Author |
Boris Capitanu |
Creation date |
06/06/2011 |
Firing policy |
any |
Package |
org.seasr.meandre.components.tools.db |
DESCRIPTION
This component retrieves persisted data from a database
INPUTS
Name |
Description |
Example |
|---|---|---|
password |
The password TYPE: java.lang.String TYPE: org.seasr.datatypes.BasicDataTypes.Strings TYPE: byte[] TYPE: org.seasr.datatypes.BasicDataTypes.Bytes TYPE: java.lang.Object |
|
username |
The user name to authenticate to the DB server TYPE: java.lang.String TYPE: org.seasr.datatypes.BasicDataTypes.Strings TYPE: byte[] TYPE: org.seasr.datatypes.BasicDataTypes.Bytes TYPE: java.lang.Object |
|
id |
Identifier for the persisted data TYPE: org.seasr.datatypes.BasicDataTypes.Strings |
|
OUTPUTS
Name |
Description |
Example |
|---|---|---|
data |
The persisted data |
|
error |
This port is used to output any unhandled errors encountered during the execution of this component |
|
PROPERTIES
Name |
Description |
Default value |
|---|---|---|
_debug_level |
Controls the verbosity of debug messages printed by the component during execution. Possible values are: off, severe, warning, info, config, fine, finer, finest, all Append ',mirror' to any of the values above to mirror that output to the server logs. |
info |
db_driver |
jdbc driver to be loaded, jar must be in classpath |
com.mysql.jdbc.Driver |
db_table |
The table name where the persisted data is stored |
|
_stream_id |
Defines the stream id used to identify a particular stream of data |
|
db_url |
The url of the database connection. (example: jdbc:mysql://localhost/myDB) |
jdbc:mysql:// |
_ignore_errors |
Set to 'true' to ignore all unhandled exceptions and prevent the flow from being terminated. Setting this property to 'false' will result in the flow being terminated in the event an unhandled exception is thrown during the execution of this component |
false |
Add Comment