Package org.gcube.informationsystem.base.reference

Interface AttributeDefinition

All Superinterfaces:

Attribute

All Known Subinterfaces:

PropertyDefinition

All Known Implementing Classes:

PropertyDefinitionImpl

public interface AttributeDefinition
extends Attribute

Extends the Attribute interface to include properties that define its requirement constraints.

This interface adds flags to specify whether an attribute is mandatory and whether its value can be null.

Author:

Luca Frosini (ISTI - CNR)

See Also:

• Attribute

Field Summary

Fields

Modifier and Type	Field	Description
static final String	MANDATORY_PROPERTY	The property name for the 'mandatory' flag.
static final String	NOT_NULL_PROPERTY	The property name for the 'notnull' flag.

Fields inherited from interface org.gcube.informationsystem.base.reference.Attribute

DEFAULT_VALUE_PROPERTY, DESCRIPTION_PROPERTY, MAX_PROPERTY, MIN_PROPERTY, NAME, NAME_PROPERTY, PROPERTY_TYPE_PROPERTY, REGEX_PROPERTY

Method Summary

Modifier and Type	Method	Description
boolean	isMandatory()	Checks if the attribute is mandatory.
boolean	isNotnull()	Checks if the attribute's value cannot be null.
void	setMandatory(boolean mandatory)	Sets whether the attribute is mandatory.
void	setNotnull(boolean notnull)	Sets whether the attribute's value can be null.

Methods inherited from interface org.gcube.informationsystem.base.reference.Attribute

getDefaultValue, getDescription, getMax, getMin, getName, getPropertyType, getPropertyTypeName, getRegexp, setDefaultValue, setDescription, setMax, setMin, setName, setPropertyType, setRegexp

Field Details

MANDATORY_PROPERTY

static final String MANDATORY_PROPERTY

The property name for the 'mandatory' flag.

See Also:

• Constant Field Values

NOT_NULL_PROPERTY

static final String NOT_NULL_PROPERTY

The property name for the 'notnull' flag.

See Also:

• Constant Field Values

Method Details

isMandatory

boolean isMandatory()

Checks if the attribute is mandatory.

Returns:

true if the attribute is mandatory, false otherwise.

setMandatory

void setMandatory(boolean mandatory)

Sets whether the attribute is mandatory.

Parameters:

mandatory - true to make the attribute mandatory, false otherwise.

isNotnull

boolean isNotnull()

Checks if the attribute's value cannot be null.

Returns:

true if the attribute value must not be null, false otherwise.

setNotnull

void setNotnull(boolean notnull)

Sets whether the attribute's value can be null.

Parameters:

notnull - true to enforce a non-null value, false otherwise.