org.hibernate.cfg

Class ImprovedNamingStrategy

java.lang.Object

org.hibernate.cfg.ImprovedNamingStrategy

All Implemented Interfaces:

Serializable, NamingStrategy

public class ImprovedNamingStrategy
extends Object
implements NamingStrategy, Serializable

An improved naming strategy that prefers embedded underscores to mixed case names

Author:

Gavin King

See Also:

the default strategy, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static NamingStrategy	INSTANCE A convenient singleton instance

Constructor Summary

Constructors

Constructor and Description
ImprovedNamingStrategy()

Method Summary

Modifier and Type	Method and Description
protected static String	addUnderscores(String name)
String	classToTableName(String className) Return the unqualified class name, mixed case converted to underscores
String	collectionTableName(String ownerEntity, String ownerEntityTable, String associatedEntity, String associatedEntityTable, String propertyName) Return a collection table name ie an association having a join table
String	columnName(String columnName) Convert mixed case to underscores
String	foreignKeyColumnName(String propertyName, String propertyEntityName, String propertyTableName, String referencedColumnName) Return the property name or propertyTableName
String	joinKeyColumnName(String joinedColumn, String joinedTable) Return the argument
String	logicalCollectionColumnName(String columnName, String propertyName, String referencedColumn) Return the column name if explicit or the concatenation of the property name and the referenced column
String	logicalCollectionTableName(String tableName, String ownerEntityTable, String associatedEntityTable, String propertyName) Returns either the table name if explicit or if there is an associated table, the concatenation of owner entity table and associated table otherwise the concatenation of owner entity table and the unqualified property name
String	logicalColumnName(String columnName, String propertyName) Return the column name or the unqualified property name
String	propertyToColumnName(String propertyName) Return the full property path with underscore seperators, mixed case converted to underscores
String	tableName(String tableName) Convert mixed case to underscores

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NamingStrategy INSTANCE

A convenient singleton instance

Constructor Detail

ImprovedNamingStrategy

public ImprovedNamingStrategy()

Method Detail

classToTableName

public String classToTableName(String className)

Return the unqualified class name, mixed case converted to underscores

Specified by:

classToTableName in interface NamingStrategy

Parameters:

className - the fully-qualified class name

Returns:

a table name

propertyToColumnName

public String propertyToColumnName(String propertyName)

Return the full property path with underscore seperators, mixed case converted to underscores

Specified by:

propertyToColumnName in interface NamingStrategy

Parameters:

propertyName - a property path

Returns:

a column name

tableName

public String tableName(String tableName)

Convert mixed case to underscores

Specified by:

tableName in interface NamingStrategy

Parameters:

tableName - a table name

Returns:

a table name

columnName

public String columnName(String columnName)

Convert mixed case to underscores

Specified by:

columnName in interface NamingStrategy

Parameters:

columnName - a column name

Returns:

a column name

addUnderscores

protected static String addUnderscores(String name)

collectionTableName

public String collectionTableName(String ownerEntity,
                                  String ownerEntityTable,
                                  String associatedEntity,
                                  String associatedEntityTable,
                                  String propertyName)

Description copied from interface: NamingStrategy

Return a collection table name ie an association having a join table

Specified by:

collectionTableName in interface NamingStrategy

ownerEntityTable - owner side table name

associatedEntityTable - reverse side table name if any

propertyName - collection role

joinKeyColumnName

public String joinKeyColumnName(String joinedColumn,
                                String joinedTable)

Return the argument

Specified by:

joinKeyColumnName in interface NamingStrategy

Parameters:

joinedColumn - joined column name (logical one) used to join with

joinedTable - joined table name (ie the referenced table) used to join with

foreignKeyColumnName

public String foreignKeyColumnName(String propertyName,
                                   String propertyEntityName,
                                   String propertyTableName,
                                   String referencedColumnName)

Return the property name or propertyTableName

Specified by:

foreignKeyColumnName in interface NamingStrategy

Parameters:

propertyName - the property name involved

propertyTableName - the property table name involved (logical one)

referencedColumnName - the referenced column name involved (logical one)

logicalColumnName

public String logicalColumnName(String columnName,
                                String propertyName)

Return the column name or the unqualified property name

Specified by:

logicalColumnName in interface NamingStrategy

Parameters:

columnName - given column name if any

propertyName - property name of this column

logicalCollectionTableName

public String logicalCollectionTableName(String tableName,
                                         String ownerEntityTable,
                                         String associatedEntityTable,
                                         String propertyName)

Returns either the table name if explicit or if there is an associated table, the concatenation of owner entity table and associated table otherwise the concatenation of owner entity table and the unqualified property name

Specified by:

logicalCollectionTableName in interface NamingStrategy

Parameters:

tableName - the metadata explicit name

ownerEntityTable - owner table entity table name (logical one)

associatedEntityTable - reverse side table name if any (logical one)

propertyName - collection role

logicalCollectionColumnName

public String logicalCollectionColumnName(String columnName,
                                          String propertyName,
                                          String referencedColumn)

Return the column name if explicit or the concatenation of the property name and the referenced column

Specified by:

logicalCollectionColumnName in interface NamingStrategy

Parameters:

columnName - given column name in the metadata if any

propertyName - property name

referencedColumn - referenced column name (logical one) in the join