org.apache.openjpa.jdbc.meta
Class NoneMappingDefaults

java.lang.Object
  org.apache.openjpa.jdbc.meta.NoneMappingDefaults

All Implemented Interfaces:

MappingDefaults

public class NoneMappingDefaults
extends Object
implements MappingDefaults

No-op mapping defaults.

Author:

Abe White

Constructor Summary

NoneMappingDefaults()

Method Summary

boolean	defaultMissingInfo() Whether to fill in missing mapping information at runtime with the default values supplied by this plugin.
Object	getDiscriminatorValue(Discriminator disc, boolean adapt) Return the default discriminator value for the given instance.
ForeignKey	getForeignKey(ValueMapping vm, String name, Table local, Table foreign, boolean inverse) Return a default foreign key for the join from this value to its related type, or null for a logical foreign key only.
Index	getIndex(Discriminator disc, Table table, Column[] cols) Return a default index for the discriminator, or null if the discriminator columns should not be indexed by default.
Index	getIndex(ValueMapping vm, String name, Table table, Column[] cols) Return a default index for the value, or null if the value columns should not be indexed by default.
Index	getIndex(Version vers, Table table, Column[] cols) Return a default index for the version, or null if the version columns should not be indexed by default.
static NoneMappingDefaults	getInstance()
ForeignKey	getJoinForeignKey(ClassMapping cls, Table local, Table foreign) Return a default foreign key for the join from this class' table to its superclass' table, or null for a logical foreign key only.
ForeignKey	getJoinForeignKey(FieldMapping fm, Table local, Table foreign) Return a default foreign key for the join from this field's table to its defining class' table, or null for a logical foreign key only.
Index	getJoinIndex(FieldMapping fm, Table table, Column[] cols) Return a default index for the join, or null if the join columns should not be indexed by default.
Unique	getJoinUnique(FieldMapping fm, Table table, Column[] cols) Return a default constraint for the join, or null if the join columns should not be constrained by default.
String	getPrimaryKeyName(ClassMapping cm, Table table) Return the name of the primary key for the table of the given class, or null for database default.
Object	getStrategy(ClassMapping cls, boolean adapt) Default mapping strategy when there is no explicit strategy and no hierarchy strategy given.
Object	getStrategy(Discriminator disc, boolean adapt) Default discriminator mapping strategy when there is no explicit strategy.
Object	getStrategy(ValueMapping vm, Class type, boolean adapt) Custom handler or strategy for the given field, or null if none has been registered.
Object	getStrategy(Version vers, boolean adapt) Default version mapping strategy when there is no explicit strategy.
String	getTableName(ClassMapping cls, Schema schema) Return the default table name for the given class.
String	getTableName(FieldMapping fm, Schema schema) Return the default secondary table name for the given field.
Unique	getUnique(ValueMapping vm, String name, Table table, Column[] cols) Return a default constraint for the value, or null if the value columns should not be constrained by default.
void	installPrimaryKey(FieldMapping fm, Table table) If desired, install a primary key on the given secondary table.
void	populateColumns(Discriminator disc, Table table, Column[] cols) Fill in default information for the given discriminator columns.
void	populateColumns(ValueMapping vm, String name, Table table, Column[] cols) Fill in default information for the given value columns.
void	populateColumns(Version vers, Table table, Column[] cols) Fill in default information for the given version columns.
void	populateDataStoreIdColumns(ClassMapping cls, Table table, Column[] cols) Fill in default information for the given datastore identity columns.
void	populateForeignKeyColumn(ValueMapping vm, String name, Table local, Table foreign, Column col, Object target, boolean inverse, int pos, int cols) Fill in default information for the given column used to join a value to its related type.
void	populateJoinColumn(ClassMapping cm, Table local, Table foreign, Column col, Object target, int pos, int cols) Fill in default information for the given column used to join a class to its superclass table.
void	populateJoinColumn(FieldMapping fm, Table local, Table foreign, Column col, Object target, int pos, int cols) Fill in default information for the given column used to join a field to its defining class' table.
boolean	populateNullIndicatorColumns(ValueMapping vm, String name, Table table, Column[] cols) Fill in default information for the given null indicator columns.
boolean	populateOrderColumns(FieldMapping fm, Table table, Column[] cols) Fill in default information for the given order columns.
boolean	useClassCriteria() The default for whether relations use the related object's expected class as part of the join criteria.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NoneMappingDefaults

public NoneMappingDefaults()

Method Detail

getInstance

public static NoneMappingDefaults getInstance()

defaultMissingInfo

public boolean defaultMissingInfo()

Description copied from interface: MappingDefaults

Whether to fill in missing mapping information at runtime with the default values supplied by this plugin. A value of false means that all mapping information must be present at runtime.

Specified by:

defaultMissingInfo in interface MappingDefaults

useClassCriteria

public boolean useClassCriteria()

Description copied from interface: MappingDefaults

The default for whether relations use the related object's expected class as part of the join criteria.

