DerbyFactory (Castor JavaDoc)

java.lang.Object
- org.castor.cpa.persistence.sql.driver.BaseFactory
- - org.castor.cpa.persistence.sql.driver.GenericFactory
  - - org.castor.cpa.persistence.sql.driver.DerbyFactory

All Implemented Interfaces:

PersistenceFactory
```
public final class DerbyFactory
extends GenericFactory
```
PersistenceFactory for DB 2 driver.

Version:

$Revision: 8628 $ $Date$

Author:

Assaf Arkin

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String FACTORY_NAME
Internal name of this PersistenceFactory implementation.

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`FACTORY_NAME`	Internal name of this PersistenceFactory implementation.

Constructor Summary

Constructors
Constructor Description

DerbyFactory()

Constructors
Constructor	Description
`DerbyFactory()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getFactoryName()`	Returns the name of this factory.
`java.lang.String`	`getIdentitySelectString(java.lang.String tableName, java.lang.String columnName)`	Returns the database specific query string for retrieving last identity value.
`QueryExpression`	`getQueryExpression()`	Returns a new empty query expression suitable for the underlying SQL engine.
`java.lang.String`	`getSequenceBeforeSelectString(java.lang.String seqName, java.lang.String tableName, int increment)`	Returns the database specific SELECT query string for fetching identity before the next INSERT statement gets executed.
`boolean`	`isKeyGeneratorIdentitySupported()`	Does persistence factory support generation of unique keys with identity key generator?
`boolean`	`isKeyGeneratorIdentityTypeSupported(int type)`	Does identity key generator support generation of unique keys for the given SQL type?
`boolean`	`isKeyGeneratorSequenceSupported(boolean returning, boolean trigger)`	Does persistence factory support generation of new key at the time of new object creation with sequence key generator?
`boolean`	`isKeyGeneratorSequenceTypeSupported(int type)`	Does Sequence key generator support generation of key for the given SQL type?

Methods inherited from class org.castor.cpa.persistence.sql.driver.BaseFactory
adjustSqlType, getCallQuery, getKeyGenerator, getPersistence

Methods inherited from class org.castor.cpa.persistence.sql.driver.GenericFactory
doubleQuoteName, getSequenceAfterSelectString, getSequenceNextValString, quoteName

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - FACTORY_NAME
```
public static final java.lang.String FACTORY_NAME
```
    Internal name of this PersistenceFactory implementation.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - DerbyFactory
```
public DerbyFactory()
```
- Method Detail
  - getFactoryName
```
public java.lang.String getFactoryName()
```
    Description copied from interface: PersistenceFactory
    
    Returns the name of this factory. A descriptive name that indicates the type of supported database server or SQL syntax.
    
    Specified by:
    
    getFactoryName in interface PersistenceFactory
    
    Overrides:
    
    getFactoryName in class GenericFactory
    
    Returns:
    
    The name of this factory
  - getQueryExpression
```
public QueryExpression getQueryExpression()
```
    Description copied from interface: PersistenceFactory
    
    Returns a new empty query expression suitable for the underlying SQL engine. The implementation will construct SQL query statements in the preferred syntax.
    
    Specified by:
    
    getQueryExpression in interface PersistenceFactory
    
    Overrides:
    
    getQueryExpression in class GenericFactory
    
    Returns:
    
    New empty query expression
  - isKeyGeneratorIdentitySupported
```
public boolean isKeyGeneratorIdentitySupported()
```
    Description copied from class: GenericFactory
    
    Does persistence factory support generation of unique keys with identity key generator?
    
    Specified by:
    
    isKeyGeneratorIdentitySupported in interface PersistenceFactory
    
    Overrides:
    
    isKeyGeneratorIdentitySupported in class GenericFactory
    
    Returns:
    
    true if persistence factory is able to generate unique keys with identity key generator, false otherwise.
  - isKeyGeneratorIdentityTypeSupported
```
public boolean isKeyGeneratorIdentityTypeSupported(int type)
```
    Description copied from class: GenericFactory
    
    Does identity key generator support generation of unique keys for the given SQL type?
    
    Specified by:
    
    isKeyGeneratorIdentityTypeSupported in interface PersistenceFactory
    
    Overrides:
    
    isKeyGeneratorIdentityTypeSupported in class GenericFactory
    
    Parameters:
    
    type - SQL type to check for support by identity key generator.
    
    Returns:
    
    true if persistence factory is able to generate unique keys of given SQL type with identity key generator, false otherwise.
  - getIdentitySelectString
```
public java.lang.String getIdentitySelectString(java.lang.String tableName,
                                                java.lang.String columnName)
```
    Description copied from class: GenericFactory
    
    Returns the database specific query string for retrieving last identity value.
    
    Specified by:
    
    getIdentitySelectString in interface PersistenceFactory
    
    Overrides:
    
    getIdentitySelectString in class GenericFactory
    
    Parameters:
    
    tableName - Name of the table from which identity needs to be fetched.
    
    columnName - Name of the column from which identity needs to be fetched.
    
    Returns:
    
    SQL Query string for fetching the identity value.
  - isKeyGeneratorSequenceSupported
```
public boolean isKeyGeneratorSequenceSupported(boolean returning,
                                               boolean trigger)
```
    Description copied from class: GenericFactory
    
    Does persistence factory support generation of new key at the time of new object creation with sequence key generator?
    
    Specified by:
    
    isKeyGeneratorSequenceSupported in interface PersistenceFactory
    
    Overrides:
    
    isKeyGeneratorSequenceSupported in class GenericFactory
    
    Parameters:
    
    returning - Return generated key value with insert statement?
    
    trigger - Use a database trigger to generate key?
    
    Returns:
    
    true if persistence factory is able to generate key with sequence key generator, false otherwise.
  - isKeyGeneratorSequenceTypeSupported
```
public boolean isKeyGeneratorSequenceTypeSupported(int type)
```
    Does Sequence key generator support generation of key for the given SQL type?
    
    Specified by:
    
    isKeyGeneratorSequenceTypeSupported in interface PersistenceFactory
    
    Overrides:
    
    isKeyGeneratorSequenceTypeSupported in class GenericFactory
    
    Parameters:
    
    type - SQL type to check for support by sequence key generator.
    
    Returns:
    
    true if persistence factory is able to generate key of given SQL type with sequence key generator, false otherwise.
  - getSequenceBeforeSelectString
```
public java.lang.String getSequenceBeforeSelectString(java.lang.String seqName,
                                                      java.lang.String tableName,
                                                      int increment)
```
    Description copied from class: GenericFactory
    
    Returns the database specific SELECT query string for fetching identity before the next INSERT statement gets executed.
    
    Specified by:
    
    getSequenceBeforeSelectString in interface PersistenceFactory
    
    Overrides:
    
    getSequenceBeforeSelectString in class GenericFactory
    
    Parameters:
    
    seqName - Name of sequence.
    
    tableName - Name of the table from which identity will be fetched.
    
    increment - Increment value used in Interbase database engine.
    
    Returns:
    
    SELECT sql string

Class DerbyFactory

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.castor.cpa.persistence.sql.driver.BaseFactory

Methods inherited from class org.castor.cpa.persistence.sql.driver.GenericFactory

Methods inherited from class java.lang.Object

Field Detail

FACTORY_NAME

Constructor Detail

DerbyFactory

Method Detail

getFactoryName

getQueryExpression

isKeyGeneratorIdentitySupported

isKeyGeneratorIdentityTypeSupported

getIdentitySelectString

isKeyGeneratorSequenceSupported

isKeyGeneratorSequenceTypeSupported

getSequenceBeforeSelectString