org.castor.cpa.persistence.sql.driver
Class InstantDBFactory
java.lang.Object
org.castor.cpa.persistence.sql.driver.BaseFactory
org.castor.cpa.persistence.sql.driver.GenericFactory
org.castor.cpa.persistence.sql.driver.InstantDBFactory
- All Implemented Interfaces:
- PersistenceFactory
public final class InstantDBFactory
- extends GenericFactory
Persistence factory for InstantDB database (http://instantdb.enhydra.org/ ).
Example database.xml
file for JDO
<database name="test" engine="instantdb" >
<driver class-name="org.enhydra.instantdb.jdbc.idbDriver"
url="jdbc:idb:C:\\castor-0.8.8\\db\\test\\test.prp">
<param name="user" value="" />
<param name="password" value="" />
</driver>
<mapping href="mapping.xml" />
</database>
- Version:
- 1.0
- Author:
- I. Burak Ozyurt
Method Summary |
java.lang.Class<?> |
adjustSqlType(java.lang.Class<?> sqlType)
For NUMERIC type ResultSet.getObject() returns Double instead of BigDecimal for InstantDB. |
PersistenceQuery |
getCallQuery(java.lang.String call,
java.lang.Class<?>[] paramTypes,
java.lang.Class<?> javaClass,
java.lang.String[] fields,
int[] sqlTypes)
Needed to process OQL queries of "CALL" type (using stored procedure
call). |
java.lang.String |
getFactoryName()
Returns the name of this factory. |
QueryExpression |
getQueryExpression()
Returns a new empty query expression suitable for the underlying
SQL engine. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FACTORY_NAME
public static final java.lang.String FACTORY_NAME
- See Also:
- Constant Field Values
InstantDBFactory
public InstantDBFactory()
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
getCallQuery
public PersistenceQuery getCallQuery(java.lang.String call,
java.lang.Class<?>[] paramTypes,
java.lang.Class<?> javaClass,
java.lang.String[] fields,
int[] sqlTypes)
- Needed to process OQL queries of "CALL" type (using stored procedure
call). This feature is specific for JDO.
- Specified by:
getCallQuery
in interface PersistenceFactory
- Overrides:
getCallQuery
in class BaseFactory
- Parameters:
call
- Stored procedure call (without "{call")paramTypes
- The types of the query parametersjavaClass
- The Java class of the query resultsfields
- The field namessqlTypes
- The field SQL types
- Returns:
- null if this feature is not supported.
adjustSqlType
public java.lang.Class<?> adjustSqlType(java.lang.Class<?> sqlType)
- For NUMERIC type ResultSet.getObject() returns Double instead of BigDecimal for InstantDB.
- Specified by:
adjustSqlType
in interface PersistenceFactory
- Overrides:
adjustSqlType
in class BaseFactory
- Parameters:
sqlType
- The correspondent Java class for the SQL type in mapping.xml
- Returns:
- The correspondent Java class for the SQL type that should be used instead.
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