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authorJan-Simon Moeller <jsmoeller@linuxfoundation.org>2018-10-11 12:36:31 +0000
committerGerrit Code Review <gerrit@automotivelinux.org>2018-10-11 12:36:31 +0000
commit9b4d200e551594cb05ae747ecd8f075a545766bc (patch)
tree2e31fb6d92a1d9919af24f5ee604afa2ceca436a /README.md
parent78516d149ad32014fbff8fd007c7cea99966c0df (diff)
parent18ca4903ffb44c858a2dd4d05c9ecf947499ac63 (diff)
Merge "Add tests for data persistence binding" into flounder
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# Database Binding
+
This binding provide a database API with key/value semantics.
The backend is currently a Berkeley DB.
## Verbs
+
* **insert**:
- This verb insert a key/value pair in the database.
- If the key already exist, the verb fails.
-
+
+ This verb insert a key/value pair in the database.
+ If the key already exist, the verb fails.
+
* **update**:
- This verb update an existing record.
- If the key doesn't exist, the verb fails.
-
+
+ This verb update an existing record.
+ If the key doesn't exist, the verb fails.
+
* **delete**:
- This verb remove an existing key/value pair from the database.
- If no matching record is found, the verb fails.
+
+ This verb remove an existing key/value pair from the database.
+ If no matching record is found, the verb fails.
* **read**:
- This verb get the value associated with the specified key.
- If no matching record is found, the verb fails.
+
+ This verb get the value associated with the specified key.
+ If no matching record is found, the verb fails.
## Arguments
+
* The **read** and **delete** verbs need only a **key** to work:
-```
+
+```code
{
- "key": "mykey"
+ "key": "mykey"
}
```
* The **insert** and **update** verbs need a **key** and a **value** to work:
-```
+
+```code
{
- "key": "mykey",
- "value": "my value"
+ "key": "mykey",
+ "value": "my value"
}
```
+
The **value** can be any valid json.
+
+## Dependencies
+
+You must install BerkeleyDB and GDBM \ No newline at end of file