org.eclipse.ocl.examples.library.string
Class StringAtOperation

java.lang.Object
  extended by org.eclipse.ocl.examples.library.AbstractFeature
      extended by org.eclipse.ocl.examples.library.AbstractOperation
          extended by org.eclipse.ocl.examples.library.AbstractBinaryOperation
              extended by org.eclipse.ocl.examples.library.string.StringAtOperation
All Implemented Interfaces:
LibraryBinaryOperation, LibraryFeature, LibraryOperation, CallableImplementation, Value.BinaryOperation

public class StringAtOperation
extends AbstractBinaryOperation

StringAtOperation realises the String::at() library operation.

Since:
3.1

Field Summary
static StringAtOperation INSTANCE
           
 
Constructor Summary
StringAtOperation()
           
 
Method Summary
 Value evaluate(ValueFactory valueFactory, Value left, Value right)
          Return the result of evaluating the operation on left and right arguments.
 
Methods inherited from class org.eclipse.ocl.examples.library.AbstractBinaryOperation
evaluate
 
Methods inherited from class org.eclipse.ocl.examples.library.AbstractOperation
evaluate, evaluateArgument, getNumArguments
 
Methods inherited from class org.eclipse.ocl.examples.library.AbstractFeature
validate
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.ocl.examples.pivot.evaluation.CallableImplementation
evaluate, validate
 

Field Detail

INSTANCE

public static final StringAtOperation INSTANCE
Constructor Detail

StringAtOperation

public StringAtOperation()
Method Detail

evaluate

public Value evaluate(ValueFactory valueFactory,
                      Value left,
                      Value right)
               throws InvalidValueException
Description copied from interface: LibraryBinaryOperation
Return the result of evaluating the operation on left and right arguments. An invalid return may be indicated by throwing an exception returning Java null or OCL invalid.

left - left argument
right - argument
Returns:
the evaluated value
Throws:
InvalidValueException