The role of the parser is to translate JMS text message data and header properties into an appropriate set of transactions and operations to pass into the VAM interface. To do this, the parser always must find certain data:

• Transaction identifier

• Sequence identifier

• Timestamp

• Table name

• Operation type

• Column data specific to a particular table name and operation type

Other data will be used if the configuration requires it:

• Transaction indicator

• Transaction name

• Transaction owner

The parser can obtain this data from JMS header properties, system generated values, static values, or in some parser-specific way. This depends on the nature of the piece of information.

• Parser Types
  
• Source and Target Data Definitions
  
• Required Data
  
• Optional Data