Example usage for java.util.concurrent.locks Lock lock

Introduction

In this page you can find the example usage for java.util.concurrent.locks Lock lock.

Prototype

lock

Source Link

Usage

From source file:com.mastfrog.netty.http.client.CookieStore.java

void extract(HttpHeaders headers) {
    List<String> hdrs = headers.getAll(Headers.SET_COOKIE.name());
    if (!hdrs.isEmpty()) {
        Lock writeLock = lock.writeLock();
        try {//  w  w  w . ja v  a2  s.c o m
            writeLock.lock();
            for (String header : hdrs) {
                try {
                    Cookie cookie = Headers.SET_COOKIE.toValue(header);
                    add(cookie);
                } catch (Exception e) {
                    if (errorHandler != null) {
                        errorHandler.receive(e);
                    } else {
                        Exceptions.chuck(e);
                    }
                }
            }
        } finally {
            writeLock.unlock();
        }
    }
}

From source file:org.springframework.integration.redis.util.RedisLockRegistryTests.java

@Test
@RedisAvailable//from  w  ww  .j  av  a  2s . com
public void testEquals() throws Exception {
    RedisConnectionFactory connectionFactory = this.getConnectionFactoryForTest();
    RedisLockRegistry registry1 = new RedisLockRegistry(connectionFactory, this.registryKey);
    registry1.setUseWeakReferences(true);
    RedisLockRegistry registry2 = new RedisLockRegistry(connectionFactory, this.registryKey);
    RedisLockRegistry registry3 = new RedisLockRegistry(connectionFactory, this.registryKey2);
    Lock lock1 = registry1.obtain("foo");
    Lock lock2 = registry1.obtain("foo");
    assertEquals(lock1, lock2);
    lock1.lock();
    lock2.lock();
    assertEquals(lock1, lock2);
    lock1.unlock();
    lock2.unlock();
    assertEquals(lock1, lock2);

    lock1 = registry1.obtain("foo");
    lock2 = registry2.obtain("foo");
    assertNotEquals(lock1, lock2);
    lock1.lock();
    assertFalse(lock2.tryLock());
    lock1.unlock();

    lock1 = registry1.obtain("foo");
    lock2 = registry3.obtain("foo");
    assertNotEquals(lock1, lock2);
    lock1.lock();
    lock2.lock();
    lock1.unlock();
    lock2.unlock();
}

From source file:com.mastfrog.netty.http.client.CookieStore.java

@Override
public Iterator<Cookie> iterator() {
    Lock readLock = lock.readLock();
    List<Cookie> cks = new ArrayList<Cookie>();
    readLock.lock();
    try {//from w  w  w . ja v a2  s .  com
        cks.addAll(cookies);
    } finally {
        readLock.unlock();
    }
    Collections.sort(cks);
    return cks.iterator();
}

From source file:com.mastfrog.netty.http.client.CookieStore.java

public String toString() {
    Lock readLock = lock.readLock();
    List<Cookie> cks = new ArrayList<Cookie>();
    readLock.lock();
    try {/*w  w  w.j  av  a 2 s .  co  m*/
        if (cookies.isEmpty()) {
            return "[no cookies]";
        }
        cks.addAll(cookies);
    } finally {
        readLock.unlock();
    }
    Collections.sort(cks);
    return Headers.COOKIE.toString(cks.toArray(new Cookie[cks.size()]));
}

From source file:org.jivesoftware.openfire.spi.PresenceManagerImpl.java

/**
 * Loads offline presence data for the user into cache.
 *
 * @param username the username./* ww  w  .  ja v a2  s.  c  om*/
 */
private void loadOfflinePresence(String username) {
    Connection con = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    Lock lock = CacheFactory.getLock(username, offlinePresenceCache);
    try {
        lock.lock();
        if (!offlinePresenceCache.containsKey(username) || !lastActivityCache.containsKey(username)) {
            con = DbConnectionManager.getConnection();
            pstmt = con.prepareStatement(LOAD_OFFLINE_PRESENCE);
            pstmt.setString(1, username);
            rs = pstmt.executeQuery();
            if (rs.next()) {
                String offlinePresence = DbConnectionManager.getLargeTextField(rs, 1);
                if (rs.wasNull()) {
                    offlinePresence = NULL_STRING;
                }
                long offlineDate = Long.parseLong(rs.getString(2).trim());
                offlinePresenceCache.put(username, offlinePresence);
                lastActivityCache.put(username, offlineDate);
            } else {
                offlinePresenceCache.put(username, NULL_STRING);
                lastActivityCache.put(username, NULL_LONG);
            }
        }
    } catch (SQLException sqle) {
        Log.error(sqle.getMessage(), sqle);
    } finally {
        DbConnectionManager.closeConnection(rs, pstmt, con);
        lock.unlock();
    }
}

