Class VoidType

java.lang.Object
org.apache.cayenne.access.types.VoidType
All Implemented Interfaces:
ExtendedType<Void>

public class VoidType
extends Object
implements ExtendedType<Void>
A noop type that is sometimes useful to suppress extended types operations. It will set and get null values.
Since:
1.2
  • Constructor Details

    • VoidType

      public VoidType()
  • Method Details

    • getClassName

      public String getClassName()
      Description copied from interface: ExtendedType
      Returns a full name of Java class that this ExtendedType supports.
      Specified by:
      getClassName in interface ExtendedType<Void>
    • setJdbcObject

      public void setJdbcObject​(PreparedStatement statement, Void value, int pos, int type, int precision) throws Exception
      Description copied from interface: ExtendedType
      Initializes a single parameter of a PreparedStatement with object value.
      Specified by:
      setJdbcObject in interface ExtendedType<Void>
      Throws:
      Exception
    • materializeObject

      public Void materializeObject​(ResultSet rs, int index, int type) throws Exception
      Description copied from interface: ExtendedType
      Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.
      Specified by:
      materializeObject in interface ExtendedType<Void>
      Throws:
      Exception - if read error occurred, or an object can't be converted to a target Java class.
    • materializeObject

      public Void materializeObject​(CallableStatement rs, int index, int type) throws Exception
      Description copied from interface: ExtendedType
      Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.
      Specified by:
      materializeObject in interface ExtendedType<Void>
      Throws:
      Exception - if read error occurred, or an object can't be converted to a target Java class.
    • toString

      public String toString​(Void value)
      Description copied from interface: ExtendedType
      Converts value of the supported type to a human-readable String representation.
      Specified by:
      toString in interface ExtendedType<Void>
      Parameters:
      value - a value to convert to String.