Constructor Detail

• Comparison

  public Comparison​(ADQLOperand left,
                    ComparisonOperator comp,
                    ADQLOperand right)
             throws java.lang.NullPointerException,
                    java.lang.UnsupportedOperationException

  Creates a comparison between two operands.

  Parameters:

  left - The left part.

  comp - The comparison symbol.

  right - The right part.

  Throws:

  java.lang.NullPointerException - If one of the given parameter is null.

  java.lang.UnsupportedOperationException - If the type of operands and of the operator are incompatibles.

  See Also:

  setLeftOperand(ADQLOperand), setRightOperand(ADQLOperand)

• Comparison

  public Comparison​(Comparison toCopy)
             throws java.lang.Exception

  Builds a comparison by copying the given one.

  Parameters:

  toCopy - The comparison to copy.

  Throws:

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

Method Detail

• getLeftOperand

  public final ADQLOperand getLeftOperand()

  Gets the left part of the comparison.

  Returns:

  The left operand.

• setLeftOperand

  public void setLeftOperand​(ADQLOperand newLeftOperand)
                      throws java.lang.NullPointerException,
                             java.lang.UnsupportedOperationException

  Changes the left operand of this comparison.

  Parameters:

  newLeftOperand - The new left operand.

  Throws:

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

  java.lang.UnsupportedOperationException - If the type of the given operand is incompatible with the right operand and/or with the comparison operator.

• getOperator

  public ComparisonOperator getOperator()

  Gets the comparison symbol.

  Returns:

  The comparison operator.

• setOperation

  public void setOperation​(ComparisonOperator newOperation)
                    throws java.lang.NullPointerException,
                           java.lang.UnsupportedOperationException

  Changes the type of this operation.

  Parameters:

  newOperation - The new operation type.

  Throws:

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

  java.lang.UnsupportedOperationException - If the given type is incompatible with the two operands.

• getRightOperand

  public ADQLOperand getRightOperand()

  Gets the right part of the comparison.

  Returns:

  The right operand.

• setRightOperand

  public void setRightOperand​(ADQLOperand newRightOperand)
                       throws java.lang.NullPointerException,
                              java.lang.UnsupportedOperationException

  Changes the right operand of this comparison.

  Parameters:

  newRightOperand - The new right operand.

  Throws:

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

  java.lang.UnsupportedOperationException - If the type of the given operand is incompatible with the left operand and/or with the comparison operator.

• 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)

  Set the position of this Comparison in the given ADQL query string.

  Parameters:

  position - New position of this Comparison.

  Since:

  1.4

• 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.