本文整理匯總了Java中java.nio.channels.FileLock.release方法的典型用法代碼示例。如果您正苦於以下問題:Java FileLock.release方法的具體用法?Java FileLock.release怎麽用?Java FileLock.release使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.nio.channels.FileLock
的用法示例。
在下文中一共展示了FileLock.release方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: release
import java.nio.channels.FileLock; //導入方法依賴的package包/類
private static void release(String lockName, FileLock fileLock, File file, Closeable stream) {
synchronized (LOCK_MAP) {
if (fileLock != null) {
try {
LOCK_MAP.remove(lockName, fileLock.hashCode());
ConcurrentHashMap<Integer, ProcessLock> locks = LOCK_MAP.get(lockName);
if (locks == null || locks.isEmpty()) {
IOUtil.deleteFileOrDir(file);
}
if (fileLock.channel().isOpen()) {
fileLock.release();
}
} catch (Throwable ex) {
LogUtil.e(ex.getMessage(), ex);
} finally {
IOUtil.closeQuietly(fileLock.channel());
}
}
IOUtil.closeQuietly(stream);
}
}
示例2: incrementNextTaskId
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public synchronized int incrementNextTaskId() {
int toRet = -1;
try {
FileLock l = channel.lock();
buffer.position(0);
int current = buffer.getInt();
buffer.position(0);
current++;
toRet = current;
buffer.putInt(current);
l.release();
} catch (IOException e) {
System.err.println("SharedSystemData, IOException : " + e.getMessage());
e.printStackTrace();
}
return toRet;
}
示例3: zipFile
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Compactar uma arquivo.
* @param inputFile informar o arquivo a ser compactado.
* @param zipFilePath informar o nome e caminho zip.
* @param iZipFile se necessário, informar uma {@link IZipFile}.
* @throws IOException
*/
public static void zipFile(File inputFile, String zipFilePath, IZipFile iZipFile) throws IOException {
FileOutputStream fileOutputStream = new FileOutputStream(zipFilePath);
ZipOutputStream zipOutputStream = new ZipOutputStream(fileOutputStream);
ZipEntry zipEntry = new ZipEntry(inputFile.getName());
zipOutputStream.putNextEntry(zipEntry);
FileInputStream fileInputStream = new FileInputStream(inputFile);
FileChannel fileChannel = fileInputStream.getChannel();
FileLock fileLock = fileChannel.tryLock(0L, Long.MAX_VALUE, /*shared*/true);
long sizeToZip = fileInputStream.available();
long sizeCompacted = 0;
try {
byte[] buf = new byte[1024];
int bytesRead;
while ((bytesRead = fileInputStream.read(buf)) > 0) {
sizeCompacted += bytesRead;
zipOutputStream.write(buf, 0, bytesRead);
if (iZipFile != null) iZipFile.progress(sizeToZip, sizeCompacted);
}
} finally {
fileLock.release();
zipOutputStream.closeEntry();
zipOutputStream.close();
fileOutputStream.close();
}
}
示例4: testOperationActions
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public void testOperationActions() throws Exception { // #72397
final NbModuleProject project = generateStandaloneModule("module");
cgpi.setProject(project);
DialogDisplayerImpl dd = (DialogDisplayerImpl) Lookup.getDefault().lookup(DialogDisplayer.class);
FileObject lock = FileUtil.createData(project.getProjectDirectory(), "build/testuserdir/lock");
RandomAccessFile raf = new RandomAccessFile(FileUtil.toFile(lock), "rw");
FileLock lck = raf.getChannel().lock();
EventQueue.invokeAndWait(new Runnable() {
@Override public void run() {
((ContextAwareAction) CommonProjectActions.deleteProjectAction()).createContextAwareInstance(Lookups.singleton(project)).actionPerformed(null);
}
});
assertNotNull("warning message emitted", dd.getLastNotifyDescriptor());
assertEquals("warning message emitted", dd.getLastNotifyDescriptor().getMessage(),
Bundle.ERR_ModuleIsBeingRun());
dd.reset();
lck.release();
raf.close();
lock.delete();
EventQueue.invokeAndWait(new Runnable() {
@Override public void run() {
CommonProjectActions.deleteProjectAction().actionPerformed(null);
}
});
assertNull("no warning message", dd.getLastNotifyDescriptor());
}
示例5: unlockFile
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Unlock file already locked with {@link #lockFile(String) lockFile()} method
*
* @param fileName file name
*/
@Override
public void unlockFile(
String fileName ) {
synchronized (lockedFiles) {
FileLock fileLock = lockedFiles.get(fileName);
if (fileLock != null) {
try {
fileLock.release();
} catch (Exception e) {
throw new FileSystemOperationException("Could not unlock file '" + fileName + "'", e);
} finally {
IoUtils.closeStream(fileLock.channel());
lockedFiles.remove(fileName);
}
} else {
log.warn("File '" + fileName + "' is not locked, so we will not try to unlock it");
}
}
}
示例6: unzipFile
import java.nio.channels.FileLock; //導入方法依賴的package包/類
private File unzipFile(File cachedFile) throws IOException {
String filename = cachedFile.getName();
File destDir = new File(cachedFile.getParentFile(), filename + "_unzip");
if (!destDir.exists()) {
File lockFile = new File(cachedFile.getParentFile(), filename + "_unzip.lock");
FileOutputStream out = new FileOutputStream(lockFile);
try {
FileLock lock = out.getChannel().lock();
try {
// Recheck in case of concurrent processes
if (!destDir.exists()) {
Path tempDir = fileCache.createTempDir();
ZipUtils.unzip(cachedFile, tempDir.toFile(), newLibFilter());
FileUtils.moveDirectory(tempDir.toFile(), destDir);
}
} finally {
lock.release();
}
} finally {
out.close();
FileUtils.deleteQuietly(lockFile);
}
}
return destDir;
}
示例7: releaseLock
import java.nio.channels.FileLock; //導入方法依賴的package包/類
void releaseLock(final FileLock fileLock, final File lockFile) throws IOException {
if (lockFile == null) {
return;
}
try {
if (fileLock != null) {
fileLock.release();
fileLock.channel().close();
}
} finally {
if (!lockFile.delete()) {
lockFile.deleteOnExit();
}
}
}
示例8: isLockSupported
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Check whether underlying file system supports file locking.
