager.getParFromId(parId);
int parY = documentPanel.textPane.modelToView(p.getOffset()).y;
topLeft.y = topLeft.y + parY;
bottomRight.y = bottomRight.y + parY;
int startOffset = documentPanel.textPane.viewToModel(topLeft);
int endOffset = documentPanel.textPane.viewToModel(bottomRight);
while (startOffset > 0
&& Character.isLetterOrDigit((document.getText(startOffset - 1, 1).charAt(0))))
startOffset--;
while (endOffset < document.getLength()
&& Character.isLetterOrDigit((document.getText(endOffset, 1).charAt(0)))) endOffset++;
String text = document.getText(startOffset, endOffset - startOffset);
return text;
} catch (Exception e) {
System.out.println("EditorClient: addGestureAction. error identifying text");
e.printStackTrace();
return "";
}
// return "PLACEBO";
}
public long getParIdForGesture(long startParId, int y) {
Paragraph startPar = lockManager.getParFromId(startParId);
int startParY = documentPanel.getYValueFromOffset(startPar.getOffset());
int offset = documentPanel.getOffsetFromPoint(new Point(25, startParY + y));
return lockManager.getParFromOffset(offset).getID();
}
public void sendHighlights() {
// send highlights to everybody
try {
Iterator i = highlights.getHighlights().iterator();
while (i.hasNext()) {
Highlights.Highlight h = (Highlights.Highlight) i.next();
Paragraph sPar = lockManager.getParFromOffset(h.getStart());
Paragraph ePar = lockManager.getParFromOffset(h.getEnd());
if (EditorServer_Debug) {
System.out.println("StartPar: " + sPar.toString());
System.out.println("EndPar: " + ePar.toString());
}
Message.HighlightAddMsg msg =
new Message.HighlightAddMsg(
-1,
h.getId(),
h.getType().getId(),
sPar.getID(),
ePar.getID(),
h.getStart() - sPar.getOffset(),
h.getEnd() - ePar.getOffset());
textChannel.sendToOthers(client, new Data(msg));
}
} catch (Exception e) {
System.err.println("EditorServer: sendHighlights: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
/** ロック開放後同一カテゴリとキーでロック取得可能. */
@Test
public void ロック開放後同一カテゴリとキーでロック取得可能() {
Lock lock = LockManager.getLock(Lock.CATEGORY_ODATA, "aaa", null, null);
lock.release();
Lock lock2 = LockManager.getLock(Lock.CATEGORY_ODATA, "aaa", null, null);
assertNotNull(lock2);
lock2.release();
}
/** 違うカテゴリであれば同キー名での連続取得が可能. */
@Test
public void 違うカテゴリであれば同キー名での連続取得が可能() {
Lock lockOData = LockManager.getLock(Lock.CATEGORY_ODATA, "aaa", null, null);
Lock lockDav = LockManager.getLock(Lock.CATEGORY_DAV, "aaa", null, null);
assertNotNull(lockOData);
assertNotNull(lockDav);
lockDav.release();
lockOData.release();
}
/**
* Commit or abort a given transaction; release all locks associated to the transaction.
*
* @param tid the ID of the transaction requesting the unlock
* @param commit a flag indicating whether we should commit or abort
*/
public void transactionComplete(TransactionId tid, boolean commit) throws IOException {
if (commit) {
Set<PageId> dirtiedFlushedPages = transactionsToDirtiedFlushedPages.get(tid);
for (PageId pageId : pageIdToPages.keySet()) {
Page page = pageIdToPages.get(pageId);
if (tid.equals(page.isDirty())) {
flushPage(pageId);
// use current page contents as the before-image
// for the next transaction that modifies this page.
