Interface ColumnSource

  • All Superinterfaces:
    RelationalValueSource

    public interface ColumnSource
    extends RelationalValueSource
    Contract for source information pertaining to a physical column definition specific to a particular attribute context.

    Conceptual note: this really describes a column from the perspective of its binding to an attribute, not necessarily the column itself.

    • Method Detail

      • getName

        String getName()
        Obtain the name of the column.
        Returns:
        The name of the column. Can be null, in which case a naming strategy is applied.
      • getReadFragment

        String getReadFragment()
        A SQL fragment to apply to the column value on read.
        Returns:
        The SQL read fragment
      • getWriteFragment

        String getWriteFragment()
        A SQL fragment to apply to the column value on write.
        Returns:
        The SQL write fragment
      • isNullable

        TruthValue isNullable()
        Is this column nullable?
        Returns:
        true indicates it is nullable; false non-nullable.
      • getDefaultValue

        String getDefaultValue()
        Obtain a specified default value for the column
        Returns:
        THe column default
      • getSqlType

        String getSqlType()
        Obtain the free-hand definition of the column's type.
        Returns:
        The free-hand column type
      • getDatatype

        JdbcDataType getDatatype()
        The deduced (and dialect convertible) type for this column
        Returns:
        The column's SQL data type.
      • getSizeSource

        SizeSource getSizeSource()
        Obtain the source for the specified column size.
        Returns:
        The source for the column size.
      • isUnique

        boolean isUnique()
        Is this column unique?
        Returns:
        true indicates it is unique; false non-unique.
      • getCheckCondition

        String getCheckCondition()
        Obtain the specified check constraint condition
        Returns:
        Check constraint condition
      • getComment

        String getComment()
        Obtain the specified SQL comment
        Returns:
        SQL comment
      • getIndexConstraintNames

        Set<String> getIndexConstraintNames()
      • getUniqueKeyConstraintNames

        Set<String> getUniqueKeyConstraintNames()