ColumnTemplate (CDC - Imports/Exports - API 0.12.2 API)

java.lang.Object
- cdc.impex.templates.ColumnTemplate<T>

Type Parameters:

T - The column data type.
```
public final class ColumnTemplate<T>
extends Object
```
Description of a template column.
A column is described by:
- A name
- A Usage.
- A data type.
- An optional description.
  It is used when sample files are generated.
- An optional Checker.
  It can be used to add more checks to data type, for example, to check the length of string, the domain of a number, ...
- The severity of a failed check.
- A string to data type converter.
- A data type to string converter.
Author:

Damien Carbonne

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ColumnTemplate.Builder<T>

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> ColumnTemplate.Builder<T>`	`builder(String name, Class<T> dataType)`
`cdc.validation.checkers.Checker<T>`	`getCheckerOrNull()`
`cdc.issues.IssueSeverity`	`getCheckFailureSeverity()`
`String`	`getComment()`
`Class<T>`	`getDataType()`
`String`	`getDescription()`
`Function<T,String>`	`getExportConverter()`
`Function<String,T>`	`getImportConverter()`
`String`	`getName()`
`Primitive`	`getPrimitive()`
`Usage`	`getUsage()`
`boolean`	`hasChecker()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getName
```
public String getName()
```
Returns:

The column name.

getUsage
```
public Usage getUsage()
```
Returns:

The column usage.

getDataType
```
public Class<T> getDataType()
```
Returns:

The column data type.

getPrimitive
```
public Primitive getPrimitive()
```
Returns:

The Primitive type of this column, or null.

getDescription
```
public String getDescription()
```
Returns:

The column description.

getCheckerOrNull

public cdc.validation.checkers.Checker<T> getCheckerOrNull()

Returns:: The checker or null.

hasChecker
```
public boolean hasChecker()
```

getCheckFailureSeverity
```
public cdc.issues.IssueSeverity getCheckFailureSeverity()
```
Returns:

The severity of a check failure.

getImportConverter
```
public Function<String,T> getImportConverter()
```
Returns:

the converter used to convert a string to data type.

getExportConverter
```
public Function<T,String> getExportConverter()
```
Returns:

the converter used to convert a data type to a string.

getComment
```
public String getComment()
```
Returns:

The comment that should be used to describe this column.

toString
```
public String toString()
```
Overrides:

toString in class Object

builder

public static <T> ColumnTemplate.Builder<T> builder(String name,
                                                    Class<T> dataType)