Class DerbyFactory
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
PersistenceFactory
for DB 2 driver.- Version:
- $Revision: 8628 $ $Date$
- Author:
- Assaf Arkin
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final String
Internal name of this PersistenceFactory implementation. -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns the name of this factory.getIdentitySelectString
(String tableName, String columnName) Returns the database specific query string for retrieving last identity value.Returns a new empty query expression suitable for the underlying SQL engine.getSequenceBeforeSelectString
(String seqName, String tableName, int increment) Returns the database specific SELECT query string for fetching identity before the next INSERT statement gets executed.boolean
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.GenericFactory
doubleQuoteName, getSequenceAfterSelectString, getSequenceNextValString, quoteName
Methods inherited from class org.castor.cpa.persistence.sql.driver.BaseFactory
adjustSqlType, getCallQuery, getKeyGenerator, getPersistence
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Field Details
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FACTORY_NAME
Internal name of this PersistenceFactory implementation.- See Also:
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Constructor Details
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DerbyFactory
public DerbyFactory()
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Method Details
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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 interfacePersistenceFactory
- Overrides:
getFactoryName
in classGenericFactory
- Returns:
- The name of this factory
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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 interfacePersistenceFactory
- Overrides:
getQueryExpression
in classGenericFactory
- Returns:
- New empty query expression
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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 interfacePersistenceFactory
- Overrides:
isKeyGeneratorIdentitySupported
in classGenericFactory
- Returns:
true
if persistence factory is able to generate unique keys with identity key generator,false
otherwise.
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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 interfacePersistenceFactory
- Overrides:
isKeyGeneratorIdentityTypeSupported
in classGenericFactory
- 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.
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getIdentitySelectString
Description copied from class:GenericFactory
Returns the database specific query string for retrieving last identity value.- Specified by:
getIdentitySelectString
in interfacePersistenceFactory
- Overrides:
getIdentitySelectString
in classGenericFactory
- 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.
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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 interfacePersistenceFactory
- Overrides:
isKeyGeneratorSequenceSupported
in classGenericFactory
- 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.
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isKeyGeneratorSequenceTypeSupported
public boolean isKeyGeneratorSequenceTypeSupported(int type) Does Sequence key generator support generation of key for the given SQL type?- Specified by:
isKeyGeneratorSequenceTypeSupported
in interfacePersistenceFactory
- Overrides:
isKeyGeneratorSequenceTypeSupported
in classGenericFactory
- 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.
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getSequenceBeforeSelectString
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 interfacePersistenceFactory
- Overrides:
getSequenceBeforeSelectString
in classGenericFactory
- 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
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