/interpreter/tags/at_build150307/src/edu/vub/at/objects/symbiosis/ATJavaClosure.java

http://ambienttalk.googlecode.com/ · Java · 59 lines · 8 code · 4 blank · 47 comment · 0 complexity · 780e595e033889d877f5d64bc3ff6288 MD5 · raw file

  1. /**
  2. * AmbientTalk/2 Project
  3. * ATJavaClosure.java created on 14-nov-2006 at 13:17:33
  4. * (c) Programming Technology Lab, 2006 - 2007
  5. * Authors: Tom Van Cutsem & Stijn Mostinckx
  6. *
  7. * Permission is hereby granted, free of charge, to any person
  8. * obtaining a copy of this software and associated documentation
  9. * files (the "Software"), to deal in the Software without
  10. * restriction, including without limitation the rights to use,
  11. * copy, modify, merge, publish, distribute, sublicense, and/or
  12. * sell copies of the Software, and to permit persons to whom the
  13. * Software is furnished to do so, subject to the following
  14. * conditions:
  15. *
  16. * The above copyright notice and this permission notice shall be
  17. * included in all copies or substantial portions of the Software.
  18. *
  19. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  21. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  23. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26. * OTHER DEALINGS IN THE SOFTWARE.
  27. */
  28. package edu.vub.at.objects.symbiosis;
  29. import edu.vub.at.exceptions.InterpreterException;
  30. import edu.vub.at.exceptions.XSymbiosisFailure;
  31. import edu.vub.at.objects.ATClosure;
  32. import edu.vub.at.objects.ATObject;
  33. /**
  34. * The public interface to a closure pairing a Java wrapper object with a symbiotic Java method.
  35. *
  36. * @author tvcutsem
  37. */
  38. public interface ATJavaClosure extends ATClosure {
  39. /**
  40. * Using this method, AmbientTalk symbiotic code is able to perform manual overloaded method disambiguation.
  41. * When evaluating <tt>javaObject.methodName</tt>, the result is a java closure wrapping all of the overloaded
  42. * methods whose name corresponds to <tt>methodName</tt>. Sometimes, the symbiosis layer is not able
  43. * to disambiguate methods simply by means of the types of the actual arguments. In that case,
  44. * this 'cast' method can be used to manually disambiguate methods as follows:
  45. * <tt>jObject.methodName.cast(JClass1, JClass2)(arg1, arg2)</tt>.
  46. *
  47. * <tt>jObject.methodName.cast(JClass1, JClass2)</tt> evaluates to a java closure that only
  48. * contains those overloaded methods whose parameter types exactly match the ones given.
  49. *
  50. * @param types an array of JavaClass objects
  51. * @return a new JavaClosure where the wrapped overloaded methods correspond to the given types
  52. * @throws XSymbiosisFailure when no wrapped methods correspond to the given types
  53. */
  54. public ATClosure base_cast(ATObject[] types) throws InterpreterException;
  55. }