Package adql.query

Interface ADQLIterator

All Superinterfaces:
Iterator<ADQLObject>
All Known Implementing Classes:
ADQLList.ADQLListIterator, NullADQLIterator
public interface ADQLIterator extends Iterator<ADQLObject>

Lets iterating on all ADQL objects inside any ADQL object.

Any class implementing ADQLObject has the function ADQLObject.adqlIterator(). This function must return an instance of this class so that being able to iterate on all ADQL object inside itself.

See Also:

  • Method Details

    • replace

      void replace(ADQLObject replacer) throws UnsupportedOperationException, IllegalStateException
      Replaces the current ADQL object by the given ADQL object. This method can be called only one time per call to next.
      Parameters:
      replacer - The ADQL object which has to replace the current object.
      Throws:
      UnsupportedOperationException - If the replace operation is not supported by this ADQLIterator.
      IllegalStateException - If the next method has not yet been called, or the replace method has already been called after the last call to the next method.