Atomic procedures handle the concurrency, it’s add a lock to the resource.
If two users access to the same resource at the same time, with the parameter times
(default value 5) we can determine how many time retry to modify the resource, until the lock is release.
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adds the number to the value of the property |
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subtracts the number to the value of the property |
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concatenate the string to the property |
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inserts the object in the chosen position of the array |
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remove from the array the element to the position selected |
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update the property with the result of the expression |