Examples with Lock com.arjuna.ats.txoj.Lock used on opensource projects

Example 61 with Lock

use of com.arjuna.ats.txoj.Lock in project narayana by jbosstm.

the class TXBasicLockRecord method increase.

/**
 * We will start a subtrancastion during the increase to see what effet this has.
 *
 * @return +1 if tx was committed, 0 if tx was not committed
 */
public int increase(int retry, int wait_time) {
    int returnValue = 0;
    AtomicAction a = new AtomicAction();
    a.begin();
    try {
        int locking_result = LockResult.REFUSED;
        int locking_attempt_count = 0;
        do {
            locking_result = setlock(new Lock(LockMode.WRITE), retry, wait_time);
            if (locking_result == LockResult.GRANTED) {
                mValue++;
            } else {
                locking_attempt_count++;
            }
            if (timeOfLastWaiting < (System.currentTimeMillis() - 15000)) {
                System.out.println("Thread: [" + Thread.currentThread() + "]");
                timeOfLastWaiting = System.currentTimeMillis();
            }
        } while ((locking_result != LockResult.GRANTED) && (locking_attempt_count < mLimit));
        if (locking_result != LockResult.GRANTED) {
            qautil.qadebug("trying to get lock for " + mLimit + "th time");
            a.abort();
        } else {
            a.commit();
            returnValue = 1;
        }
    } catch (Exception e) {
        a.abort();
        qautil.debug("exception in increase method ", e);
    }
    return returnValue;
}

Example 62 with Lock

use of com.arjuna.ats.txoj.Lock in project narayana by jbosstm.

the class TXBasicLockRecord method getValue.

public int getValue(int retry, int wait_time) {
    int return_value = 0;
    AtomicAction a = new AtomicAction();
    a.begin();
    try {
        int locking_result = LockResult.REFUSED;
        int locking_attempt_count = 0;
        do {
            locking_result = setlock(new Lock(LockMode.READ), retry, wait_time);
            if (locking_result == LockResult.GRANTED) {
                return_value = mValue;
            } else {
                locking_attempt_count++;
            }
        } while ((locking_result != LockResult.GRANTED) && (locking_attempt_count < mLimit));
        if (locking_result != LockResult.GRANTED) {
            qautil.qadebug("trying to get lock for " + mLimit + "th time");
        }
        a.commit();
    } catch (Exception e) {
        a.abort();
        qautil.debug("exception in get method ", e);
    }
    return return_value;
}

Example 63 with Lock

use of com.arjuna.ats.txoj.Lock in project narayana by jbosstm.

the class BasicLockRecord2 method increase.

public int increase(int retry, int wait_time) {
    int returnValue = 0;
    int locking_result = LockResult.REFUSED;
    int locking_attempt_count = 0;
    Lock lck = new Lock(LockMode.WRITE);
    do {
        locking_result = setlock(lck, retry, wait_time);
        if (locking_result == LockResult.GRANTED) {
            mValue++;
        } else {
            locking_attempt_count++;
        }
    } while ((locking_result != LockResult.GRANTED) && (locking_attempt_count < mLimit));
    if (locking_result != LockResult.GRANTED) {
        qautil.qadebug("trying to get lock for " + mLimit + "th time");
    } else {
        returnValue = 1;
    }
    return returnValue;
}

Example 64 with Lock

use of com.arjuna.ats.txoj.Lock in project narayana by jbosstm.

the class AITMatrixImpl01 method get_value.

public void get_value(int x, int y, IntHolder value, Control ctrl) throws InvocationException {
    if ((x < 0) || (x >= _width) || (y < 0) || (y >= _height)) {
        throw new InvocationException(Reason.ReasonUnknown);
    }
    try {
        com.arjuna.ats.jts.ExplicitInterposition interposition = new com.arjuna.ats.jts.ExplicitInterposition();
        interposition.registerTransaction(ctrl);
        AtomicTransaction atomicTransaction = new AtomicTransaction();
        try {
            atomicTransaction.begin();
            if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED) {
                value.value = _values[x][y];
                atomicTransaction.commit(true);
            } else {
                atomicTransaction.rollback();
                throw new InvocationException(Reason.ReasonConcurrencyControl);
            }
        } catch (InvocationException invocationException) {
            interposition.unregisterTransaction();
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITMatrixImpl01.get_value: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException(Reason.ReasonUnknown);
        } catch (Error error) {
            System.err.println("AITMatrixImpl01.get_value: " + error);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException(Reason.ReasonUnknown);
        }
        interposition.unregisterTransaction();
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITMatrixImpl01.get_value: " + exception);
        throw new InvocationException(Reason.ReasonUnknown);
    }
}

Example 65 with Lock

use of com.arjuna.ats.txoj.Lock in project narayana by jbosstm.

the class AITMatrixImpl03 method get_value.

public void get_value(int x, int y, IntHolder value) throws InvocationException {
    if ((x < 0) || (x >= _width) || (y < 0) || (y >= _height)) {
        throw new InvocationException(Reason.ReasonUnknown);
    }
    try {
        AtomicTransaction atomicTransaction = new AtomicTransaction();
        try {
            atomicTransaction.begin();
            if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED) {
                try {
                    _values[x][y].get_value(value);
                    atomicTransaction.commit(true);
                } catch (InvocationException invocationException) {
                    atomicTransaction.rollback();
                    throw invocationException;
                }
            } else {
                atomicTransaction.rollback();
                throw new InvocationException(Reason.ReasonConcurrencyControl);
            }
        } catch (InvocationException invocationException) {
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITMatrixImpl03.get_value: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            throw new InvocationException(Reason.ReasonUnknown);
        }
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITMatrixImpl03.get_value: " + exception);
        throw new InvocationException(Reason.ReasonUnknown);
    }
}