Package com.sun.jdo.api.persistence.model.mapping

Interface MappingFieldElement

All Superinterfaces:

Comparable, MappingElement, MappingElementProperties, MappingMemberElement

All Known Subinterfaces:

MappingRelationshipElement

All Known Implementing Classes:

MappingFieldElementImpl, MappingRelationshipElementImpl

public interface MappingFieldElement
extends MappingMemberElement

Version:

%I%

Author:

raccah

Field Summary

Fields

Modifier and Type	Field	Description
static final int	GROUP_DEFAULT	Constant representing the jdo default fetch group.
static final int	GROUP_INDEPENDENT	Constant representing an independent fetch group.
static final int	GROUP_NONE	Constant representing no fetch group.

Fields inherited from interface com.sun.jdo.api.persistence.model.mapping.MappingElementProperties

PROP_ASSOCIATED_COLUMNS, PROP_COLUMNS, PROP_CONSISTENCY, PROP_DATABASE_ROOT, PROP_FETCH_GROUP, PROP_FIELDS, PROP_IN_CONCURRENCY_CHECK, PROP_KEY_COLUMNS, PROP_MODIFIED, PROP_NAME, PROP_NAVIGABLE, PROP_READ_ONLY, PROP_REFERENCING_KEYS, PROP_TABLE, PROP_TABLES, PROP_VERSION_FIELD

Method Summary

Modifier and Type	Method	Description
void	addColumn(org.netbeans.modules.dbschema.DBMemberElement column)	Adds a column to the list of columns mapped by this mapping field.
ArrayList	getColumns()	Returns the list of column names to which this mapping field is mapped.
int	getFetchGroup()	Get the fetch group of this field element.
boolean	isInConcurrencyCheck()	Determines whether this field element is in a concurrency check or not.
boolean	isReadOnly()	Determines whether this field element is read only or not.
boolean	isVersion()	Determines whether this field element is a version field or not.
void	removeColumn(String columnName)	Removes a column from the list of columns mapped by this mapping field.
void	setFetchGroup(int group)	Set the fetch group of this field element.
void	setInConcurrencyCheck(boolean flag)	Set whether this field element is in a concurrency check or not.
void	setReadOnly(boolean flag)	Set whether this field element is read only or not.
void	setVersion(boolean flag)	Set whether this field element is a version field or not.

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface com.sun.jdo.api.persistence.model.mapping.MappingElement

addPropertyChangeListener, addVetoableChangeListener, getName, removePropertyChangeListener, removeVetoableChangeListener, setName

Methods inherited from interface com.sun.jdo.api.persistence.model.mapping.MappingMemberElement

getDeclaringClass

Field Details

GROUP_DEFAULT

static final int GROUP_DEFAULT

Constant representing the jdo default fetch group. This is what used to be mandatory for SynerJ.

See Also:

• Constant Field Values

GROUP_NONE

static final int GROUP_NONE

Constant representing no fetch group.

See Also:

• Constant Field Values

GROUP_INDEPENDENT

static final int GROUP_INDEPENDENT

Constant representing an independent fetch group. All independent fetch groups must have a value less than or equal to this constant.

See Also:

• Constant Field Values

Method Details

isReadOnly

boolean isReadOnly()

Determines whether this field element is read only or not.

Returns:

true if the field is read only, false otherwise

setReadOnly

void setReadOnly(boolean flag)
          throws ModelException

Set whether this field element is read only or not.

Parameters:

flag - - if true, the field element is marked as read only; otherwise, it is not

Throws:

ModelException - if impossible

isInConcurrencyCheck

boolean isInConcurrencyCheck()

Determines whether this field element is in a concurrency check or not.

Returns:

true if the field is in a concurrency check, false otherwise

setInConcurrencyCheck

void setInConcurrencyCheck(boolean flag)
                    throws ModelException

Set whether this field element is in a concurrency check or not.

Parameters:

flag - - if true, the field element is marked as being in a concurrency check; otherwise, it is not

Throws:

ModelException - if impossible

isVersion

boolean isVersion()

Determines whether this field element is a version field or not.

Returns:

true if the field is a version field, false otherwise

setVersion

void setVersion(boolean flag)
         throws ModelException

Set whether this field element is a version field or not.

Parameters:

flag - - if true, the field element is marked as a version field; otherwise, it is not

Throws:

ModelException - if impossible

getFetchGroup

int getFetchGroup()

Get the fetch group of this field element.

Returns:

the fetch group, one of GROUP_DEFAULT, GROUP_NONE, or anything less than or equal to GROUP_INDEPENDENT

setFetchGroup

void setFetchGroup(int group)
            throws ModelException

Set the fetch group of this field element.

Parameters:

group - - an integer indicating the fetch group, one of: GROUP_DEFAULT, GROUP_NONE, or anything less than or equal to GROUP_INDEPENDENT

Throws:

ModelException - if impossible

getColumns

ArrayList getColumns()

Returns the list of column names to which this mapping field is mapped.

Returns:

the names of the columns mapped by this mapping field

addColumn

void addColumn(org.netbeans.modules.dbschema.DBMemberElement column)
        throws ModelException

Adds a column to the list of columns mapped by this mapping field.

Parameters:

column - column element to be added to the mapping

Throws:

ModelException - if impossible

removeColumn

void removeColumn(String columnName)
           throws ModelException

Removes a column from the list of columns mapped by this mapping field.

Parameters:

columnName - the relative name of the column to be removed from the mapping

Throws:

ModelException - if impossible