Package org.sqlproc.engine.type

Class SqlComposedTypeFactory

  • All Implemented Interfaces:
    SqlTypeFactory
    public class SqlComposedTypeFactory
extends Object
implements SqlTypeFactory
    The factory definition, which can be used to construct the SqlMetaType instances. It's used to combine the factory of the underlying stack (on top of which the SQL Processor works) and the custom META types provided in the time of SqlProcessorLoader construction.
    Author:
    Vladimir Hudec

    • Field Detail

      • classToTypeMap

        private Map<Class<?>,​SqlMetaType> classToTypeMap
        The map between a Java class type and an internal type.

      • metaToTypeMap

        private Map<String,​SqlMetaType> metaToTypeMap
        The map between a String representation of an internal type and an internal type.

      • typeFactory

        private SqlTypeFactory typeFactory
        The factory of the underlying stack.

    • Constructor Detail

      • SqlComposedTypeFactory

        public SqlComposedTypeFactory​(SqlTypeFactory typeFactory)
        Creates a new instance of this factory.
        Parameters:
        typeFactory - the factory of the underlying stack

      • SqlComposedTypeFactory

        public SqlComposedTypeFactory​(SqlTypeFactory typeFactory,
                              List<SqlMetaType> customTypes)
        Creates a new instance of this factory.
        Parameters:
        typeFactory - the factory of the underlying stack
        customTypes - a collection of the custom META types provided by an user

    • Method Detail

      • getDefaultType

        public SqlMetaType getDefaultType()
        Returns the default META type. It's used in the case there's no explicit META type declaration in the META SQL statements.
        Specified by:
        getDefaultType in interface SqlTypeFactory
        Returns:
        the default META type

      • getEnumIntegerType

        public SqlMetaType getEnumIntegerType()
        Returns the META type for the enumerations based on Integer internal type.
        Specified by:
        getEnumIntegerType in interface SqlTypeFactory
        Returns:
        the META type for the enumerations based on Integer internal type

      • getEnumStringType

        public SqlMetaType getEnumStringType()
        Returns the META type for the enumerations based on String internal type.
        Specified by:
        getEnumStringType in interface SqlTypeFactory
        Returns:
        the META type for the enumerations based on String internal type

      • getIdentityType

        public SqlMetaType getIdentityType()
        Returns the META type for an auto-generated identity.
        Specified by:
        getIdentityType in interface SqlTypeFactory
        Returns:
        the META type for an auto-generated identity

      • getAllTypes

        public SqlMetaType[] getAllTypes()
        Returns the collection of all the META types provided by this factory.
        Specified by:
        getAllTypes in interface SqlTypeFactory
        Returns:
        the collection of all the META types

      • getMetaType

        public SqlMetaType getMetaType​(Class<?> clazz)
        Returns the META type, which can be used to handle input/output values of provided Java type.
        Specified by:
        getMetaType in interface SqlTypeFactory
        Parameters:
        clazz - the input/output value Java type
        Returns:
        the META type

      • getMetaType

        public SqlMetaType getMetaType​(String name)
        Returns the META type with the provided name.
        Specified by:
        getMetaType in interface SqlTypeFactory
        Parameters:
        name - the name of the META SQL type
        Returns:
        the META type