Constructor Detail

• KeywordExpressionStateObject

  public KeywordExpressionStateObject​(StateObject parent)

  Creates a new KeywordExpressionStateObject.

  Parameters:

  parent - The parent of this state object, which cannot be null

  Throws:

  NullPointerException - The given parent cannot be null

• KeywordExpressionStateObject

  public KeywordExpressionStateObject​(StateObject parent,
                                      String text)

  Creates a new KeywordExpressionStateObject.

  Parameters:

  parent - The parent of this state object, which cannot be null

  text - Either TRUE, FALSE or NULL

  Throws:

  NullPointerException - The given parent cannot be null

Method Detail

• accept

  public void accept​(StateObjectVisitor visitor)

  Visits this StateObject by the given visitor.

  Parameters:

  visitor - The visitor to visit this object

• getExpression

  public KeywordExpression getExpression()

  Returns the actual parsed object if this StateObject representation of the JPQL query was created by parsing an existing JPQL query.

  Specified by:

  getExpression in interface StateObject

  Overrides:

  getExpression in class AbstractStateObject

  Returns:

  The parsed object when a JPQL query is parsed and converted into a StateObject or null when the JPQL query is manually created (i.e. not from a string)

• setExpression

  public void setExpression​(KeywordExpression expression)

  Keeps a reference of the parsed object object, which should only be done when this object is instantiated during the conversion of a parsed JPQL query into StateObjects.

  Parameters:

  expression - The parsed object representing one of the three possible keyword: TRUE, FALSE or NULL

• setText

  public void setText​(String text)

  Sets the text held by this state object.

  Overrides:

  setText in class SimpleStateObject

  Parameters:

  text - This model's text value