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The <ejb-ql-compiler-factory> XML element uses the OpenEJB default namespace for a openejb-jar.xml file that is described at http://www.openejb.org/xml/ns/openejb-jar-2.2. It is used to specify the name of a Java class that can compile EJB-QL (Query Language) queries into SQL statements for a particular database product. This must be the fully-qualified class name of a class that implements org.tranql.sql.EJBQLCompilerFactory. The default is for the Derby database, which ships with Geronimo, although it may work for other database products as well. An example openejb-jar.xml using the <ejb-ql-compiler-factory> XML element is shown:
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The <db-syntax-factory> XML element uses the OpenEJB default namespace for a openejb-jar.xml file that is described at http://www.openejb.org/xml/ns/openejb-jar-2.2. It is used to specify the name of a Java class that can customize CMP SQL statements for a particular database product. This must be the fully-qualified class name of a class that implements org.tranql.sql.DBSyntaxFactory. The default is for the Derby database, though this may work for other database products too. The default is for the Derby database, which ships with Geronimo, although it may work for other database products as well. An example openejb-jar.xml using the <db-syntax-factory> XML element is shown:
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