Method and apparatus for passing null references between software components through legacy framework
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 10, 2004
Grant Date -
N/A
app pub date -
Oct 19, 2000
filing date -
Oct 19, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Intermediary frameworks allow software components to agree on sentinel values. When a software component attempts to pass a null value to a software component that does not support null values, an intermediate framework replaces the null value with a corresponding sentinel value. When a software component that is not null-capable attempts to pass a sentinel value to a null-capable software component, the intermediate framework replaces the sentinel with a null value. The sentinel values may be randomly generated or assigned by a user. A sentinel value is a valid data value that is never used during program execution. A user may designate the sentinel values based on the data models of the software components.
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