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Updated README.md

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Fabio Lima 2020-02-24 04:53:01 -03:00
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README.md
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# ulid-creator # ULID Creator
A Java library for generating and handling ULIDs - _Universally Unique Lexicographically Sortable Identifiers_. A Java library for generating and handling ULIDs - _Universally Unique Lexicographically Sortable Identifiers_.
@ -97,7 +97,7 @@ Examples of ULIDs:
### GUID ### GUID
The GUIDs in this library are based on the ULID specification <sup>[9]</sup>. The first 48 bits represent the count of milliseconds since Unix Epoch, 1 January 1970. The remaining 60 bits are generated by a secure random number generator. The GUIDs in this library are based on the [ULID specification](https://github.com/ulid/spec). The first 48 bits represent the count of milliseconds since Unix Epoch, 1 January 1970. The remaining 60 bits are generated by a secure random number generator.
Every time the timestamp changes the random part is reset to a new random value. If the current timestamp is equal to the previous one, the random bits are incremented by 1. Every time the timestamp changes the random part is reset to a new random value. If the current timestamp is equal to the previous one, the random bits are incremented by 1.

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src/main/java/com/github/f4b6a3/ulid/guid/GuidCreator.java
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@ -193,7 +193,8 @@ public class GuidCreator {
/** /**
* Increment the random part of the GUID. * Increment the random part of the GUID.
* *
* An exception is thrown when more than 2^80 increment operations are made. * An exception is thrown when more than 2^80 increment operations are made
* in the same millisecond.
* *
* @throws UlidCreatorException * @throws UlidCreatorException
* if an overrun happens. * if an overrun happens.