org.quartz.impl.jdbcjobstore.LockException java code examples

Common ways to obtain LockException

private void myMethod () {
 LockException l =String str;Throwable cause;new LockException(str, cause)
Smart code suggestions by Codota
}

/**
 * Helper method to get the current <code>{@link javax.transaction.Transaction}</code>
 * from the <code>{@link javax.transaction.TransactionManager}</code> in JNDI.
 * 
 * @return The current <code>{@link javax.transaction.Transaction}</code>, null if
 * not currently in a transaction.
 */
protected Transaction getTransaction() throws LockException{
  InitialContext ic = null; 
  try {
    ic = new InitialContext(); 
    TransactionManager tm = (TransactionManager)ic.lookup(transactionManagerJNDIName);
    
    return tm.getTransaction();
  } catch (SystemException e) {
    throw new LockException("Failed to get Transaction from TransactionManager", e);
  } catch (NamingException e) {
    throw new LockException("Failed to find TransactionManager in JNDI under name: " + transactionManagerJNDIName, e);
  } finally {
    if (ic != null) {
      try {
        ic.close();
      } catch (NamingException ignored) {
      }
    }
  }
}

protected void releaseLock(String lockName, boolean doIt) {
  if (doIt) {
    try {
      getLockHandler().releaseLock(lockName);
    } catch (LockException le) {
      getLog().error("Error returning lock: " + le.getMessage(), le);
    }
  }
}

/**
 * Helper method to get the current <code>{@link javax.transaction.Transaction}</code>
 * from the <code>{@link javax.transaction.TransactionManager}</code> in JNDI.
 * 
 * @return The current <code>{@link javax.transaction.Transaction}</code>, null if
 * not currently in a transaction.
 */
protected Transaction getTransaction() throws LockException{
  InitialContext ic = null; 
  try {
    ic = new InitialContext(); 
    TransactionManager tm = (TransactionManager)ic.lookup(transactionManagerJNDIName);
    
    return tm.getTransaction();
  } catch (SystemException e) {
    throw new LockException("Failed to get Transaction from TransactionManager", e);
  } catch (NamingException e) {
    throw new LockException("Failed to find TransactionManager in JNDI under name: " + transactionManagerJNDIName, e);
  } finally {
    if (ic != null) {
      try {
        ic.close();
      } catch (NamingException ignored) {
      }
    }
  }
}

protected void releaseLock(String lockName, boolean doIt) {
  if (doIt) {
    try {
      getLockHandler().releaseLock(lockName);
    } catch (LockException le) {
      getLog().error("Error returning lock: " + le.getMessage(), le);
    }
  }
}

/**
 * Execute the SQL select for update that will lock the proper database row.
 */
@Override
protected void executeSQL(Connection conn, final String lockName, final String expandedSQL, final String expandedInsertSQL) throws LockException {
  SQLException lastFailure = null;
  for (int i = 0; i < RETRY_COUNT; i++) {
    try {
      if (!lockViaUpdate(conn, lockName, expandedSQL)) {
        lockViaInsert(conn, lockName, expandedInsertSQL);
      }
      return;
    } catch (SQLException e) {
      lastFailure = e;
      if ((i + 1) == RETRY_COUNT) {
        getLog().debug("Lock '{}' was not obtained by: {}", lockName, Thread.currentThread().getName());
      } else {
        getLog().debug("Lock '{}' was not obtained by: {} - will try again.", lockName, Thread.currentThread().getName());
      }
      try {
        Thread.sleep(1000L);
      } catch (InterruptedException _) {
        Thread.currentThread().interrupt();
      }
    }
  }
  throw new LockException("Failure obtaining db row lock: " + lastFailure.getMessage(), lastFailure);
}

protected void releaseLock(Connection conn, String lockName, boolean doIt) {
  if (doIt && conn != null) {
    try {
      getLockHandler().releaseLock(conn, lockName);
    } catch (LockException le) {
      getLog().error("Error returning lock: " + le.getMessage(), le);
    }
  }
}

/**
 * Execute the SQL select for update that will lock the proper database row.
 */
@Override
protected void executeSQL(Connection conn, final String lockName, final String expandedSQL, final String expandedInsertSQL) throws LockException {
  SQLException lastFailure = null;
  for (int i = 0; i < RETRY_COUNT; i++) {
    try {
      if (!lockViaUpdate(conn, lockName, expandedSQL)) {
        lockViaInsert(conn, lockName, expandedInsertSQL);
      }
      return;
    } catch (SQLException e) {
      lastFailure = e;
      if ((i + 1) == RETRY_COUNT) {
        getLog().debug("Lock '{}' was not obtained by: {}", lockName, Thread.currentThread().getName());
      } else {
        getLog().debug("Lock '{}' was not obtained by: {} - will try again.", lockName, Thread.currentThread().getName());
      }
      try {
        Thread.sleep(1000L);
      } catch (InterruptedException _) {
        Thread.currentThread().interrupt();
      }
    }
  }
  throw new LockException("Failure obtaining db row lock: " + lastFailure.getMessage(), lastFailure);
}

