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https://issues.apache.org/jira/browse/LANG-1435?focusedWorklogId=206530&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-206530
]
ASF GitHub Bot logged work on LANG-1435:
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Author: ASF GitHub Bot
Created on: 01/Mar/19 17:10
Start Date: 01/Mar/19 17:10
Worklog Time Spent: 10m
Work Description: PascalSchumacher commented on issue #408: LANG-1435:
Implemented defaultIfNull method that uses a supplier for default value
URL: https://github.com/apache/commons-lang/pull/408#issuecomment-468738322
Thanks for the pull request!
Java 11 offers `Objects#requireNonNullElseGet` (see
https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Objects.html#requireNonNullElseGet(T,java.util.function.Supplier)
for details), so I don't think we should add this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 206530)
Time Spent: 0.5h (was: 20m)
Remaining Estimate: 0h (was: 10m)
> ObjectUtils.defaultIfNull for slow default values
> -------------------------------------------------
>
> Key: LANG-1435
> URL: https://issues.apache.org/jira/browse/LANG-1435
> Project: Commons Lang
> Issue Type: New Feature
> Reporter: Dekel
> Priority: Minor
> Original Estimate: 0.5h
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Currently, if the default value in defaultIfNull is computationally slow (for
> example, it requires a database call, or complex calculations), it's not
> worth using the util method. This feature is to implement a method that would
> only perform this computationally slow action if the object value is actually
> null. This can be done using a Supplier.
> In short, you'd call ObjectUtils.getDefaultIfNull(someNullableValue,
> DbUtil::doGet) instead of ObjectUtils.defaultIfNull(someNullableValue,
> DbUtil.doGet())
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