Field Detail

• DISTINCT_PROPERTY

  public static final String DISTINCT_PROPERTY

  Notifies the visibility of the DISTINCT identifier has changed.

  See Also:

  Constant Field Values

Method Detail

• getExpression

  public AggregateFunction 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 AbstractSingleEncapsulatedExpressionStateObject

  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)

• hasDistinct

  public boolean hasDistinct()

  Sets whether the DISTINCT keyword should be part of the query, which is used to return only distinct (different) values.

  Returns:

  true to add DISTINCT to the query in order to have distinct values; false if it is not required

• isEquivalent

  public boolean isEquivalent​(StateObject stateObject)

  Determines whether the given StateObject is equivalent to this one, i.e. the information of both StateObject is the same.

  Specified by:

  isEquivalent in interface StateObject

  Overrides:

  isEquivalent in class AbstractSingleEncapsulatedExpressionStateObject

  Parameters:

  stateObject - The StateObject to compare its content to this one

  Returns:

  true if both object are equivalent; false otherwise

• setDistinct

  public void setDistinct​(boolean distinct)

  Sets whether the DISTINCT keyword should be part of the query, which is used to return only distinct (different) values

  Parameters:

  distinct - true to add DISTINCT to the query in order to have distinct values; false if it is not required

• setStateObject

  public void setStateObject​(StateObject stateObject)

• toggleDistinct

  public void toggleDistinct()

  Reverses the visibility of the DISTINCT identifier.