102 Using Advanced Unit of Work API

This chapter explains the advanced unit of work API calls and techniques commonly used later in the development cycle, including the following:

• Registering and Unregistering Objects

• Declaring Read-Only Classes

• Writing Changes Before Commit Time

• Using Conforming Queries and Descriptors

• Merging Changes in Working Copy Clones

• Resuming a Unit of Work After Commit

• Reverting a Unit of Work

• Using a Nested or Parallel Unit of Work

• Using a Unit of Work With Custom SQL

• Controlling the Order of Delete Operations

• Using Optimistic Read Locking with forceUpdateToVersionField

• Implementing User and Date Auditing with the Unit of Work

• Integrating the Unit of Work With an External Transaction Service

• Integrating the Unit of Work with CMP

• Database Transaction Isolation Levels

• Troubleshooting a Unit of Work

For more information about the available methods for the UnitOfWork, see Oracle TopLink API Reference.