page.setBeforeImage();
} else if (dirtiedFlushedPages != null && dirtiedFlushedPages.contains(pageId)) {
page.setBeforeImage();
}
}
} else {
for (PageId pageId : pageIdToPages.keySet()) {
Page page = pageIdToPages.get(pageId);
if (tid.equals(page.isDirty())) {
pageIdToPages.put(pageId, page.getBeforeImage());
page.markDirty(false, null);
}
}
}
transactionsToDirtiedFlushedPages.remove(tid);
lockManager.releasePages(tid);
// if commit, flush dirty pages associated with transaction
// if !commit, restore dirty pages associated with transaction to
// previous
// state
// release all locks (and other state? don't think there is any)
}
@Override
protected void configure() throws JournalException {
writeLock = LockManager.lockExclusive(getLocation());
if (writeLock == null || !writeLock.isValid()) {
close();
throw new JournalException("Journal is already open for APPEND at %s", getLocation());
}
if (txLog.isEmpty()) {
commit(Tx.TX_NORMAL, 0L, 0L);
}
txLog.head(tx);
File meta = new File(getLocation(), JournalConfiguration.FILE_NAME);
if (!meta.exists()) {
try (UnstructuredFile hb = new UnstructuredFile(meta, 12, JournalMode.APPEND)) {
getMetadata().write(hb);
}
}
super.configure();
beginTx();
rollback();
rollbackPartitionDirs();
if (tx.journalMaxRowID > 0
&& getPartitionCount() <= Rows.toPartitionIndex(tx.journalMaxRowID)) {
beginTx();
commit();
}
if (getMetadata().getLag() != -1) {
this.partitionCleaner = new PartitionCleaner(this, getLocation().getName());
this.partitionCleaner.start();
}
}
/**
* Retryが指定回数行われる.
*
* @throws InterruptedException InterruptedException
*/
@Test
@Ignore
public void Retryが指定回数行われる() throws InterruptedException {
LockManager originalLm = LockManager.singleton;
LockManager.singleton = new RetryCountingLockManager();
RetryCountingLockManager rclm = (RetryCountingLockManager) LockManager.singleton;
try {
LockManager.getLock(Lock.CATEGORY_ODATA, "aaa", null, null);
} catch (DcCoreException e) {
assertEquals(DcCoreException.class, e.getClass());
} finally {
// doGetLock呼び出し回数 は 最初の呼び出しの１回と ＋ リトライ回数 となる
assertEquals(LockManager.getLockRetryTimes() + 1, rclm.getCount);
LockManager.singleton = originalLm;
}
}
@Override
public final void close() {
if (open) {
if (partitionCleaner != null) {
partitionCleaner.halt();
partitionCleaner = null;
}
try {
if (isCommitOnClose()) {
commit();
purgeUnusedTempPartitions(txLog);
}
super.close();
if (writeLock != null) {
LockManager.release(writeLock);
writeLock = null;
}
if (discardTxtRaf != null) {
try {
discardSink.close();
discardTxtRaf.close();
} catch (IOException e) {
LOGGER.warn("Failed to close discard file");
}
}
} catch (JournalException e) {
throw new JournalRuntimeException(e);
}
}
}
public void textInserted(Message.TextInsertMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer-> textInserted.");
try {
int ClientId = m.getClientId();
int offset = m.getOffset();
String characterInserted = m.getText();
if (EditorServer_Debug)
System.out.println("EditorServer-> textInserted : *" + characterInserted + "*");
Vector pars = lockManager.textInserted(m.getPar(), offset, characterInserted, ClientId);
textChannel.sendToOthers(client, new Data(m));
EditorClient c = getEditorClient(ClientId);
// new condition inserted to avoid timestamp generation if the character
// is a newline
if (characterInserted.equals("\n")) {
if (EditorServer_Debug)
System.out.println("EditorServer-> textInserted : attempting to insert a newLine");
}
c.addTextInsertAction(System.currentTimeMillis(), pars, offset, characterInserted);
clientsPanel.updateActionTableFor(c);
updateParagraphList();
} catch (Exception e) {
System.err.println("EditorServer-> textInserted: error receiving-sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void textInserted(Message.TextPasteMsg m) {
try {
int SenderId = m.getClientId();
int offset = m.getOffset();
String textPasted = m.getText();
if (EditorServer_Debug)
System.err.println("EditorServer->textinserted : PASTED by : " + SenderId);
Vector pars = null;
try {
pars = lockManager.textInserted(m.getPar(), offset, textPasted, SenderId);
if (EditorServer_Debug)
System.err.println("\n+=*%EditorServer--> textInserted recovered VECTOR...");
} catch (Exception e) {
System.err.println("\n+=*%EditorServer--> textInserted VECTOR error ");
}
textChannel.sendToOthers(client, new Data(m));
EditorClient SenderClient = getEditorClient(SenderId);
SenderClient.addTextPasteAction(System.currentTimeMillis(), pars, offset, textPasted);
clientsPanel.updateActionTableFor(SenderClient);
updateParagraphList();
} catch (Exception e) {
System.err.println("\nEditorServer--> textPasted: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
/**
* Creates a BufferPool that caches up to numPages pages.
*
* @param numPages maximum number of pages in this buffer pool.
