/*@ public normal_behavior
@ requires othMap != null && errval != null;
@ requires int_size()
@ <= Integer.MAX_VALUE - othMap.difference(this).int_size();
@ ensures (\forall JMLObjectValuePair pair; ;
@ \result.theRelation.has(pair)
@ ==
@ (!othMap.isDefinedAt(pair.key)
@ && this.elementImage(pair.key).has(pair.value))
@ || (!this.isDefinedAt(pair.key)
@ && othMap.elementImage(pair.key)
@ .has(pair.value))
@ || (this.isDefinedAt(pair.key)
@ && othMap.isDefinedAt(pair.key)
@ && pair.value .equals(errval))
@ );
@ implies_that
@ requires othMap != null && errval != null;
@*/
public /*@ non_null @*/ JMLObjectToValueMap clashReplaceUnion(
JMLObjectToValueMap othMap, JMLType errval) throws IllegalStateException {
JMLObjectSet overlap = this.domain_.intersection(othMap.domain_);
Enumeration overlapEnum = overlap.elements();
othMap = othMap.restrictedTo(othMap.domain_.difference(overlap));
JMLObjectToValueMap newMap = this.restrictedTo(this.domain_.difference(overlap));
JMLObjectToValueRelation newRel;
if (newMap.size_ <= Integer.MAX_VALUE - othMap.size_) {
newRel =
new JMLObjectToValueRelation(
newMap.imagePairSet_.union(othMap.imagePairSet_),
newMap.domain_.union(othMap.domain_),
newMap.size_ + othMap.size_);
} else {
throw new IllegalStateException(TOO_BIG_TO_UNION);
}
Object dv;
while (overlapEnum.hasMoreElements()) {
// @ assume overlapEnum.moreElements;
Object oo = overlapEnum.nextElement();
// @ assume oo != null && oo instanceof Object;
dv = (Object) oo;
newRel = newRel.add(dv, errval);
}
return newRel.toFunction();
} // @ nowarn Exception;
/*@ public normal_behavior
@ requires dv != null && rv != null;
@ requires !isDefinedAt(dv) ==> int_size() < Integer.MAX_VALUE;
@ ensures \result.equals(this.removeDomainElement(dv).add(dv, rv));
@*/
public /*@ non_null @*/ JMLObjectToValueMap extend(
/*@ non_null @*/ Object dv, /*@ non_null @*/ JMLType rv) {
JMLObjectToValueMap newMap = this.removeDomainElement(dv);
newMap = newMap.disjointUnion(new JMLObjectToValueMap(dv, rv));
return newMap;
} // @ nowarn Exception;