Dekel created LANG-1435:
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Summary: 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
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.defaultIfNull(someNullableValue,
DbUtil::doGet) instead of ObjectUtils.defaultIfNull(someNullableValue,
DbUtil.doGet())
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