*/
public BufferPool(int numPages) {
this.maxPages = numPages;
this.pageIdToPages = new HashMap<PageId, Page>();
this.transactionsToDirtiedFlushedPages = new HashMap<TransactionId, Set<PageId>>();
this.lockManager = LockManager.create();
currentPages = new AtomicInteger(0);
}
public void purgeUnusedTempPartitions(TxLog txLog) throws JournalException {
final Tx tx = new Tx();
final String lagPartitionName =
hasIrregularPartition() ? getIrregularPartition().getName() : null;
File[] files =
getLocation()
.listFiles(
new FileFilter() {
public boolean accept(File f) {
return f.isDirectory()
&& f.getName().startsWith(Constants.TEMP_DIRECTORY_PREFIX)
&& (lagPartitionName == null || !lagPartitionName.equals(f.getName()));
}
});
if (files != null) {
Arrays.sort(files);
for (int i = 0; i < files.length; i++) {
if (!txLog.isEmpty()) {
txLog.head(tx);
if (files[i].getName().equals(tx.lagName)) {
continue;
}
}
// get exclusive lock
Lock lock = LockManager.lockExclusive(files[i]);
try {
if (lock != null && lock.isValid()) {
LOGGER.trace("Purging : %s", files[i]);
if (!Files.delete(files[i])) {
LOGGER.info("Could not purge: %s", files[i]);
}
} else {
LOGGER.trace("Partition in use: %s", files[i]);
}
} finally {
LockManager.release(lock);
}
}
}
}
/** 同じキー名での取得は２回目以降のものはブロックされる. */
@Test
public void 同じキー名での取得は２回目以降のものはブロックされる() {
Lock lock = null;
Lock lock2 = null;
String lockName = "lk" + new Date().getTime();
try {
lock = LockManager.getLock(Lock.CATEGORY_ODATA, lockName, null, null);
lock2 = LockManager.getLock(Lock.CATEGORY_ODATA, lockName, null, null);
} catch (DcCoreException e) {
assertEquals(DcCoreException.class, e.getClass());
} finally {
lock.release();
if (lock2 != null) {
lock2.release();
}
}
}
public V get(K key) {
V v = cache.getIfPresent(key);
if (v == null) {
try {
lockManager.hold(locks, key);
if (v == null) {
v = loader.load(key);
cache.put(key, v);
}
} catch (Exception ex) {
PGException.pgThrow(ex);
} finally {
lockManager.release(locks, key);
}
}
return v;
}
public void sendDocumentState(int clientId) {
Message.DocumentStateMsg msg =
new Message.DocumentStateMsg(clientId, lockManager.getDocumentAsXML());
try {
clientChannel.sendToOthers(client, new Data(msg));
} catch (Exception e) {
System.err.println("EditorServer: sendDocumentState: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void lockReleased(Message.LockReleaseMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer: lockReleased.");
lockManager.lockReleased(m.getStartPar(), m.getEndPar(), m.getClientId());
try {
textChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: lockReleased: error sending lock released");
if (EditorServer_Debug) e.printStackTrace();
}
}
/**
* Check access on the new superior entry if it exists. If the entry does not exist or the DN
* cannot be locked then false is returned.
*
* @param superiorDN The DN of the new superior entry.
* @param op The modifyDN operation to check access on.
* @return True if access is granted to the new superior entry.
* @throws DirectoryException If a problem occurs while trying to retrieve the new superior entry.
*/
private boolean aciCheckSuperiorEntry(DN superiorDN, LocalBackendModifyDNOperation op)
throws DirectoryException {
boolean ret = false;
final Lock entryLock = LockManager.lockRead(superiorDN);
if (entryLock == null) {
Message message =
WARN_ACI_HANDLER_CANNOT_LOCK_NEW_SUPERIOR_USER.get(String.valueOf(superiorDN));
logError(message);
return false;
}
try {
Entry superiorEntry = DirectoryServer.getEntry(superiorDN);
if (superiorEntry != null) {
AciLDAPOperationContainer operationContainer =
new AciLDAPOperationContainer(op, (ACI_IMPORT), superiorEntry);
ret = accessAllowed(operationContainer);
}
} finally {
LockManager.unlock(superiorDN, entryLock);
}
return ret;
}
public void textDeleted(Message.TextCutMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer ->textCut.");
try {
long StartPar = m.getStartPar();
long EndPar = m.getEndPar();
int StartOffset = m.getStartOffset();
int EndOffset = m.getEndOffset();
String text = lockManager.getText(StartPar, StartOffset, EndPar, EndOffset);
Vector pars = lockManager.textDeleted(StartPar, StartOffset, EndPar, EndOffset);
textChannel.sendToOthers(client, new Data(m));
EditorClient c = getEditorClient(m.getClientId());
c.addTextCutAction(System.currentTimeMillis(), pars, StartOffset, EndOffset, text);
clientsPanel.updateActionTableFor(c);
updateParagraphList();
} catch (Exception e) {
System.err.println("EditorServer---> textDeleted(cut): error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
/**
* Retrieve the specified page with the associated permissions. Will acquire a lock and may block
* if that lock is held by another transaction.
