Table 1.
Language primitives of the production rule DSL.
| Primitives | Type | Description |
|---|---|---|
| && | Logical operator | Logical AND |
| || | Logical operator | Logical OR |
| ! | Logical operator | Logical NOT |
| > | Comparison operator | Greater than |
| >= | Comparison operator | Greater than or equal |
| < | Comparison operator | Less than |
| <= | Comparison operator | Less than or equal |
| == | Comparison operator | Equal |
| != | Comparison operator | Not equal |
| ( | Operator precedence | Left parenthesis |
| ) | Operator precedence | Right parenthesis |
| [ | Variable identifier | Text between “[” and “]” is interpreted as a variable name |
| ] | Variable identifier | |
| Boolean | Data type | For example, true/false |
| Numeric | Data type | For example, 1.0 |
| Date | Data type | For example, “2016-12-25” |
| String | Data type | For example, “Stage 3 ROP in zone I” |
| % | Wild card | Wild card for string comparison |