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jvx:reference [2020/06/15 08:48] cduncan [RowDefinition] |
jvx:reference [2020/06/15 08:49] cduncan [DataRow] |
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| Most of the column definition is additional information about the column, like if it is nullable, the label of the column, default values, allowed values, and similar information. | Most of the column definition is additional information about the column, like if it is nullable, the label of the column, default values, allowed values, and similar information. | ||
| - | ==== DataType ==== | + | ==== Data Type ==== |
| - | Of course, we must define what type the value in the column has. This is done by setting a data type on the column definition. The data type defines what kind of values the column holds, like if it is a String, a Number, or something else. We provide the most often used data types out of the box: | + | Of course, we must define what type the value in the column has. This is done by setting a data type on the column definition. The data type defines what kind of values the column holds, like if it is a string, a number, or something else. We provide the most often used data types out of the box: |
| * BigDecimal | * BigDecimal | ||
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| It is possible to add new data types by simply implementing ''%%IDataType%%''. | It is possible to add new data types by simply implementing ''%%IDataType%%''. | ||
| - | ===== DataRow ===== | + | ===== Data Row ===== |
| The data row represents a single row of data; it holds/references its own row definition and, of course, provides access to the values of the row. Accessing the data row can be done either by column index or column name, and the methods either return or accept objects. Let’s look at a simple usage example: | The data row represents a single row of data; it holds/references its own row definition and, of course, provides access to the values of the row. Accessing the data row can be done either by column index or column name, and the methods either return or accept objects. Let’s look at a simple usage example: | ||