java.lang.Object
- mil.nga.geopackage.extension.schema.columns.DataColumns

```
public class DataColumns
extends Object
```
Stores minimal application schema identifying, descriptive and MIME type information about columns in user vector feature and tile matrix data tables that supplements the data available from the SQLite sqlite_master table and pragma table_info(table_name) SQL function. The gpkg_data_columns data CAN be used to provide more specific column data types and value ranges and application specific structural and semantic information to enable more informative user menu displays and more effective user decisions on the suitability of GeoPackage contents for specific purposes.

Author:

osbornb

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`COLUMN_COLUMN_NAME`	columnName field name
`static String`	`COLUMN_CONSTRAINT_NAME`	constraintName field name
`static String`	`COLUMN_DESCRIPTION`	description field name
`static String`	`COLUMN_ID_1`	id 1 field name, tableName
`static String`	`COLUMN_ID_2`	id 2 field name, columnName
`static String`	`COLUMN_MIME_TYPE`	mimeType field name
`static String`	`COLUMN_NAME`	name field name
`static String`	`COLUMN_TABLE_NAME`	tableName field name
`static String`	`COLUMN_TITLE`	title field name
`static String`	`TABLE_NAME`	Table name

Constructor Summary

Constructors
Constructor Description

DataColumns()
Default Constructor

DataColumns(DataColumns dataColumns)
Copy Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getColumnName()`
`String`	`getConstraintName()`
`List<DataColumnConstraints>`	`getConstraints(DataColumnConstraintsDao dao)`
`Contents`	`getContents()`
`String`	`getDescription()`
`TableColumnKey`	`getId()`	Get the id
`String`	`getMimeType()`
`String`	`getName()`
`String`	`getTableName()`
`String`	`getTitle()`
`void`	`setColumnName(String columnName)`
`void`	`setConstraint(DataColumnConstraints constraint)`
`void`	`setConstraintName(String constraintName)`
`void`	`setContents(Contents contents)`
`void`	`setDescription(String description)`
`void`	`setId(TableColumnKey id)`	Set the id
`void`	`setMimeType(String mimeType)`
`void`	`setName(String name)`
`void`	`setTitle(String title)`

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

Field Detail
- TABLE_NAME
```
public static final String TABLE_NAME
```
  Table name
  
  See Also:
  
  Constant Field Values
- COLUMN_TABLE_NAME
```
public static final String COLUMN_TABLE_NAME
```
  tableName field name
  
  See Also:
  
  Constant Field Values
- COLUMN_COLUMN_NAME
```
public static final String COLUMN_COLUMN_NAME
```
  columnName field name
  
  See Also:
  
  Constant Field Values
- COLUMN_ID_1
```
public static final String COLUMN_ID_1
```
  id 1 field name, tableName
  
  See Also:
  
  Constant Field Values
- COLUMN_ID_2
```
public static final String COLUMN_ID_2
```
  id 2 field name, columnName
  
  See Also:
  
  Constant Field Values
- COLUMN_NAME
```
public static final String COLUMN_NAME
```
  name field name
  
  See Also:
  
  Constant Field Values
- COLUMN_TITLE
```
public static final String COLUMN_TITLE
```
  title field name
  
  See Also:
  
  Constant Field Values
- COLUMN_DESCRIPTION
```
public static final String COLUMN_DESCRIPTION
```
  description field name
  
  See Also:
  
  Constant Field Values
- COLUMN_MIME_TYPE
```
public static final String COLUMN_MIME_TYPE
```
  mimeType field name
  
  See Also:
  
  Constant Field Values
- COLUMN_CONSTRAINT_NAME
```
public static final String COLUMN_CONSTRAINT_NAME
```
  constraintName field name
  
  See Also:
  
  Constant Field Values

Constructor Detail
- DataColumns
```
public DataColumns()
```
  Default Constructor
- DataColumns
```
public DataColumns(DataColumns dataColumns)
```
  Copy Constructor
  
  Parameters:
  
  dataColumns - data columns to copy
  
  Since:
  
  1.3.0

Method Detail

getId
```
public TableColumnKey getId()
```
Get the id

Returns:

table column key

setId

public void setId(TableColumnKey id)

Set the id

Parameters:: id - id

getContents
```
public Contents getContents()
```

setContents

public void setContents(Contents contents)

getTableName
```
public String getTableName()
```

getColumnName
```
public String getColumnName()
```

setColumnName

public void setColumnName(String columnName)

getName
```
public String getName()
```

setName
```
public void setName(String name)
```

getTitle
```
public String getTitle()
```

setTitle

public void setTitle(String title)

getDescription
```
public String getDescription()
```

setDescription

public void setDescription(String description)

getMimeType
```
public String getMimeType()
```

setMimeType

public void setMimeType(String mimeType)

getConstraintName
```
public String getConstraintName()
```

setConstraint

public void setConstraint(DataColumnConstraints constraint)

setConstraintName

public void setConstraintName(String constraintName)

getConstraints

public List<DataColumnConstraints> getConstraints(DataColumnConstraintsDao dao)
                                           throws SQLException

Throws:: SQLException

Constructor	Description
`DataColumns()`	Default Constructor
`DataColumns(DataColumns dataColumns)`	Copy Constructor

Class DataColumns

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

TABLE_NAME

COLUMN_TABLE_NAME

COLUMN_COLUMN_NAME

COLUMN_ID_1

COLUMN_ID_2

COLUMN_NAME

COLUMN_TITLE

COLUMN_DESCRIPTION

COLUMN_MIME_TYPE

COLUMN_CONSTRAINT_NAME

Constructor Detail

DataColumns

DataColumns

Method Detail

getId

setId

getContents

setContents

getTableName

getColumnName

setColumnName

getName

setName

getTitle

setTitle

getDescription

setDescription

getMimeType

setMimeType

getConstraintName

setConstraint

setConstraintName

getConstraints