Field Detail

• name

  private final java.lang.String name

• type

  private final DataTypeDescriptor type

  Fully described type of the column.

Constructor Detail

• SystemColumnImpl

  private SystemColumnImpl​(java.lang.String name,
                           DataTypeDescriptor type)

  Create a SystemColumnImpl representing the given name and type.

Method Detail

• getColumn

  static SystemColumn getColumn​(java.lang.String name,
                                int jdbcTypeId,
                                boolean nullability)

  Create a system column for a builtin type.

  Parameters:

  name - name of column

  jdbcTypeId - JDBC type id from java.sql.Types

  nullability - Whether or not column accepts nulls.

• getColumn

  static SystemColumn getColumn​(java.lang.String name,
                                int jdbcTypeId,
                                boolean nullability,
                                int maxLength)

  Create a system column for a builtin type.

  Parameters:

  name - name of column

  jdbcTypeId - JDBC type id from java.sql.Types

  nullability - Whether or not column accepts nulls.

• getIdentifierColumn

  static SystemColumn getIdentifierColumn​(java.lang.String name,
                                          boolean nullability)

  Create a system column for an identifer with consistent type of VARCHAR(128)

  Parameters:

  name - Name of the column.

  nullability - Nullability of the column.

  Returns:

  Object representing the column.

• getUUIDColumn

  static SystemColumn getUUIDColumn​(java.lang.String name,
                                    boolean nullability)

  Create a system column for a character representation of a UUID with consistent type of CHAR(36)

  Parameters:

  name - Name of the column.

  nullability - Nullability of the column.

  Returns:

  Object representing the column.

• getIndicatorColumn

  static SystemColumn getIndicatorColumn​(java.lang.String name)

  Create a system column for a character representation of an indicator column with consistent type of CHAR(1) NOT NULL

  Parameters:

  name - Name of the column.

  Returns:

  Object representing the column.

• getJavaColumn

  static SystemColumn getJavaColumn​(java.lang.String name,
                                    java.lang.String javaClassName,
                                    boolean nullability)
                             throws StandardException

  Create a system column for a java column.

  Parameters:

  name - Name of the column.

  javaClassName -

  nullability - Nullability of the column.

  Returns:

  Object representing the column.

  Throws:

  StandardException

• getName

  public java.lang.String getName()

  Gets the name of this column.

  Specified by:

  getName in interface SystemColumn

  Returns:

  The column name.

• getType

  public DataTypeDescriptor getType()

  Return the type of this column.

  Specified by:

  getType in interface SystemColumn