last bits for 112105

2 files changed, 174 insertions, 1 deletions

diff --git a/tests/java5/generics/genericaspects/GenericAspectY.aj b/tests/java5/generics/genericaspects/GenericAspectY.aj
index 177344664..b3c5bc451 100644
--- a/tests/java5/generics/genericaspects/GenericAspectY.aj
+++ b/tests/java5/generics/genericaspects/GenericAspectY.aj
@@ -95,7 +95,7 @@ import org.aspectj.lang.annotation.*;
 
           }
           
-aspect GenericAspectX extends ParentChildRelationship<Top,Bottom> { 
+aspect GenericAspectY extends ParentChildRelationship<Top,Bottom> { 
 
     // Advice to trigger weave infos
 	before(Top p): /*ParentChildRelationship.*/addingChildSimple(p) {}
diff --git a/tests/java5/generics/genericaspects/GenericAspectZ.aj b/tests/java5/generics/genericaspects/GenericAspectZ.aj
new file mode 100644
index 000000000..3a6e26b57
--- /dev/null
+++ b/tests/java5/generics/genericaspects/GenericAspectZ.aj
@@ -0,0 +1,173 @@
+import java.util.*;
+import java.lang.reflect.*;
+import org.aspectj.lang.annotation.*;
+
+          /** 
+           * a generic aspect, we've used descriptive role names for the type variables
+           * (Parent and Child) but you could use anything of course
+           */
+          /*public */ abstract aspect ParentChildRelationship<Parent,Child> {
+
+            /** generic interface implemented by parents */   
+            interface ParentHasChildren<C extends ChildHasParent>{
+              List<C> getChildren();
+              void addChild(C child);
+              void removeChild(C child);
+            }
+
+            /** generic interface implemented by children */
+            interface ChildHasParent<P extends ParentHasChildren>{
+              P getParent();
+              void setParent(P parent);
+            }
+          
+            /** ensure the parent type implements ParentHasChildren<child type> */
+            declare parents: Parent implements ParentHasChildren<Child>;
+          
+            /** ensure the child type implements ChildHasParent<parent type> */
+            declare parents: Child implements ChildHasParent<Parent>;
+          
+            // Inter-type declarations made on the *generic* interface types to provide 
+            // default implementations.
+          
+            /** list of children maintained by parent */
+            public List<C> ParentHasChildren<C>.children = new ArrayList<C>();
+          
+            /** reference to parent maintained by child */        
+            public P ChildHasParent<P>.parent;
+          
+            /** Default implementation of getChildren for the generic type ParentHasChildren */
+            public List<C> ParentHasChildren<C>.getChildren() {
+                  return Collections.unmodifiableList(children);  
+            }
+          
+            /** Default implementation of getParent for the generic type ChildHasParent */    
+            public P ChildHasParent<P>.getParent() {
+                 return parent;
+            }
+          
+            /** 
+              * Default implementation of addChild, ensures that parent of child is
+              * also updated.
+              */ 
+            public void ParentHasChildren<C>.addChild(C child) {
+                 if (child.parent != null) {
+                   child.parent.removeChild(child);
+                 }
+                 children.add(child);
+                 child.parent = this;
+              }
+          
+             /**
+               * Default implementation of removeChild, ensures that parent of
+               * child is also updated.
+               */
+             public void ParentHasChildren<C>.removeChild(C child) {
+                 if (children.remove(child)) {
+                   child.parent = null;
+                 }
+              }
+          
+              /**
+                * Default implementation of setParent for the generic type ChildHasParent.
+                * Ensures that this child is added to the children of the parent too.
+                */
+              public void ChildHasParent<P>.setParent(P parent) {
+                 parent.addChild(this);
+              }
+                        
+              /**
+               * Matches at an addChild join point for the parent type P and child type C
+               */    
+             public pointcut addingChild(Parent p, Child c) :
+               execution(* ParentHasChildren.addChild(ChildHasParent)) && this(p) && args(c);
+               
+              /**
+                * Matches at a removeChild join point for the parent type P and child type C
+                */    
+              public pointcut removingChild(Parent p, Child c) :
+                execution(* ParentHasChildren.removeChild(ChildHasParent)) && this(p) && args(c);
+
+          }
+          
+aspect GenericAspectZ extends ParentChildRelationship<Top,Bottom> { 
+	
+    before(Top p,Bottom c): addingChild(p,c) {}
+    before(Top p,Bottom c): removingChild(p,c) {}
+
+  public static void main(String []argv) {
+
+    // Check the state of top
+    Top t = new Top();
+    check(t instanceof ParentHasChildren,"Top should implement ParentHasChildren");
+    Type[] intfs = Top.class.getGenericInterfaces();
+    check(intfs[0] instanceof ParameterizedType,
+          "Expected Top to have parameterized interface but found "+intfs[0]);
+    ParameterizedType pt = (ParameterizedType) intfs[0];
+    Type[] tArgs = pt.getActualTypeArguments();
+    check(tArgs[0]==Bottom.class,
+          "Expecting Bottom parameter but found " + tArgs[0]);
+
+
+    // Check the state of top
+    Bottom b = new Bottom();
+    check(b instanceof ChildHasParent,"Bottom should implement ChildHasParent");
+    intfs = Bottom.class.getGenericInterfaces();
+    check(intfs[0] instanceof ParameterizedType,
+          "Expected Bottom to have parameterized interface but found "+intfs[0]);
+    pt = (ParameterizedType) intfs[0];
+    tArgs = pt.getActualTypeArguments();
+    check(tArgs[0]==Top.class,
+          "Expecting Top parameter but found " + tArgs[0]);
+
+
+
+
+    // Field fiddling
+    b.parent = t;
+    List<Bottom> kids = new ArrayList<Bottom>();
+    kids.add(b);
+    t.children = kids;
+
+
+    // start using the methods
+    List<Bottom> kids2 = t.getChildren();
+    check(kids2.size()==1,
+      "Expected one child of the Top but found "+kids2.size());
+    check(kids2.get(0).equals(b),
+      "Expected one child of the Top which was what we put in there!"+kids2.get(0));
+
+    // and the parent methods
+    Top retrievedParent = b.getParent();
+    check(retrievedParent==t,
+      "parent check 1 failed "+
+      "retrieved="+retrievedParent+"  expected="+t);
+
+
+    Top top2 = new Top();
+    b.setParent(top2);
+    Top retrievedParent2 = b.getParent();
+    check(retrievedParent2==top2,
+      "parent check 2 failed "+
+      "retrieved="+retrievedParent2+"  expected="+top2);
+    
+    Top top3 = new Top();
+    Bottom bot2 = new Bottom();
+    top3.addChild(bot2);
+    Bottom aBottom = top3.getChildren().get(0);
+    check(aBottom==bot2,"Incorrect child? expected="+bot2+" found="+aBottom);
+    top3.removeChild(bot2);
+    int size=top3.getChildren().size();
+    check(size==0,"Should be no children but there were "+size);
+
+
+  }
+
+  public static void check(boolean b,String msg) {
+    if (!b) throw new RuntimeException(msg);
+  }
+}
+
+class Top {}
+class Bottom {}
+