protected void releaseLock(Connection conn, String lockName, boolean doIt) {
  if (doIt && conn != null) {
    try {
      getLockHandler().releaseLock(conn, lockName);
    } catch (LockException le) {
      getLog().error("Error returning lock: " + le.getMessage(), le);
    }
  }
}

  t.registerSynchronization(new SemaphoreSynchronization(lockName));
} catch (Exception e) {
  throw new LockException("Failed to register semaphore with Transaction.", e);

  t.registerSynchronization(new SemaphoreSynchronization(lockName));
} catch (Exception e) {
  throw new LockException("Failed to register semaphore with Transaction.", e);

    throw new LockException("Failure obtaining db row lock: "
        + sqle.getMessage(), sqle);
  } finally {
throw new LockException("Failure obtaining db row lock, reached maximum number of attempts. Initial exception (if any) attached as root cause.", initCause);

    throw new LockException("Failure obtaining db row lock: "
        + sqle.getMessage(), sqle);
  } finally {
throw new LockException("Failure obtaining db row lock, reached maximum number of attempts. Initial exception (if any) attached as root cause.", initCause);

/**
 * Helper method to get the current <code>{@link javax.transaction.Transaction}</code>
 * from the <code>{@link javax.transaction.TransactionManager}</code> in JNDI.
 * 
 * @return The current <code>{@link javax.transaction.Transaction}</code>, null if
 * not currently in a transaction.
 */
protected Transaction getTransaction() throws LockException{
  InitialContext ic = null; 
  try {
    ic = new InitialContext(); 
    TransactionManager tm = (TransactionManager)ic.lookup(transactionManagerJNDIName);
    
    return tm.getTransaction();
  } catch (SystemException e) {
    throw new LockException("Failed to get Transaction from TransactionManager", e);
  } catch (NamingException e) {
    throw new LockException("Failed to find TransactionManager in JNDI under name: " + transactionManagerJNDIName, e);
  } finally {
    if (ic != null) {
      try {
        ic.close();
      } catch (NamingException ignored) {
      }
    }
  }
}

/**
 * Helper method to get the current <code>{@link javax.transaction.Transaction}</code>
 * from the <code>{@link javax.transaction.TransactionManager}</code> in JNDI.
 * 
 * @return The current <code>{@link javax.transaction.Transaction}</code>, null if
 * not currently in a transaction.
 */
protected Transaction getTransaction() throws LockException{
  InitialContext ic = null; 
  try {
    ic = new InitialContext(); 
    TransactionManager tm = (TransactionManager)ic.lookup(transactionManagerJNDIName);
    
    return tm.getTransaction();
  } catch (SystemException e) {
    throw new LockException("Failed to get Transaction from TransactionManager", e);
  } catch (NamingException e) {
    throw new LockException("Failed to find TransactionManager in JNDI under name: " + transactionManagerJNDIName, e);
  } finally {
    if (ic != null) {
      try {
        ic.close();
      } catch (NamingException ignored) {
      }
    }
  }
}

  t.registerSynchronization(new SemaphoreSynchronization(lockName));
} catch (Exception e) {
  throw new LockException("Failed to register semaphore with Transaction.", e);

  t.registerSynchronization(new SemaphoreSynchronization(lockName));
} catch (Exception e) {
  throw new LockException("Failed to register semaphore with Transaction.", e);

  throw new LockException(
    "Failure obtaining db row lock: " + sqle.getMessage(), sqle);
} finally {

  throw new LockException("Failure obtaining db row lock: "
      + sqle.getMessage(), sqle);
} finally {

  throw new LockException(
    "Failure obtaining db row lock: " + sqle.getMessage(), sqle);
} finally {

  throw new LockException("Failure obtaining db row lock: "
      + sqle.getMessage(), sqle);
} finally {

Javadoc

Exception class for when there is a failure obtaining or releasing a resource lock.

Most used methods

Popular in Java

Running tasks concurrently on multiple threads
requestLocationUpdates (LocationManager)
notifyDataSetChanged (ArrayAdapter)
startActivity (Activity)
PrintWriter (java.io)
Prints formatted representations of objects to a text-output stream. This class implements all of th
Proxy (java.net)
This class represents proxy server settings. A created instance of Proxy stores a type and an addres
Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL statements and results
PriorityQueue (java.util)
An unbounded priority Queue based on a priority heap. The elements of the priority queue are ordered
Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a target, for example
ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the zip file's central di

How to useLockException in org.quartz.impl.jdbcjobstore

Best Java code snippets using org.quartz.impl.jdbcjobstore.LockException (Showing top 20 results out of 315)

How to use
LockException
in
org.quartz.impl.jdbcjobstore