Package org.apache.accumulo.server.zookeeper

Examples of org.apache.accumulo.server.zookeeper.DistributedReadWriteLock

83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
    final SomeData data = new SomeData();
    data.write();
    data.read();
    QueueLock qlock = new MockQueueLock();
   
    final ReadWriteLock locker = new DistributedReadWriteLock(qlock, "locker1".getBytes());
    Lock readLock = locker.readLock();
    Lock writeLock = locker.writeLock();
    readLock.lock();
    readLock.unlock();
    writeLock.lock();
    writeLock.unlock();
    readLock.lock();
    readLock.unlock();
   
    // do a bunch of reads/writes in separate threads, look for inconsistent updates
    Thread[] threads = new Thread[2];
    for (int i = 0; i < threads.length; i++) {
      final int which = i;
      threads[i] = new Thread() {
        public void run() {
          if (which % 2 == 0) {
            Lock wl = locker.writeLock();
            wl.lock();
            try {
              data.write();
            } finally {
              wl.unlock();
            }
          } else {
            Lock rl = locker.readLock();
            rl.lock();
            data.read();
            try {
              data.read();
            } finally {
View Full Code Here
114
115
116
117
118
119
120
121
122
123
124
125
126
  private static Lock getLock(String tableId, long tid, boolean writeLock) throws Exception {
    byte[] lockData = String.format("%016x", tid).getBytes();
    ZooQueueLock qlock = new ZooQueueLock(ZooUtil.getRoot(HdfsZooInstance.getInstance()) + Constants.ZTABLE_LOCKS + "/" + tableId, false);
    Lock lock = DistributedReadWriteLock.recoverLock(qlock, lockData);
    if (lock == null) {
      DistributedReadWriteLock locker = new DistributedReadWriteLock(qlock, lockData);
      if (writeLock)
        lock = locker.writeLock();
      else
        lock = locker.readLock();
    }
    return lock;
  }
View Full Code Here
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
    final SomeData data = new SomeData();
    data.write();
    data.read();
    QueueLock qlock = new MockQueueLock();
   
    final ReadWriteLock locker = new DistributedReadWriteLock(qlock, "locker1".getBytes());
    Lock readLock = locker.readLock();
    Lock writeLock = locker.writeLock();
    readLock.lock();
    readLock.unlock();
    writeLock.lock();
    writeLock.unlock();
    readLock.lock();
    readLock.unlock();
   
    // do a bunch of reads/writes in separate threads, look for inconsistent updates
    Thread[] threads = new Thread[2];
    for (int i = 0; i < threads.length; i++) {
      final int which = i;
      threads[i] = new Thread() {
        public void run() {
          if (which % 2 == 0) {
            Lock wl = locker.writeLock();
            wl.lock();
            try {
              data.write();
            } finally {
              wl.unlock();
            }
          } else {
            Lock rl = locker.readLock();
            rl.lock();
            data.read();
            try {
              data.read();
            } finally {
View Full Code Here
TOP

Related Classes of org.apache.accumulo.server.zookeeper.DistributedReadWriteLock

  • org.apache.accumulo.server.master.tableOps.Utils
  • org.apache.accumulo.server.zookeeper.DistributedReadWriteLockTest
  • org.apache.commons.lang.NotImplementedException
    • 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.