Package org.exist.util

Examples of org.exist.util.LockException

61
62
63
64
65
66
67
68
69
70
71
        do {
            synchronized (monitor) {
                try {
                    monitor.wait(500);
                } catch (final InterruptedException e) {
                    throw new LockException("Interrupted while waiting for read lock");
                }
            }
            if (deadlocked) {
                LOG.warn("Deadlock detected: cancelling wait...");
                throw new DeadlockException();
View Full Code Here
191
192
193
194
195
196
197
198
199
200
201
            waiter = new WaitingThread(thisThread, thisThread, this, Lock.WRITE_LOCK);
            addWaitingWrite(waiter);
            DeadlockDetection.addResourceWaiter(thisThread, waiter);
        }
        List<WaitingThread> deadlockedThreads = null;
        LockException exceptionCaught = null;
        synchronized (thisThread) {
            if (thisThread != writeLockedThread) {
                while (thisThread != writeLockedThread && deadlockedThreads == null) {
                    if (LockOwner.DEBUG) {
                        final StringBuffer buf = new StringBuffer("Waiting for write: ");
View Full Code Here
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
        if (mode == Lock.NO_LOCK) {
            LOG.warn("acquired with no lock !");
            return true;
        }
        if (Thread.interrupted())
            {throw new LockException();}
        Thread caller = Thread.currentThread();
        synchronized (this) {
            WaitingThread waitingOnResource;
            if (caller == owner_) {
                ++holds_;
                modeStack.push(Integer.valueOf(mode));
                if (mode == Lock.WRITE_LOCK)
                    {writeLocks++;}
                if (DEBUG) {
                    final Throwable t = new Throwable();
                    seStack.push(t.getStackTrace());
                }
                mode_ = mode;
                return true;
            } else if (owner_ == null) {
                owner_ = caller;
                holds_ = 1;
                modeStack.push(Integer.valueOf(mode));
                if (mode== Lock.WRITE_LOCK)
                    {writeLocks++;}
                if (DEBUG) {
                    final Throwable t = new Throwable();
                    seStack.push(t.getStackTrace());
                }
                mode_ = mode;
                return true;
            } else if ((waitingOnResource =
                    DeadlockDetection.deadlockCheckResource(caller, owner_)) != null) {
                waitingOnResource.suspendWaiting();
                final SuspendedWaiter suspended = new SuspendedWaiter(owner_, mode_, holds_);
                suspendedThreads.push(suspended);
                owner_ = caller;
                holds_ = 1;
                modeStack.push(Integer.valueOf(mode));
                if (mode== Lock.WRITE_LOCK)
                    {writeLocks++;}
                mode_ = mode;
                listener = waitingOnResource;
                return true;
            } else {
                DeadlockDetection.addCollectionWaiter(caller, this);
                try {
                    for (;;) {
                        wait(WAIT_CHECK_PERIOD);
                        if ((waitingOnResource = DeadlockDetection.deadlockCheckResource(caller, owner_)) != null) {
                            waitingOnResource.suspendWaiting();
                            final SuspendedWaiter suspended = new SuspendedWaiter(owner_, mode_, holds_);
                            suspendedThreads.push(suspended);
                            owner_ = caller;
                            holds_ = 1;
                            modeStack.push(Integer.valueOf(mode));
                            if (mode== Lock.WRITE_LOCK)
                                {writeLocks++;}
                            mode_ = mode;
                            listener = waitingOnResource;
                            DeadlockDetection.clearCollectionWaiter(owner_);
                            return true;
                        } else if (caller == owner_) {
                            ++holds_;
                            modeStack.push(Integer.valueOf(mode));
                            if (mode == Lock.WRITE_LOCK)
                                {writeLocks++;}
                            if (DEBUG) {
                                final Throwable t = new Throwable();
                                seStack.push(t.getStackTrace());
                            }
                            mode_ = mode;
                            DeadlockDetection.clearCollectionWaiter(owner_);
                            return true;
                        } else if (owner_ == null) {
                            owner_ = caller;
                            holds_ = 1;
                            modeStack.push(Integer.valueOf(mode));
                            if (mode == Lock.WRITE_LOCK)
                                {writeLocks++;}
                            if (DEBUG) {
                                final Throwable t = new Throwable();
                                seStack.push(t.getStackTrace());
                            }
                            mode_ = mode;
                            DeadlockDetection.clearCollectionWaiter(owner_);
                            return true;
                        }
                    }
                } catch (final InterruptedException ex) {
                    notify();
                    throw new LockException("Interrupted while waiting for lock");
                }
            }
        }
    }
View Full Code Here
TOP

Related Classes of org.exist.util.LockException

  • org.exist.storage.lock.MultiReadReentrantLock
  • org.exist.storage.lock.ReentrantReadWriteLock
  • org.exist.storage.lock.WaitingThread
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.