zihluwang
39 lines
969 B
Markdown
39 lines
969 B
Markdown
# Module `guid`
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## Introduction
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Module `guid` serves as a guid creator for other `JDevKit` modules. You can also use this module as a guid creator standards.
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We have already implemented `SnowflakeGuidCreator`, you can also implement a custom guid creations by implementing `com.onixbyte.guid.GuidCreator`.
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## Example usage
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### A UUID creator
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```java
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GuidCreator<UUID> uuidCreator = (GuidCreator<UUID>) UUID::randomUUID;
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```
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### A custom guid creator
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Assume that you need serial guid creator.
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```java
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@Component
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public class CustomGuidCreator implementes GuidCreator<String> {
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public final RedisTemplate<String, Long> serialRedisTemplate;
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@Autowired
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public CustomGuidCreator(RedisTemplate<String, Long> serialRedisTemplate) {
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this.serialRedisTemplate = serialRedisTemplate;
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}
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@Override public String nextId() {
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return "SOME_PREFIX" + serialRedisTemplate.opsForValue().get("some_serial_key");
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}
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}
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```
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