Constructor Detail

• NegativeOperand

  public NegativeOperand​(ADQLOperand operand)
                  throws java.lang.NullPointerException,
                         java.lang.UnsupportedOperationException

  Builds an operand which will negativate the given operand.

  Important: The given operand must be numeric (ADQLOperand.isNumeric() must return true) !

  Parameters:

  operand - The operand to negativate.

  Throws:

  java.lang.NullPointerException - If the given operand is null.

  java.lang.UnsupportedOperationException - If the given operand is not numeric (if ADQLOperand.isNumeric() does not return true).

Method Detail

• getOperand

  public final ADQLOperand getOperand()

  Gets the operand on which the minus sign is applied.

  Returns:

  The negativated operand.

• isNumeric

  public final boolean isNumeric()

  Always returns true.

  Specified by:

  isNumeric in interface ADQLOperand

  Returns:

  true if this operand is numeric, false otherwise.

  See Also:

  ADQLOperand.isNumeric()

• isString

  public final boolean isString()

  Always returns false.

  Specified by:

  isString in interface ADQLOperand

  Returns:

  true if this operand is a string, false otherwise.

  See Also:

  ADQLOperand.isString()

• getPosition

  public final TextPosition getPosition()

  Description copied from interface: ADQLObject

  Gets the position of this object/token in the ADQL query.

  By default, no position should be set.

  Specified by:

  getPosition in interface ADQLObject

  Returns:

  Position of this ADQL item in the ADQL query, or NULL if not written originally in the query (for example, if added afterwards.

• setPosition

  public final void setPosition​(TextPosition position)

  Sets the position at which this NegativeOperand has been found in the original ADQL query string.

  Parameters:

  position - Position of this NegativeOperand.

  Since:

  1.4

• isGeometry

  public final boolean isGeometry()

  Always returns false.

  Specified by:

  isGeometry in interface ADQLOperand

  Returns:

  true if this operand is a geometry, false otherwise.

  See Also:

  ADQLOperand.isGeometry()

• getCopy

  public ADQLObject getCopy()
                     throws java.lang.Exception

  Description copied from interface: ADQLObject
  Gets a (deep) copy of this ADQL object.

  Specified by:

  getCopy in interface ADQLObject

  Returns:

  The copy of this ADQL object.

  Throws:

  java.lang.Exception - If there is any error during the copy.

• getName

  public java.lang.String getName()

  Description copied from interface: ADQLObject
  Gets the name of this object in ADQL.

  Specified by:

  getName in interface ADQLObject

  Returns:

  The name of this ADQL object.

• adqlIterator

  public ADQLIterator adqlIterator()

  Description copied from interface: ADQLObject

  Gets an iterator on the intern ADQL objects.

  Note:The returned iterator is particularly used by a ISearchHandler extension to browse a whole ADQL tree.

  Specified by:

  adqlIterator in interface ADQLObject

  Returns:

  An ADQL objects iterator.

  See Also:

  ADQLIterator, ISearchHandler

• toADQL

  public java.lang.String toADQL()

  Description copied from interface: ADQLObject
  Gets the ADQL expression of this object.

  Specified by:

  toADQL in interface ADQLObject

  Returns:

  The corresponding ADQL expression.