org.xerial.db.datatype
Interface DataType

All Superinterfaces:

Comparable<DataType>

All Known Implementing Classes:

BooleanType, DataTypeBase, DoubleType, IntegerType, LongType, PasswordType, StringListType, StringType, TextType

public interface DataType
extends Comparable<DataType>

DataType interface is used to represtent various data types, e.g., integer, DataTime, Color, etc. DataTypes are sorted in the order of parameter name

Author:

leo

Method Summary

String	getName() Gets the parameter name (column name in a relation) of the type
String	getTypeName() Gets the type name of this data type, e.g., integer, boolean, etc.
boolean	isNotNull() allowed to be null?
boolean	isPrimaryKey() is primary key?
void	setNotNull(boolean isNotNull)
void	setPrimaryKey(boolean isPrimatyKey)

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

getName

String getName()

Gets the parameter name (column name in a relation) of the type

Returns:

the parameter name

getTypeName

String getTypeName()

Gets the type name of this data type, e.g., integer, boolean, etc.

Returns:

the type name

isPrimaryKey

boolean isPrimaryKey()

is primary key?

Returns:

true if this data type is used as a primary key, otherwise false.

isNotNull

boolean isNotNull()

allowed to be null?

Returns:

true if this data type value cannot be null, otherwise false.

setPrimaryKey

void setPrimaryKey(boolean isPrimatyKey)

setNotNull

void setNotNull(boolean isNotNull)