10.6.12. Hot Rod ContainsKey Operation
A Hot Rod
ContainsKey operation uses the following request format:
Table 10.28. ContainsKey Operation Request Format
| Field | Data Type | Details |
|---|---|---|
| Header | - | - |
| Key Length | vInt | Contains the length of the key. The vInt data type is used because of its size (up to 6 bytes), which is larger than the size of Integer.MAX_VALUE. However, Java disallows single array sizes to exceed the size of Integer.MAX_VALUE. As a result, this vInt is also limited to the maximum size of Integer.MAX_VALUE. |
| Key | Byte array | Contains a key, the corresponding value of which is requested. |
The response header for this operation contains one of the following response statuses:
Table 10.29. ContainsKey Operation Response Format
| Response Status | Details |
|---|---|
| 0x00 | Successful operation. |
| 0x02 | The key does not exist. |
The response for this operation is empty.
