How to use

DBSemaphore

in

org.quartz.impl.jdbcjobstore

        + Thread.currentThread().getName());
if (!isLockOwner(lockName)) {
  executeSQL(conn, lockName, expandedSQL, expandedInsertSQL);
          + Thread.currentThread().getName());
  getThreadLocks().add(lockName);

/**
 * Release the lock on the identified resource if it is held by the calling
 * thread.
 */
public void releaseLock(String lockName) {
  if (isLockOwner(lockName)) {
    if(getLog().isDebugEnabled()) {
      getLog().debug(
        "Lock '" + lockName + "' returned by: "
            + Thread.currentThread().getName());
    }
    getThreadLocks().remove(lockName);
    //getThreadLocksObtainer().remove(lockName);
  } else if (getLog().isDebugEnabled()) {
    getLog().warn(
      "Lock '" + lockName + "' attempt to return by: "
          + Thread.currentThread().getName()
          + " -- but not owner!",
      new Exception("stack-trace of wrongful returner"));
  }
}

private void setExpandedSQL() {
  if (getTablePrefix() != null && getSchedName() != null && sql != null && insertSql != null) {
    expandedSQL = Util.rtp(this.sql, getTablePrefix(), getSchedulerNameLiteral());
    expandedInsertSQL = Util.rtp(this.insertSql, getTablePrefix(), getSchedulerNameLiteral());
  }
}

public DBSemaphore(String tablePrefix, String schedName, String defaultSQL, String defaultInsertSQL) {
  this.tablePrefix = tablePrefix;
  this.schedName = schedName;
  setSQL(defaultSQL);
  setInsertSQL(defaultInsertSQL);
}

Log log = getLog();
        + Thread.currentThread().getName());
if (!isLockOwner(conn, lockName)) {
  executeSQL(conn, lockName, expandedSQL);
          + Thread.currentThread().getName());
  getThreadLocks().add(lockName);

  public void setTablePrefix(String tablePrefix) {
    this.tablePrefix = tablePrefix;
    
    setExpandedSQL();
  }
}

/**
 * Determine whether the calling thread owns a lock on the identified
 * resource.
 */
public boolean isLockOwner(String lockName) {
  return getThreadLocks().contains(lockName);
}

private void setExpandedSQL() {
  if (getTablePrefix() != null) {
    expandedSQL = Util.rtp(this.sql, getTablePrefix());
  }
}

public DBSemaphore(String tablePrefix, String sql, String defaultSQL) {
  this.sql = defaultSQL;
  this.tablePrefix = tablePrefix;
  setSQL(sql);
}

Log log = getLog();
        + Thread.currentThread().getName());
if (!isLockOwner(conn, lockName)) {
  executeSQL(conn, lockName, expandedSQL);
          + Thread.currentThread().getName());
  getThreadLocks().add(lockName);

  public void setTablePrefix(String tablePrefix) {
    this.tablePrefix = tablePrefix;
    
    setExpandedSQL();
  }
}

public DBSemaphore(String tablePrefix, String schedName, String defaultSQL, String defaultInsertSQL) {
  this.tablePrefix = tablePrefix;
  this.schedName = schedName;
  setSQL(defaultSQL);
  setInsertSQL(defaultInsertSQL);
}

/**
 * Determine whether the calling thread owns a lock on the identified
 * resource.
 */
public boolean isLockOwner(String lockName) {
  return getThreadLocks().contains(lockName);
}

private void setExpandedSQL() {
  if (getTablePrefix() != null) {
    expandedSQL = Util.rtp(this.sql, getTablePrefix());
  }
}

public DBSemaphore(String tablePrefix, String sql, String defaultSQL) {
  this.sql = defaultSQL;
  this.tablePrefix = tablePrefix;
  setSQL(sql);
}

/**
 * Release the lock on the identified resource if it is held by the calling
 * thread.
 */
public void releaseLock(String lockName) {
  if (isLockOwner(lockName)) {
    if(getLog().isDebugEnabled()) {
      getLog().debug(
        "Lock '" + lockName + "' returned by: "
            + Thread.currentThread().getName());
    }
    getThreadLocks().remove(lockName);
    //getThreadLocksObtainer().remove(lockName);
  } else if (getLog().isDebugEnabled()) {
    getLog().warn(
      "Lock '" + lockName + "' attempt to return by: "
          + Thread.currentThread().getName()
          + " -- but not owner!",
      new Exception("stack-trace of wrongful returner"));
  }
}

        + Thread.currentThread().getName());
if (!isLockOwner(lockName)) {
  executeSQL(conn, lockName, expandedSQL, expandedInsertSQL);
          + Thread.currentThread().getName());
  getThreadLocks().add(lockName);

public void setSchedName(String schedName) {
  this.schedName = schedName;
  
  setExpandedSQL();
}

private void setExpandedSQL() {
  if (getTablePrefix() != null && getSchedName() != null && sql != null && insertSql != null) {
    expandedSQL = Util.rtp(this.sql, getTablePrefix(), getSchedulerNameLiteral());
    expandedInsertSQL = Util.rtp(this.insertSql, getTablePrefix(), getSchedulerNameLiteral());
  }
}

/**
 * Determine whether the calling thread owns a lock on the identified
 * resource.
 */
public boolean isLockOwner(Connection conn, String lockName) {
  lockName = lockName.intern();
  return getThreadLocks().contains(lockName);
}