this class is used to mark invalid connections so they can be loaded and reported as invalid  
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| deprecated  | constructor (string n_name, string n_desc, string n_url, *hash n_opts, string n_error, hash urlh) | 
|   | DEPRECATED: creates the invalid connection object.  More...
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|   | constructor (string name, string description, string url, hash attributes={}, hash options={}) | 
|   | creates the invalid connection object  More...
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string  | getType () | 
|   | returns "invalid" 
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| deprecated  | constructor (string name, string desc, string url, bool monitor, *hash opts, hash urlh, *string safe_url, *bool enabled) | 
|   | creates the AbstractConnection object  More...
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|   | constructor (string name, string description, string url, hash< auto > attributes={}, hash< auto > options={}) | 
|   | creates the AbstractConnection object  More...
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| object  | get (bool connect=True, *hash< auto > rtopts) | 
|   | returns the underlying connection object  More...
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| hash< ConfigInfo >  | getConfigHash () | 
|   | returns a ConfigInfo hash of static configuration information about the connection  More...
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hash< ConnectionSchemeInfo >  | getConnectionSchemeInfo () | 
|   | Returns a default ConnectionSchemeInfo hash. 
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hash< ConnectionSchemeInfo >  | getConnectionSchemeInfoImpl () | 
|   | Override in subclasses to return a native ConnectionSchemeInfo hash. 
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| AbstractDataProvider  | getDataProvider () | 
|   | returns a data provider object for this connection, if supported  More...
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*hash< auto >  | getDefaultOptions () | 
|   | returns default options 
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| string  | getDescription () | 
|   | Returns the connection description.  More...
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| hash< auto >  | getExtendedInfo (*hash< auto > opts) | 
|   | Returns connection info plus any extended information returned by the connection.  More...
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| hash< ConnectionInfo >  | getInfo (*hash< auto > opts) | 
|   | returns a ConnectionInfo hash of information about the connection  More...
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| hash< ConnectionInfo >  | getInfo (bool with_password=False) | 
|   | returns a ConnectionInfo hash of information about the connection  More...
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| string  | getName () | 
|   | Returns the connection name.  More...
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*hash< auto >  | getOptions () | 
|   | returns static / initialization options 
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| object  | getPollImpl () | 
|   | Returns an unconnected object for a non-blocking poll operation.  More...
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*hash< auto >  | getRealOptions () | 
|   | returns options for saving the connection's configuration information 
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*hash< auto >  | getRuntimeOptions () | 
|   | returns runtime options 
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| string  | getSafeUrl () | 
|   | Returns the connection safe URL (without password info)  More...
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auto  | getTag (string tag) | 
|   | returns the value of the given tag or NOTHING if not present 
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| auto  | getTagEx (string tag) | 
|   | returns the value of the given tag or throws an exception if the tag is not set with a value  More...
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hash< auto >  | getTags () | 
|   | returns all tags associated with the connection 
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abstract string  | getType () | 
|   | returns the string type name for the connection object 
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| string  | getUrl () | 
|   | Returns the connection URL.  More...
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  | handlePingFailed (date delta, hash< ExceptionInfo > ex) | 
|   | Handles a failed ping operation on the connection. 
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  | handlePingFailed (date delta, string err) | 
|   | Handles a failed ping operation on the connection. 
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  | handlePingSuccess (date delta) | 
|   | Handles a successful ping operation on the connection. 
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| bool  | hasDataProvider () | 
|   | returns True if the connection returns a data provider with the getDataProvider() method  More...
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|   | parseTextOptions () | 
|   | this method is called when parsing connection file definitions from text files when loading into the database  More...
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| hash< PingInfo >  | ping (bool throw_exception=False) | 
|   | returns a hash with the results of the ping operation  More...
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| Qore::AbstractPollOperation  | startPollConnect () | 
|   | Called to start the connection polling operation.  More...
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| bool  | supportsPollingApi () | 
|   | returns True if the connection supports the Qore Socket-based polling API  More...
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string  | error = "unknown error" | 
|   | Error message provided by constructor's attributes.error. 
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bool  | children_can_support_apis = False | 
|   | if the data provider or any of its children support requests (APIs) 
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bool  | children_can_support_messages = False | 
|   | if the data provider or any of its children support messages 
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bool  | children_can_support_observers = False | 
|   | if the data provider or any of its children support events 
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bool  | children_can_support_records = False | 
|   | if the data provider or any of its children support records 
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bool  | children_can_support_transactions = False | 
|   | if the data provider or any of its children support transaction management 
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bool  | debug_data = False | 
|   | debug data flag; to be used an an indication for a higher-level implementation 
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string  | desc | 
|   | connection description 
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bool  | enabled = True | 
|   | enabled/disabled indicator flag 
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hash< auto >  | internal_info | 
|   | internal tags (serializable) 
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date  | last_check | 
|   | date/time of last check/ping 
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bool  | locked = False | 
|   | locked/unlocked flag 
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bool  | loopback = False | 
|   | set to True for loopback connections 
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bool  | monitor | 
|   | monitoring flag 
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string  | name | 
|   | connection name 
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*hash< auto >  | opts | 
|   | connection options 
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*hash< auto >  | orig_opts | 
|   | original connection options 
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string  | safe_url | 
|   | "safe" URL (password information removed) 
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string  | status = "not checked" | 
|   | status string; in case of a connection error this string will be the error string 
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hash< auto >  | tags = {} | 
|   | connection tags; user-defined key-value pairs 
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transient hash< auto >  | transient_info | 
|   | internal transient tags (non-serializable) 
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bool  | up = False | 
|   | connection status flag; set by monitoring or explicit pings/connections 
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date  | updated | 
|   | date/time of last update 
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string  | url | 
|   | connection URL (potentially with password info) 
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hash< auto >  | urlh | 
|   | broken down URL hash (as returned by Qore::parse_url()) 
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object  | getImpl (bool connect=True, *hash rtopts) | 
|   | throws an exception because the object is invalid 
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| hash  | parseUrl (string url) | 
|   | Parse the URL to a hash.  More...
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| abstract object  | getImpl (bool connect=True, *hash< auto > rtopts) | 
|   | this method must return the connection object corresponding to the object's configuration  More...
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| string  | getSafeUrl (hash< auto > urlh) | 
|   | creates a "safe" URL string with password information removed  More...
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| hash< UrlInfo >  | parseUrl (string url) | 
|   | Parse the URL to a hash.  More...
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|   | pingImpl () | 
|   | performs the internal ping  More...
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hash< PingInfo >  | pingIntern (hash< PingInfo > rv) | 
|   | performs the ping by executing get(); returns a PingInfo hash 
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  | setChildCapabilities () | 
|   | Override to set child data provider capabilities once per child class. 
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| hash< auto >  | validateOptions (hash< auto > options) | 
|   | performs options validation in the constructor  More...
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this class is used to mark invalid connections so they can be loaded and reported as invalid