Class AbstractField

All Implemented Interfaces:
Expression, Field, QueryObject
Direct Known Subclasses:
FieldImpl, ProjectionImpl, SchemaImpl

public abstract class AbstractField extends AbstractExpression implements Field
Abstract base class for Field, Schema and Projection.
Since:
1.3
Version:
$Revision: 7121 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
Author:
Udai Gupta, Ralf Joachim
  • Constructor Details

    • AbstractField

      public AbstractField()
  • Method Details

    • field

      public final Field field(String name)
      The method for field object creation of query objects.
      Specified by:
      field in interface Field
      Parameters:
      name - the String name
      Returns:
      the field
    • in

      public final InCondition in()
      In.
      Specified by:
      in in interface Field
      Returns:
      the in condition
    • notIn

      public final InCondition notIn()
      Not in.
      Specified by:
      notIn in interface Field
      Returns:
      the in condition
    • isNull

      public final Condition isNull()
      Checks if is null.
      Specified by:
      isNull in interface Field
      Returns:
      the condition
    • isNotNull

      public final Condition isNotNull()
      Checks if is not null.
      Specified by:
      isNotNull in interface Field
      Returns:
      the condition