Hook: Open Log File For Evaluation

Requirement

A log file needs to be opened for reading, possibly with a filter.

Method of Adaptation

Add Feature

Level of Support

Parameter Pattern

HotSpot

Log management

Participants

InputStream, inputStream , LogInputStream, logInput , LogEntryFilter, NewFilter , filter

Changes

1. instance inputStream of InputStream.
2. if all entries in log file are needed for evaluation:
1. instance logInput of LogInputStream with parameter inputStream.
3. if only selected items are needed for evaluation:
1. implementation NewFilter of LogEntryFilter.
2. NewFilter.accept implements LogEntryFilter.accept .
3. instance filter of NewFilter.
4. instance logInput of LogInputStream with parameters inputStream, filter.

Comments

• For special cases, special implementations of LogEntryFilter are already provided in the Framework. These are:
  • sale.SaleProcess.LOGENTRYFILTER_PROCESSES_ONLY
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_DATABASKETIMPLACTIONS
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_NO_DATABASKETIMPLACTIONS
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_PUT_ACTIONS
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_EXCHANGE_REMOVE_ACTIONS
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_COMMIT_ACTIONS
  • data.ooimpl.DataBasketImpl.LOGENTRYFILTER_ROLLBACK_ACTIONS