*
* <p>The retrieved page should be looked up in the buffer pool. If it is present, it should be
* returned. If it is not present, it should be added to the buffer pool and returned. If there is
* insufficient space in the buffer pool, an page should be evicted and the new page should be
* added in its place.
*
* @param tid the ID of the transaction requesting the page
* @param pid the ID of the requested page
* @param perm the requested permissions on the page
* @throws DbException
* @throws TransactionAbortedException
*/
public Page getPage(TransactionId tid, PageId pid, Permissions perm)
throws DbException, TransactionAbortedException {
lockManager.acquireLock(tid, pid, perm);
if (pageIdToPages.containsKey(pid)) {
return pageIdToPages.get(pid);
}
if (currentPages.get() == maxPages) {
evictPage();
}
int tableId = pid.getTableId();
Catalog catalog = Database.getCatalog();
DbFile dbFile = catalog.getDatabaseFile(tableId);
Page page = dbFile.readPage(pid);
pageIdToPages.put(pid, page);
currentPages.incrementAndGet();
return page;
}
public void lockRequested(Message.LockRequestMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer -> lockRequested.");
/*
java.util.Timer t = new java.util.Timer() ;
t.schedule(new TimerTask() {
public void run() {
client.lockDenied(id) ;
}
}, 3000) ;
*/
if (lockManager.lockRequested(m.getStartPar(), m.getEndPar(), m.getClientId())) {
if (EditorServer_Debug) System.out.println("Lock Granted");
Message.LockGrantMsg reply =
new Message.LockGrantMsg(
m.getClientId(), m.getStartPar(), m.getEndPar(), m.getIdNumber());
try {
textChannel.sendToOthers(client, new Data(reply));
} catch (Exception e) {
System.err.println("EditorServer: lockRequested: error sending lock granted");
if (EditorServer_Debug) e.printStackTrace();
}
} else {
if (EditorServer_Debug) System.out.println("Lock Denied");
// send lock denied to sender
Message.LockDenyMsg reply = new Message.LockDenyMsg(m.getClientId(), m.getIdNumber());
try {
textChannel.sendToOthers(client, new Data(reply));
} catch (Exception e) {
System.err.println("EditorServer: lockRequested: error sending lock denied");
if (EditorServer_Debug) e.printStackTrace();
}
}
}
@Override
public void release(LockManager lockManager, Object resource, KernelTransaction tx) {
lockManager.releaseWriteLock(resource, tx);
}
private TaskExecutor(Context context) {
mContext = context.getApplicationContext();
mTaskQueue = new LinkedList<Task>();
mLockManager = LockManager.get(mContext);
}
/**
* Creates a new Lock for reading and increments counter for active readers. The lock is tracked
* if lock tracking is enabled. This method is not thread safe itself, the calling method is
* expected to handle synchronization issues.
*
* @return a read lock.
*/
protected Lock createReadLock() {
return activeReaders.createLock("Read");
}
/**
* Blocks current thread until there are no reader locks active.
*
* @throws InterruptedException
*/
protected void waitForActiveReaders() throws InterruptedException {
activeReaders.waitForActiveLocks();
}
/**
* Blocks current thread until after the writer lock is released (if active).
*
* @throws InterruptedException
*/
protected void waitForActiveWriter() throws InterruptedException {
activeWriter.waitForActiveLocks();
}
/** If one or more readers are active */
protected boolean isReaderActive() {
return activeReaders.isActiveLock();
}
/** If a writer is active */
protected boolean isWriterActive() {
return activeWriter.isActiveLock();
}
/**
* Creates a new Lock for writing. The lock is tracked if lock tracking is enabled. This method is
* not thread safe itself for performance reasons, the calling method is expected to handle
* synchronization issues.
*
* @return a write lock.
*/
protected Lock createWriteLock() {
return activeWriter.createLock("Write");
}
/** ロックが取得可能. */
@Test
public void ロックが取得可能() {
Lock lock = LockManager.getLock(Lock.CATEGORY_ODATA, "aaa", null, null);
assertNotNull(lock);
lock.release();
}
