Package com.orchestranetworks.addon.mame.service.primarykey.mergefunction

Interface PrimaryKeyFieldMergeFunction

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface PrimaryKeyFieldMergeFunction

Represents a function that builds a primary key field during a merge operation. This function is applied to an automatically created golden record and based on a given context. PrimaryKeyFieldMergeContext

Since:

6.1.3

Method Summary

Modifier and Type	Method	Description
Object[]	apply(PrimaryKeyFieldMergeContext primaryKeyFieldMergeContext)	Applies this function to the given primary key field merge context.

Method Details

apply

Object[] apply(PrimaryKeyFieldMergeContext primaryKeyFieldMergeContext)

Applies this function to the given primary key field merge context.

This method is invoked for each new auto created golden record.

Life cycle:

• The method is invoked after getting the survivor record in the group (RecordSelectionFunction.apply(List)}) and before getting the values of all normal fields (FieldMergeFunction.apply(FieldMergeContext)).
• The values of the primary key field are set in the new golden record after the method TableTrigger.handleNewContext(com.orchestranetworks.schema.trigger.NewTransientOccurrenceContext) call and before all others triggers in the table.

Parameters:

primaryKeyFieldMergeContext - Current context when create new auto created golden record

Returns:

Object[]

• The values of primary key fields. The order must respect the order of the fields returned by PrimaryKeyFieldMergeContext.getTablePrimaryKeyNodes().
• If a value of the object is null, the corresponding value of the primary key field will be ignored.
• If the result returned by applying this function is null or has a different length than the array returned by PrimaryKeyFieldMergeContext.getTablePrimaryKeyNodes(), this result will be ignored.