Package org.hibernate.dialect.identity

Class AbstractTransactSQLIdentityColumnSupport

java.lang.Object

org.hibernate.dialect.identity.IdentityColumnSupportImpl

org.hibernate.dialect.identity.AbstractTransactSQLIdentityColumnSupport

All Implemented Interfaces:

IdentityColumnSupport

Direct Known Subclasses:

SQLServerIdentityColumnSupport, SybaseJconnIdentityColumnSupport

public class AbstractTransactSQLIdentityColumnSupport
extends IdentityColumnSupportImpl

Field Summary

Fields

Modifier and Type	Field	Description
static final AbstractTransactSQLIdentityColumnSupport	INSTANCE

Constructor Summary

Constructors

Constructor	Description
AbstractTransactSQLIdentityColumnSupport()

Method Summary

Modifier and Type	Method	Description
String	appendIdentitySelectToInsert(String insertSQL)	Provided we IdentityColumnSupport.supportsInsertSelectIdentity(), then attach the "select identity" clause to the insert statement.
String	getIdentityColumnString(int type)	The syntax used during DDL to define a column as being an IDENTITY of a particular type.
String	getIdentitySelectString(String table, String column, int type)	Get the select command to use to retrieve the last generated IDENTITY value for a particular table
boolean	supportsIdentityColumns()	Does this dialect support identity column key generation?
boolean	supportsInsertSelectIdentity()	Does the dialect support some form of inserting and selecting the generated IDENTITY value all in the same statement.

Methods inherited from class org.hibernate.dialect.identity.IdentityColumnSupportImpl

buildGetGeneratedKeysDelegate, getIdentityInsertString, hasDataTypeInIdentityColumn

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.dialect.identity.IdentityColumnSupport

appendIdentitySelectToInsert, hasIdentityInsertKeyword

Field Details

INSTANCE

public static final AbstractTransactSQLIdentityColumnSupport INSTANCE

Constructor Details

AbstractTransactSQLIdentityColumnSupport

public AbstractTransactSQLIdentityColumnSupport()

Method Details

supportsIdentityColumns

public boolean supportsIdentityColumns()

Description copied from interface: IdentityColumnSupport

Does this dialect support identity column key generation?

Specified by:

supportsIdentityColumns in interface IdentityColumnSupport

Overrides:

supportsIdentityColumns in class IdentityColumnSupportImpl

Returns:

True if IDENTITY columns are supported; false otherwise.

getIdentityColumnString

public String getIdentityColumnString(int type)
                               throws MappingException

Description copied from interface: IdentityColumnSupport

The syntax used during DDL to define a column as being an IDENTITY of a particular type.

Specified by:

getIdentityColumnString in interface IdentityColumnSupport

Overrides:

getIdentityColumnString in class IdentityColumnSupportImpl

Parameters:

type - The Types type code.

Returns:

The appropriate DDL fragment.

Throws:

MappingException - If IDENTITY generation is not supported.

getIdentitySelectString

public String getIdentitySelectString(String table,
 String column,
 int type)
                               throws MappingException

Description copied from interface: IdentityColumnSupport

Get the select command to use to retrieve the last generated IDENTITY value for a particular table

Specified by:

getIdentitySelectString in interface IdentityColumnSupport

Overrides:

getIdentitySelectString in class IdentityColumnSupportImpl

Parameters:

table - The table into which the insert was done

column - The PK column.

type - The Types type code.

Returns:

The appropriate select command

Throws:

MappingException - If IDENTITY generation is not supported.

supportsInsertSelectIdentity

public boolean supportsInsertSelectIdentity()

Description copied from interface: IdentityColumnSupport

Does the dialect support some form of inserting and selecting the generated IDENTITY value all in the same statement.

Specified by:

supportsInsertSelectIdentity in interface IdentityColumnSupport

Overrides:

supportsInsertSelectIdentity in class IdentityColumnSupportImpl

Returns:

True if the dialect supports selecting the just generated IDENTITY in the insert statement.

appendIdentitySelectToInsert

public String appendIdentitySelectToInsert(String insertSQL)

Description copied from interface: IdentityColumnSupport

Provided we IdentityColumnSupport.supportsInsertSelectIdentity(), then attach the "select identity" clause to the insert statement.

Note, if IdentityColumnSupport.supportsInsertSelectIdentity() == false then the insert-string should be returned without modification.

Specified by:

appendIdentitySelectToInsert in interface IdentityColumnSupport

Overrides:

appendIdentitySelectToInsert in class IdentityColumnSupportImpl

Parameters:

insertSQL - The insert command

Returns:

The insert command with any necessary identity select clause attached.