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Adds SetDefault methods to NetworkTables (#54)

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There was no way to atomically check for a key in the table,
and then setting if it if non existant. Back before persistent
this was not a problem, however now it is, as its possible for
values to be added before team's robot programs start. This makes
the old method of calling Put*** methods in RobotInit invalid.
This adds SetDefault methods, which do this atomically.
This commit is contained in:
Thad House
2016-07-13 00:31:03 -07:00
committed by Peter Johnson
parent 6615a34e99
commit 58092c5190
15 changed files with 785 additions and 1 deletions
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src/Storage.h
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@@ -67,6 +67,7 @@ class Storage {
// User functions. These are the actual implementations of the corresponding
// user API functions in ntcore_cpp.
std::shared_ptr<Value> GetEntryValue(StringRef name) const;
bool SetDefaultEntryValue(StringRef name, std::shared_ptr<Value> value);
bool SetEntryValue(StringRef name, std::shared_ptr<Value> value);
void SetEntryTypeValue(StringRef name, std::shared_ptr<Value> value);
void SetEntryFlags(StringRef name, unsigned int flags);