Class JDBCDynaClass

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.util.Map<java.lang.String,​java.lang.String> columnNameXref
      Cross Reference for column name --> dyna property name (needed when lowerCase option is true)
      protected boolean lowerCase
      Flag defining whether column names should be lower cased when converted to property names.
      protected DynaProperty[] properties
      The set of dynamic properties that are part of this DynaClass.
      protected java.util.Map<java.lang.String,​DynaProperty> propertiesMap
      The set of dynamic properties that are part of this DynaClass, keyed by the property name.
      private boolean useColumnLabel
      Flag defining whether column names or labels should be used.
    • Constructor Summary

      Constructors 
      Constructor Description
      JDBCDynaClass()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected DynaProperty createDynaProperty​(java.sql.ResultSetMetaData metadata, int i)
      Factory method to create a new DynaProperty for the given index into the result set metadata.
      protected java.lang.String getColumnName​(java.lang.String name)
      Get the table column name for the specified property name.
      DynaProperty[] getDynaProperties()
      Return an array of ProperyDescriptors for the properties currently defined in this DynaClass.
      DynaProperty getDynaProperty​(java.lang.String name)
      Return a property descriptor for the specified property, if it exists; otherwise, return null.
      java.lang.String getName()
      Return the name of this DynaClass (analogous to the getName() method of java.lang.ClassDynaClass implementation class to support different dynamic classes, with different sets of properties.
      protected java.lang.Object getObject​(java.sql.ResultSet resultSet, java.lang.String name)
      Get a column value from a ResultSet for the specified name.
      protected void introspect​(java.sql.ResultSet resultSet)
      Introspect the metadata associated with our result set, and populate the properties and propertiesMap instance variables.
      protected java.lang.Class<?> loadClass​(java.lang.String className)
      Loads and returns the Class of the given name.
      DynaBean newInstance()
      Instantiate and return a new DynaBean instance, associated with this DynaClass.
      void setUseColumnLabel​(boolean useColumnLabel)
      Set whether the column label or name should be used for the property name.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • lowerCase

        protected boolean lowerCase

        Flag defining whether column names should be lower cased when converted to property names.

      • useColumnLabel

        private boolean useColumnLabel

        Flag defining whether column names or labels should be used.

      • properties

        protected DynaProperty[] properties

        The set of dynamic properties that are part of this DynaClass.

      • propertiesMap

        protected java.util.Map<java.lang.String,​DynaProperty> propertiesMap

        The set of dynamic properties that are part of this DynaClass, keyed by the property name. Individual descriptor instances will be the same instances as those in the properties list.

      • columnNameXref

        private java.util.Map<java.lang.String,​java.lang.String> columnNameXref
        Cross Reference for column name --> dyna property name (needed when lowerCase option is true)
    • Constructor Detail

      • JDBCDynaClass

        JDBCDynaClass()
    • Method Detail

      • getName

        public java.lang.String getName()

        Return the name of this DynaClass (analogous to the getName() method of java.lang.ClassDynaClass implementation class to support different dynamic classes, with different sets of properties.

        Specified by:
        getName in interface DynaClass
        Returns:
        the name of the DynaClass
      • getDynaProperty

        public DynaProperty getDynaProperty​(java.lang.String name)

        Return a property descriptor for the specified property, if it exists; otherwise, return null.

        Specified by:
        getDynaProperty in interface DynaClass
        Parameters:
        name - Name of the dynamic property for which a descriptor is requested
        Returns:
        The descriptor for the specified property
        Throws:
        java.lang.IllegalArgumentException - if no property name is specified
      • getDynaProperties

        public DynaProperty[] getDynaProperties()

        Return an array of ProperyDescriptors for the properties currently defined in this DynaClass. If no properties are defined, a zero-length array will be returned.

        Specified by:
        getDynaProperties in interface DynaClass
        Returns:
        the set of properties for this DynaClass
      • newInstance

        public DynaBean newInstance()
                             throws java.lang.IllegalAccessException,
                                    java.lang.InstantiationException

        Instantiate and return a new DynaBean instance, associated with this DynaClass. NOTE - This operation is not supported, and throws an exception.

        Specified by:
        newInstance in interface DynaClass
        Returns:
        A new DynaBean instance
        Throws:
        java.lang.IllegalAccessException - if the Class or the appropriate constructor is not accessible
        java.lang.InstantiationException - if this Class represents an abstract class, an array class, a primitive type, or void; or if instantiation fails for some other reason
      • setUseColumnLabel

        public void setUseColumnLabel​(boolean useColumnLabel)
        Set whether the column label or name should be used for the property name.
        Parameters:
        useColumnLabel - true if the column label should be used, otherwise false
      • loadClass

        protected java.lang.Class<?> loadClass​(java.lang.String className)
                                        throws java.sql.SQLException

        Loads and returns the Class of the given name. By default, a load from the thread context class loader is attempted. If there is no such class loader, the class loader used to load this class will be utilized.

        Parameters:
        className - The name of the class to load
        Returns:
        The loaded class
        Throws:
        java.sql.SQLException - if an exception was thrown trying to load the specified class
      • createDynaProperty

        protected DynaProperty createDynaProperty​(java.sql.ResultSetMetaData metadata,
                                                  int i)
                                           throws java.sql.SQLException

        Factory method to create a new DynaProperty for the given index into the result set metadata.

        Parameters:
        metadata - is the result set metadata
        i - is the column index in the metadata
        Returns:
        the newly created DynaProperty instance
        Throws:
        java.sql.SQLException - If an error occurs accessing the SQL metadata
      • introspect

        protected void introspect​(java.sql.ResultSet resultSet)
                           throws java.sql.SQLException

        Introspect the metadata associated with our result set, and populate the properties and propertiesMap instance variables.

        Parameters:
        resultSet - The resultSet whose metadata is to be introspected
        Throws:
        java.sql.SQLException - if an error is encountered processing the result set metadata
      • getObject

        protected java.lang.Object getObject​(java.sql.ResultSet resultSet,
                                             java.lang.String name)
                                      throws java.sql.SQLException
        Get a column value from a ResultSet for the specified name.
        Parameters:
        resultSet - The result set
        name - The property name
        Returns:
        The value
        Throws:
        java.sql.SQLException - if an error occurs
      • getColumnName

        protected java.lang.String getColumnName​(java.lang.String name)
        Get the table column name for the specified property name.
        Parameters:
        name - The property name
        Returns:
        The column name (which can be different if the lowerCase option is used).