Examples of edu.emory.mathcs.backport.java.util.concurrent.locks.Lock.lock()

Package edu.emory.mathcs.backport.java.util.concurrent.locks

Class edu.emory.mathcs.backport.java.util.concurrent.locks.Lock

Examples of edu.emory.mathcs.backport.java.util.concurrent.locks.Lock.lock()

edu.emory.mathcs.backport.java.util.concurrent.locks.Lock.lock()
Acquires the lock.
If the lock is not available then the current thread becomes disabled for thread scheduling purposes and lies dormant until the lock has been acquired.
Implementation Considerations
A Lock implementation may be able to detect erroneous use of the lock, such as an invocation that would cause deadlock, and may throw an (unchecked) exception in such circumstances. The circumstances and the exception type must be documented by that Lock implementation.


    public ConstraintInfo[] get_constraints(int[] ids) throws ConstraintNotFound
    {
        final Lock _lock = constraintsLock_.readLock();


        _lock.lock();
        try
        {
            final ConstraintInfo[] _constraintInfo = new ConstraintInfo[ids.length];


            for (int _x = 0; _x < ids.length; ++_x)

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        }
    }


    private Object get(boolean direct, int index, Object key) {
        Lock lock = direct ? directLocks[index] : heapLocks[index];
        lock.lock();
        try {
            TreeMap pool = getPool(direct ? directPools[index]
                    : heapPools[index]);
            if (pool != null) {
                for (Iterator iter = pool.tailMap(key).values().iterator(); iter

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            if (index >= 0) {
                Lock lock = heapLocks[index];
                Integer key = new Integer(content.length);
                Entry value = new Entry(content);


                lock.lock();
                try {
                    value.next = (Entry) createPool(heapPools, index).put(key,
                            value);
                } finally {
                    lock.unlock();

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            if (index >= 0) {
                Lock lock = directLocks[index];
                Integer key = new Integer(content.capacity());
                Entry value = new Entry(content);


                lock.lock();
                try {
                    value.next = (Entry) createPool(directPools, index).put(
                            key, value);
                } finally {
                    lock.unlock();

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                if (correlationId == null || correlationId.length() == 0) {
                    throw new IllegalArgumentException("Could not retrieve correlation id for incoming exchange");
                }
                // Load existing aggregation
                Lock lock = getLockManager().getLock(correlationId);
                lock.lock();
                try {
                    Object aggregation = store.load(correlationId);
                    Date timeout = null;
                    // Create a new aggregate
                    if (aggregation == null) {

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    protected void onTimeout(String correlationId) {
        if (log.isDebugEnabled()) {
            log.debug("Timeout expired for aggregate " + correlationId);
        }
        Lock lock = getLockManager().getLock(correlationId);
        lock.lock();
        try {
            Object aggregation = store.load(correlationId);
            if (aggregation != null) {
                sendAggregate(correlationId, aggregation, true);
            } else if (!isAggregationClosed(correlationId)) {

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                if (correlationId == null || correlationId.length() == 0) {
                    throw new IllegalArgumentException("Could not retrieve correlation id for incoming exchange");
                }
                // Load existing aggregation
                Lock lock = getLockManager().getLock(correlationId);
                lock.lock();
                try {
                    Object aggregation = store.load(correlationId);
                    Date timeout = null;
                    // Create a new aggregate
                    if (aggregation == null) {

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    protected void onTimeout(String correlationId) {
        if (log.isDebugEnabled()) {
            log.debug("Timeout expired for aggregate " + correlationId);
        }
        Lock lock = getLockManager().getLock(correlationId);
        lock.lock();
        try {
            Object aggregation = store.load(correlationId);
            if (aggregation != null) {
                sendAggregate(correlationId, aggregation, true);
            } else if (!isAggregationClosed(correlationId)) {

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    public ConstraintInfo[] get_constraints(int[] ids) throws ConstraintNotFound
    {
        final Lock _lock = constraintsLock_.readLock();


        _lock.lock();
        try
        {
            final ConstraintInfo[] _constraintInfo = new ConstraintInfo[ids.length];


            for (int _x = 0; _x < ids.length; ++_x)

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    public ConstraintInfo[] get_constraints(int[] ids) throws ConstraintNotFound
    {
        final Lock _lock = constraintsLock_.readLock();


        _lock.lock();
        try
        {
            final ConstraintInfo[] _constraintInfo = new ConstraintInfo[ids.length];


            for (int _x = 0; _x < ids.length; ++_x)

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