Specified by:

useClassCriteria in interface MappingDefaults

getStrategy

public Object getStrategy(ClassMapping cls,
                          boolean adapt)

Description copied from interface: MappingDefaults

Default mapping strategy when there is no explicit strategy and no hierarchy strategy given.

Specified by:

getStrategy in interface MappingDefaults

Parameters:

cls - the class; will not be mapped, but superclass and raw MappingInfo will be available

adapt - whether we can adapt the mapping or schema

Returns:

the strategy alias or a strategy instance, or null

getStrategy

public Object getStrategy(Version vers,
                          boolean adapt)

Description copied from interface: MappingDefaults

Default version mapping strategy when there is no explicit strategy.

Specified by:

getStrategy in interface MappingDefaults

Parameters:

vers - the version; will not be mapped, but raw MappingInfo will be available

adapt - whether we can adapt the mapping or schema

Returns:

the strategy alias or a strategy instance, or null

getStrategy

public Object getStrategy(Discriminator disc,
                          boolean adapt)

Description copied from interface: MappingDefaults

Default discriminator mapping strategy when there is no explicit strategy.

Specified by:

getStrategy in interface MappingDefaults

Parameters:

disc - the discriminator; will not be mapped, but raw MappingInfo will be available

adapt - whether we can adapt the mapping or schema

Returns:

the strategy alias or a strategy instance, or null

getStrategy

public Object getStrategy(ValueMapping vm,
                          Class type,
                          boolean adapt)

Description copied from interface: MappingDefaults

Custom handler or strategy for the given field, or null if none has been registered.

Specified by:

getStrategy in interface MappingDefaults

Parameters:

vm - the value mapping; will not be mapped, but raw MappingInfo will be available

type - the value type

adapt - whether we can adapt the mapping or schema

Returns:

the handler/strategy alias or instance, or null

getDiscriminatorValue

public Object getDiscriminatorValue(Discriminator disc,
                                    boolean adapt)

Description copied from interface: MappingDefaults

Return the default discriminator value for the given instance.

Specified by:

getDiscriminatorValue in interface MappingDefaults

getTableName

public String getTableName(ClassMapping cls,
                           Schema schema)

Description copied from interface: MappingDefaults

Return the default table name for the given class. This method is only called for classes mapped to their own table.

Specified by:

getTableName in interface MappingDefaults

getTableName

public String getTableName(FieldMapping fm,
                           Schema schema)

Description copied from interface: MappingDefaults

Return the default secondary table name for the given field. This method is only called for fields whose strategy requires a secondary table.

Specified by:

getTableName in interface MappingDefaults

populateDataStoreIdColumns

public void populateDataStoreIdColumns(ClassMapping cls,
                                       Table table,
                                       Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given datastore identity columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateDataStoreIdColumns in interface MappingDefaults

populateColumns

public void populateColumns(Version vers,
                            Table table,
                            Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given version columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateColumns in interface MappingDefaults

populateColumns

public void populateColumns(Discriminator disc,
                            Table table,
                            Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given discriminator columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateColumns in interface MappingDefaults

populateJoinColumn

public void populateJoinColumn(ClassMapping cm,
                               Table local,
                               Table foreign,
                               Column col,
                               Object target,
                               int pos,
                               int cols)

Description copied from interface: MappingDefaults

Fill in default information for the given column used to join a class to its superclass table. The column will be a clone of the target column, or have its name and Java type set in the case of a constant target.

Specified by:

populateJoinColumn in interface MappingDefaults

target - the target of this column in the join; may be another column or a constant value

pos - the index of this column in the logical foreign key

cols - the number of columns in the logical foreign key

populateJoinColumn

public void populateJoinColumn(FieldMapping fm,
                               Table local,
                               Table foreign,
                               Column col,
                               Object target,
                               int pos,
                               int cols)

Description copied from interface: MappingDefaults

Fill in default information for the given column used to join a field to its defining class' table. The column will be a clone of the target column, or have its name and Java type set in the case of a constant target.

Specified by:

populateJoinColumn in interface MappingDefaults

target - the target of this column in the join; may be another column or a constant value

pos - the index of this column in the logical foreign key

cols - the number of columns in the logical foreign key

populateForeignKeyColumn

public void populateForeignKeyColumn(ValueMapping vm,
                                     String name,
                                     Table local,
                                     Table foreign,
                                     Column col,
                                     Object target,
                                     boolean inverse,
                                     int pos,
                                     int cols)

Description copied from interface: MappingDefaults

Fill in default information for the given column used to join a value to its related type. The column will be a clone of the target column, or have its name and Java type set in the case of a constant target.

