SingleInstanceDetail (so-docs 24.8.7 API)

All Superinterfaces:: Detail

public interface SingleInstanceDetail extends Detail

Interface to denote that the Detail interface allows only a single instance.

Author:: Syam

Method Summary

Modifier and Type

Method

Description

default Object

getUniqueValue()

By overriding this method, a fixed value is returned as the unique value so that only one instance can exist for a specific master instance.

Methods inherited from interface com.storedobject.core.Detail
copyValuesFrom, getId, getUniqueId, isDetailOf

Method Details
- getUniqueValue
  
  default Object getUniqueValue()
  
  By overriding this method, a fixed value is returned as the unique value so that only one instance can exist for a specific master instance.
  Note: This is the mechanism used for ensuring single instance. If this method is overridden, single instance is not guaranteed.
  
  Specified by:
  
  getUniqueValue in interface Detail
  
  Returns:
  
  Returns an empty string as the fixed value to enforce uniqueness.