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Posted to commons-dev@ws.apache.org by ch...@apache.org on 2006/06/07 08:07:06 UTC
svn commit: r412300 -
/webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java
Author: chinthaka
Date: Tue Jun 6 23:07:05 2006
New Revision: 412300
URL: http://svn.apache.org/viewvc?rev=412300&view=rev
Log:
- more comments to the code
- removed unnecessary normalization call
Modified:
webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java
Modified: webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java
URL: http://svn.apache.org/viewvc/webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java?rev=412300&r1=412299&r2=412300&view=diff
==============================================================================
--- webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java (original)
+++ webservices/commons/trunk/modules/neethi/src/org/apache/ws/policy/PrimitiveAssertion.java Tue Jun 6 23:07:05 2006
@@ -74,44 +74,51 @@
public Assertion intersect(Assertion assertion, PolicyRegistry reg) {
log.debug("Enter: PrimitveAssertion:intersect");
- Assertion normalizedMe = (isNormalized()) ? this : normalize(reg);
+ // first check whether self is normalized.
+ Assertion normalizedMe = (isNormalized()) ? this : normalize(reg);
- if (!(normalizedMe instanceof PrimitiveAssertion)) {
+ // if normalization made me to some other form than a primitive assertion, then let the new form
+ // handle the intersection
+ if (!(normalizedMe instanceof PrimitiveAssertion)) {
return normalizedMe.intersect(assertion, reg);
}
- Assertion target = (assertion.isNormalized()) ? assertion : assertion
+ // now normalize the passed argument
+ Assertion target = (assertion.isNormalized()) ? assertion : assertion
.normalize(reg);
- // Am not a primitive assertion anymore ..
- if (!(assertion instanceof PrimitiveAssertion)) {
- return normalizedMe.intersect(assertion, reg);
- }
-
// argument is not primitive type ..
if (!(target instanceof PrimitiveAssertion)) {
return target.intersect(normalizedMe, reg);
}
- PrimitiveAssertion arg = (PrimitiveAssertion) target;
+ PrimitiveAssertion arg = (PrimitiveAssertion) target;
PrimitiveAssertion self = (PrimitiveAssertion) normalizedMe;
- if (!self.getName().equals(arg.getName())) {
+ // first, if the two names are not equal these can not be intersect and should return an ExactlyOne.
+ if (!self.getName().equals(arg.getName())) {
return new ExactlyOne(); // no bahaviour is admisible
}
- if (self.getTerms().isEmpty() && arg.getTerms().isEmpty()) {
+ // now the two names are equal.
+
+ // Now one or both of these assertions may contain a Policy element or Primitive assertion inside this.
+ // Lets take the case where both the assertions do not contain a Policy inside this. So this will intersect to an ALL,
+ // which both the primitive assertions as child elements.
+ if (self.getTerms().isEmpty() && arg.getTerms().isEmpty()) {
All assertion2 = new All();
assertion2.addTerm(self);
assertion2.addTerm(arg);
return assertion2;
}
- if (self.getTerms().isEmpty() || arg.getTerms().isEmpty()) {
+ // if one of them is empty and the other is not, then this can not be intersected.
+ if (self.getTerms().isEmpty() || arg.getTerms().isEmpty()) {
return new ExactlyOne(); // no
}
- List argChildTerms;
+ // now both the assertions contain Policy elements or Primitive assertion inside them
+ List argChildTerms;
if (arg.getTerms().get(0) instanceof Policy) {
argChildTerms = PolicyUtil.getPrimTermsList((Policy) arg.getTerms()
.get(0));
@@ -140,8 +147,6 @@
primListA = argChildTerms;
primListB = selfChildTerms;
}
-
- boolean isIntersect = false;
for (Iterator iterator = primListA.iterator(); iterator.hasNext();) {
PRIMITIVE_A = (PrimitiveAssertion) iterator.next();
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