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

Example 56 with Lock

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

the class AITCounterImpl01 method set.

public void set(int value) throws InvocationException {
    try {
        AtomicTransaction atomicTransaction = new AtomicTransaction();
        try {
            atomicTransaction.begin();
            if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED) {
                _value = value;
                atomicTransaction.commit(true);
            } else {
                atomicTransaction.rollback();
                throw new InvocationException();
            }
        } catch (InvocationException invocationException) {
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITCounterImpl01.set: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            throw new InvocationException();
        }
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITCounterImpl01.set: " + exception);
        throw new InvocationException();
    }
}

Example 57 with Lock

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

the class AITCounterImpl01 method get.

public void get(IntHolder value) throws InvocationException {
    try {
        AtomicTransaction atomicTransaction = new AtomicTransaction();
        try {
            atomicTransaction.begin();
            if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED) {
                value.value = _value;
                atomicTransaction.commit(true);
            } else {
                atomicTransaction.rollback();
                throw new InvocationException();
            }
        } catch (InvocationException invocationException) {
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITCounterImpl01.get: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            throw new InvocationException();
        }
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITCounterImpl01.get: " + exception);
        throw new InvocationException();
    }
}

Example 58 with Lock

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

the class AITCounterImpl04 method increase.

public void increase(Control ctrl) throws InvocationException {
    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.WRITE), super.waitTotalTimeout) == LockResult.GRANTED) {
                _value++;
                atomicTransaction.commit(true);
            } else {
                atomicTransaction.rollback();
                throw new InvocationException();
            }
        } catch (InvocationException invocationException) {
            interposition.unregisterTransaction();
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITCounterImpl04.increase: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException();
        } catch (Error error) {
            System.err.println("AITCounterImpl04.increase: " + error);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException();
        }
        interposition.unregisterTransaction();
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITCounterImpl04.increase: " + exception);
        throw new InvocationException();
    }
}

Example 59 with Lock

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

the class AITCounterImpl04 method get.

public void get(IntHolder value, Control ctrl) throws InvocationException {
    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), super.waitTotalTimeout) == LockResult.GRANTED) {
                value.value = _value;
                atomicTransaction.commit(true);
            } else {
                atomicTransaction.rollback();
                throw new InvocationException();
            }
        } catch (InvocationException invocationException) {
            interposition.unregisterTransaction();
            throw invocationException;
        } catch (Exception exception) {
            System.err.println("AITCounterImpl04.get: " + exception);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException();
        } catch (Error error) {
            System.err.println("AITCounterImpl04.get: " + error);
            if (atomicTransaction.get_status() == Status.StatusActive) {
                atomicTransaction.rollback();
            }
            interposition.unregisterTransaction();
            throw new InvocationException();
        }
        interposition.unregisterTransaction();
    } catch (InvocationException invocationException) {
        throw invocationException;
    } catch (Exception exception) {
        System.err.println("AITCounterImpl04.get: " + exception);
        throw new InvocationException();
    }
}

Example 60 with Lock

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

the class TXBasicLockRecord2 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;
        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");
            a.abort();
        } else {
            a.commit();
            returnValue = 1;
        }
    } catch (Exception e) {
        a.abort();
        qautil.debug("exception in increase method ", e);
    }
    return returnValue;
}