Package java.util.concurrent.locks.ReentrantReadWriteLock

Examples of java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock.lock()

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             * send a diff to the
             */
            ReentrantReadWriteLock lock = leader.zk.getZKDatabase().getLogLock();
            ReadLock rl = lock.readLock();
            try {
                rl.lock();       
                final long maxCommittedLog = leader.zk.getZKDatabase().getmaxCommittedLog();
                final long minCommittedLog = leader.zk.getZKDatabase().getminCommittedLog();
                LinkedList<Proposal> proposals = leader.zk.getZKDatabase().getCommittedLog();
                if (proposals.size() != 0) {
                    if ((maxCommittedLog >= peerLastZxid)
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         * {@inheritDoc}
         */
        @Override
        public int getNumIdle(final K key) {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return keyedPool.getNumIdle(key);
            } finally {
                readLock.unlock();
            }
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         * {@inheritDoc}
         */
        @Override
        public int getNumActive(final K key) {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return keyedPool.getNumActive(key);
            } finally {
                readLock.unlock();
            }
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         * {@inheritDoc}
         */
        @Override
        public int getNumIdle() {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return keyedPool.getNumIdle();
            } finally {
                readLock.unlock();
            }
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         * {@inheritDoc}
         */
        @Override
        public int getNumActive() {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return keyedPool.getNumActive();
            } finally {
                readLock.unlock();
            }
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         * {@inheritDoc}
         */
        @Override
        public int getNumIdle() {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return pool.getNumIdle();
            } finally {
                readLock.unlock();
            }
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         * {@inheritDoc}
         */
        @Override
        public int getNumActive() {
            ReadLock readLock = readWriteLock.readLock();
            readLock.lock();
            try {
                return pool.getNumActive();
            } finally {
                readLock.unlock();
            }
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    public synchronized LinkedList<Proposal> getCommittedLog() {
        ReadLock rl = logLock.readLock();
        // only make a copy if this thread isn't already holding a lock
        if(logLock.getReadHoldCount() <=0) {
            try {
                rl.lock();
                return new LinkedList<Proposal>(this.committedLog);
            } finally {
                rl.unlock();
            }
        }
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             * send a diff to the
             */
            ReentrantReadWriteLock lock = leader.zk.getZKDatabase().getLogLock();
            ReadLock rl = lock.readLock();
            try {
                rl.lock();       
                final long maxCommittedLog = leader.zk.getZKDatabase().getmaxCommittedLog();
                final long minCommittedLog = leader.zk.getZKDatabase().getminCommittedLog();
                LOG.info("Synchronizing with Follower sid: " + this.sid
                        +" maxCommittedLog ="+Long.toHexString(maxCommittedLog)
                        +" minCommittedLog = "+Long.toHexString(minCommittedLog)
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             * send a diff to the
             */
            ReentrantReadWriteLock lock = leader.zk.getZKDatabase().getLogLock();
            ReadLock rl = lock.readLock();
            try {
                rl.lock();       
                final long maxCommittedLog = leader.zk.getZKDatabase().getmaxCommittedLog();
                final long minCommittedLog = leader.zk.getZKDatabase().getminCommittedLog();
                LOG.info("Synchronizing with Follower sid: " + sid
                        +" maxCommittedLog=0x"+Long.toHexString(maxCommittedLog)
                        +" minCommittedLog=0x"+Long.toHexString(minCommittedLog)
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