Specified by:

populateForeignKeyColumn in interface MappingDefaults

name - base name for value, as decided by mapping

target - the target of this column in the join; may be another column or a constant value

inverse - whether this is an inverse foreign key

pos - the index of this column in the logical foreign key

cols - the number of columns in the logical foreign key

populateColumns

public void populateColumns(ValueMapping vm,
                            String name,
                            Table table,
                            Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given value columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateColumns in interface MappingDefaults

name - base name for value, as decided by mapping

populateOrderColumns

public boolean populateOrderColumns(FieldMapping fm,
                                    Table table,
                                    Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given order columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateOrderColumns in interface MappingDefaults

Returns:

false if the given field should not have order columns by default; fill in default information even when returning false in case the user forces ordering

populateNullIndicatorColumns

public boolean populateNullIndicatorColumns(ValueMapping vm,
                                            String name,
                                            Table table,
                                            Column[] cols)

Description copied from interface: MappingDefaults

Fill in default information for the given null indicator columns. The columns' name and Java type will already be populated with generic defaults that may be replaced.

Specified by:

populateNullIndicatorColumns in interface MappingDefaults

name - base name for value, as decided by mapping

Returns:

false if the given value should not have null indicator columns by default; fill in default information even when returning false in case the user forces an indicator

getJoinForeignKey

public ForeignKey getJoinForeignKey(ClassMapping cls,
                                    Table local,
                                    Table foreign)

Description copied from interface: MappingDefaults

Return a default foreign key for the join from this class' table to its superclass' table, or null for a logical foreign key only. Do not add columns to the key or add the key to the table; only fill in its information such as name, delete action, etc.

Specified by:

getJoinForeignKey in interface MappingDefaults

getJoinForeignKey

public ForeignKey getJoinForeignKey(FieldMapping fm,
                                    Table local,
                                    Table foreign)

Description copied from interface: MappingDefaults

Return a default foreign key for the join from this field's table to its defining class' table, or null for a logical foreign key only. Do not add columns to the key or add the key to the table; only fill in its information such as name, delete action, etc.

Specified by:

getJoinForeignKey in interface MappingDefaults

getForeignKey

public ForeignKey getForeignKey(ValueMapping vm,
                                String name,
                                Table local,
                                Table foreign,
                                boolean inverse)

Description copied from interface: MappingDefaults

Return a default foreign key for the join from this value to its related type, or null for a logical foreign key only. Do not add columns to the key or add the key to the table; only fill in its information such as name, delete action, etc.

Specified by:

getForeignKey in interface MappingDefaults

name - base name for value, as decided by mapping

inverse - whether this is an inverse key

getJoinIndex

public Index getJoinIndex(FieldMapping fm,
                          Table table,
                          Column[] cols)

Description copied from interface: MappingDefaults

Return a default index for the join, or null if the join columns should not be indexed by default. Do not add columns to the index or add the index to the table; only fill in its information such as name, uniqueness, etc.

Specified by:

getJoinIndex in interface MappingDefaults

getIndex

public Index getIndex(ValueMapping vm,
                      String name,
                      Table table,
                      Column[] cols)

Description copied from interface: MappingDefaults

Return a default index for the value, or null if the value columns should not be indexed by default. Do not add columns to the index or add the index to the table; only fill in its information such as name, uniqueness, etc.

Specified by:

getIndex in interface MappingDefaults

name - base name for value, as decided by mapping

getIndex

public Index getIndex(Version vers,
                      Table table,
                      Column[] cols)

Description copied from interface: MappingDefaults

Return a default index for the version, or null if the version columns should not be indexed by default. Do not add columns to the index or add the index to the table; only fill in its information such as name, uniqueness, etc.

Specified by:

getIndex in interface MappingDefaults

getIndex

public Index getIndex(Discriminator disc,
                      Table table,
                      Column[] cols)

Description copied from interface: MappingDefaults

Return a default index for the discriminator, or null if the discriminator columns should not be indexed by default. Do not add columns to the index or add the index to the table; only fill in its information such as name, uniqueness, etc.

Specified by:

getIndex in interface MappingDefaults

getJoinUnique

public Unique getJoinUnique(FieldMapping fm,
                            Table table,
                            Column[] cols)

Description copied from interface: MappingDefaults

Return a default constraint for the join, or null if the join columns should not be constrained by default. Do not add columns to the constraint or add the constraint to the table; only fill in its information such as name, deferrability, etc.

Specified by:

getJoinUnique in interface MappingDefaults

getUnique

public Unique getUnique(ValueMapping vm,
                        String name,
                        Table table,
                        Column[] cols)

Description copied from interface: MappingDefaults

Return a default constraint for the value, or null if the value columns should not be constrained by default. Do not add columns to the constraint or add the constraint to the table; only fill in its information such as name, deferrability, etc.

Specified by:

getUnique in interface MappingDefaults

name - base name for value, as decided by mapping

getPrimaryKeyName

public String getPrimaryKeyName(ClassMapping cm,
                                Table table)

Description copied from interface: MappingDefaults

Return the name of the primary key for the table of the given class, or null for database default.

Specified by:

getPrimaryKeyName in interface MappingDefaults

installPrimaryKey

public void installPrimaryKey(FieldMapping fm,
                              Table table)

Description copied from interface: MappingDefaults

If desired, install a primary key on the given secondary table.

Specified by:

installPrimaryKey in interface MappingDefaults