org.datanucleus.store.rdbms.mapping

Interface MappingConsumer

public interface MappingConsumer

Consumer of mappings.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAPPING_TYPE_DATASTORE_ID mapping a field representing the id of a PC
static int	MAPPING_TYPE_DISCRIMINATOR mapping a field representing the discriminator of a PC
static int	MAPPING_TYPE_EXTERNAL_FK mapping a datastore column that is a FK for an external collection.
static int	MAPPING_TYPE_EXTERNAL_FK_DISCRIM mapping a datastore column that is the discriminator for a FK for an external collection.
static int	MAPPING_TYPE_EXTERNAL_INDEX mapping a datastore column that is an index for an external list.
static int	MAPPING_TYPE_MULTITENANCY mapping a datastore column representing a multitenancy discriminator.
static int	MAPPING_TYPE_VERSION mapping a field representing the version of a PC

Method Summary

Modifier and Type	Method and Description
void	consumeMapping(JavaTypeMapping m, org.datanucleus.metadata.AbstractMemberMetaData fmd) Consumes a mapping associated to a field
void	consumeMapping(JavaTypeMapping m, int mappingType) Consumes a mapping not associated to a field
void	consumeUnmappedColumn(Column col) Consume a column without mapping.
void	preConsumeMapping(int highestFieldNumber) This method is called before consuming the mappings

Field Detail

MAPPING_TYPE_VERSION

static final int MAPPING_TYPE_VERSION

mapping a field representing the version of a PC

See Also:

Constant Field Values

MAPPING_TYPE_DATASTORE_ID

static final int MAPPING_TYPE_DATASTORE_ID

mapping a field representing the id of a PC

See Also:

Constant Field Values

MAPPING_TYPE_DISCRIMINATOR

static final int MAPPING_TYPE_DISCRIMINATOR

mapping a field representing the discriminator of a PC

See Also:

Constant Field Values

MAPPING_TYPE_EXTERNAL_INDEX

static final int MAPPING_TYPE_EXTERNAL_INDEX

mapping a datastore column that is an index for an external list.

See Also:

Constant Field Values

MAPPING_TYPE_EXTERNAL_FK

static final int MAPPING_TYPE_EXTERNAL_FK

mapping a datastore column that is a FK for an external collection.

See Also:

Constant Field Values

MAPPING_TYPE_EXTERNAL_FK_DISCRIM

static final int MAPPING_TYPE_EXTERNAL_FK_DISCRIM

mapping a datastore column that is the discriminator for a FK for an external collection.

See Also:

Constant Field Values

MAPPING_TYPE_MULTITENANCY

static final int MAPPING_TYPE_MULTITENANCY

mapping a datastore column representing a multitenancy discriminator.

See Also:

Constant Field Values

Method Detail

preConsumeMapping

void preConsumeMapping(int highestFieldNumber)

This method is called before consuming the mappings

Parameters:

highestFieldNumber - the highest number for the fields that are going to be provided in the consumer

consumeMapping

void consumeMapping(JavaTypeMapping m,
                    org.datanucleus.metadata.AbstractMemberMetaData fmd)

Consumes a mapping associated to a field

Parameters:

m - The Java type mapping

fmd - Field MetaData for the field

consumeMapping

void consumeMapping(JavaTypeMapping m,
                    int mappingType)

Consumes a mapping not associated to a field

Parameters:

m - Java type mapping

mappingType - the Mapping type

consumeUnmappedColumn

void consumeUnmappedColumn(Column col)

Consume a column without mapping.

Parameters:

col - The column