From source file:com.mastfrog.netty.http.client.CookieStore.java

public void store(OutputStream out) throws IOException {
    ObjectMapper om = new ObjectMapper();
    Lock readLock = lock.readLock();
    List<DateCookie> cks = new ArrayList<>();
    readLock.lock();
    try {//from  w w w. j av a  2s  .  com
        cks.addAll(cookies);
    } finally {
        readLock.unlock();
    }
    List<Map<String, Object>> list = new LinkedList<>();
    for (DateCookie ck : cks) {
        Map<String, Object> m = new HashMap<>();
        m.put("domain", ck.getDomain());
        m.put("maxAge", ck.getMaxAge());
        m.put("timestamp", ck.getTimestamp().getMillis());
        m.put("path", ck.getPath());
        m.put("name", ck.getName());
        m.put("value", ck.getValue());
        m.put("httpOnly", ck.isHttpOnly());
        m.put("secure", ck.isSecure());
        if (ck.getComment() != null) {
            m.put("comment", ck.getComment());
        }
        if (ck.getCommentUrl() != null) {
            m.put("commentUrl", ck.getCommentUrl());
        }
        if (ck.getPorts() != null && !ck.getPorts().isEmpty()) {
            m.put("ports", ck.getPorts().toArray(new Integer[0]));
        }
        list.add(m);
    }
    om.writeValue(out, list);
}

From source file:com.mastfrog.netty.http.client.CookieStore.java

@SuppressWarnings("unchecked")
public void read(InputStream in) throws IOException {
    ObjectMapper om = new ObjectMapper();
    List<Map<String, Object>> l = om.readValue(in, List.class);
    List<DateCookie> cks = new ArrayList<>();
    for (Map<String, Object> m : l) {
        String domain = (String) m.get("domain");
        Number maxAge = (Number) m.get("maxAge");
        Number timestamp = (Number) m.get("timestamp");
        String path = (String) m.get("path");
        String name = (String) m.get("name");
        String value = (String) m.get("value");
        Boolean httpOnly = (Boolean) m.get("httpOnly");
        Boolean secure = (Boolean) m.get("secure");
        String comment = (String) m.get("comment");
        String commentUrl = (String) m.get("commentUrl");
        List<Integer> ports = (List<Integer>) m.get("ports");
        DateTime ts = timestamp == null ? DateTime.now() : new DateTime(timestamp.longValue());
        DateCookie cookie = new DateCookie(new DefaultCookie(name, value), ts);
        if (cookie.isExpired()) {
            continue;
        }/*from   w w w  .j  ava2s  .c o m*/
        if (domain != null) {
            cookie.setDomain(domain);
        }
        if (maxAge != null) {
            cookie.setMaxAge(maxAge.longValue());
        }
        if (path != null) {
            cookie.setPath(path);
        }
        if (httpOnly != null) {
            cookie.setHttpOnly(httpOnly);
        }
        if (secure != null) {
            cookie.setSecure(secure);
        }
        if (comment != null) {
            cookie.setComment(comment);
        }
        if (commentUrl != null) {
            cookie.setCommentUrl(commentUrl);
        }
        if (ports != null) {
            cookie.setPorts(ports);
        }
        cks.add(cookie);
    }
    if (!cks.isEmpty()) {
        Lock writeLock = lock.writeLock();
        try {
            writeLock.lock();
            cookies.addAll(cks);
        } finally {
            writeLock.unlock();
        }
    }
}

From source file:org.apache.bookkeeper.bookie.EntryLogManagerForEntryLogPerLedger.java

@Override
public long addEntry(long ledger, ByteBuf entry, boolean rollLog) throws IOException {
    Lock lock = getLock(ledger);
    lock.lock();
    try {/*from  w w  w  .  j  a  v a 2 s .  c o m*/
        return super.addEntry(ledger, entry, rollLog);
    } finally {
        lock.unlock();
    }
}

From source file:org.apache.bookkeeper.bookie.EntryLogManagerForEntryLogPerLedger.java

@Override
void createNewLog(long ledgerId) throws IOException {
    Lock lock = getLock(ledgerId);
    lock.lock();
    try {/*from   w w w  .j a  v  a 2 s . c  o m*/
        super.createNewLog(ledgerId);
    } finally {
        lock.unlock();
    }
}

From source file:org.apache.bookkeeper.bookie.EntryLogManagerForEntryLogPerLedger.java

public BufferedLogChannelWithDirInfo getCurrentLogWithDirInfoForLedger(long ledgerId) throws IOException {
    Lock lock = getLock(ledgerId);
    lock.lock();
    try {/* ww  w.j  a va  2  s  .c o  m*/
        EntryLogAndLockTuple entryLogAndLockTuple = ledgerIdEntryLogMap.get(ledgerId);
        return entryLogAndLockTuple.getEntryLogWithDirInfo();
    } catch (Exception e) {
        log.error("Received unexpected exception while fetching entry from map for ledger: " + ledgerId, e);
        throw new IOException("Received unexpected exception while fetching entry from map", e);
    } finally {
        lock.unlock();
    }
}