*
* @return <code>true</code> if exclusive locks are supported or
* <code>false</code> otherwise.
* @throws IOException
* @see StorageDirectory#lock()
*/
public boolean isLockSupported() throws IOException {
FileLock firstLock = null;
FileLock secondLock = null;
try {
firstLock = lock;
if(firstLock == null) {
firstLock = tryLock();
if(firstLock == null)
return true;
}
secondLock = tryLock();
if(secondLock == null)
return true;
} finally {
if(firstLock != null && firstLock != lock) {
firstLock.release();
firstLock.channel().close();
}
if(secondLock != null) {
secondLock.release();
secondLock.channel().close();
}
}
return false;
}
示例9: setNextTaskId
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Acquire file lock and set next task id.
*/
public synchronized void setNextTaskId(int pNextTaskId) {
try {
FileLock l = channel.lock();
buffer.position(0);
buffer.putInt(pNextTaskId);
l.release();
} catch (IOException e) {
System.err.println("SharedSystemData, IOException : " + e.getMessage());
e.printStackTrace();
}
}
示例10: getNextTaskId
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Acquire file lock and get next task id.
* @return
*/
public synchronized int getNextTaskId() {
int toRet = -1;
try {
FileLock l = channel.lock();
buffer.position(0);
toRet = buffer.getInt();
l.release();
} catch (IOException e) {
System.err.println("SharedSystemData, IOException : " + e.getMessage());
e.printStackTrace();
}
return toRet;
}
示例11: setShutdownSignal
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public synchronized void setShutdownSignal(boolean pShutdownSignal) {
try {
FileLock l = channel.lock();
buffer.position(Integer.BYTES);
buffer.putInt(pShutdownSignal ? 1 : 0);
l.release();
} catch (IOException e) {
System.err.println("SharedSystemData, IOException : " + e.getMessage());
e.printStackTrace();
}
}
示例12: getShutdownSignal
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public boolean getShutdownSignal() {
boolean toRet = false;
try {
FileLock l = channel.lock(Integer.BYTES, Integer.BYTES, false);
buffer.position(Integer.BYTES);
toRet = buffer.getInt() == 1 ? true : false;
l.release();
} catch (IOException e) {
System.err.println("SharedSystemData, IOException : " + e.getMessage());
e.printStackTrace();
}
return toRet;
}
示例13: testCannotLock
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public void testCannotLock() throws Exception {
FileOutputStream os = new FileOutputStream(file);
FileLock lock = os.getChannel().lock();
try {
assertTrue("Is locked", condition.eval());
} finally {
lock.release();
}
}
示例14: main
import java.nio.channels.FileLock; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception{
FileOutputStream fos=new FileOutputStream("");
FileLock fl=fos.getChannel().tryLock();
if(fl!=null){
System.out.println("Locked File");
TimeUnit.MILLISECONDS.sleep(100);
fl.release();
System.out.println("Released Lock");
}
fos.close();
}
示例15: unlock
import java.nio.channels.FileLock; //導入方法依賴的package包/類
/**
* Unlock the state directory for the given {@link TaskId}
* @param taskId
* @throws IOException
*/
void unlock(final TaskId taskId) throws IOException {
final FileLock lock = locks.remove(taskId);
if (lock != null) {
lock.release();
log.debug("{} Released state dir lock for task {}", logPrefix, taskId);
final FileChannel fileChannel = channels.remove(taskId);
if (fileChannel != null) {
fileChannel.close();
}
}
}