/** Resolve to compare objects but do not modify list */
@Override
public boolean contains(Object object) {
if (isEObject()) {
if (size > 4) {
if (!isInstance(object)) {
return false;
} else if (isContainment()) {
InternalEObject eObject = (InternalEObject) object;
EObject eContainer = eObject.eContainer();
boolean result =
eContainer == owner
&& (hasNavigableInverse()
? eObject.eBaseStructuralFeatureID(eObject.eContainerFeatureID(), dataClass)
== getInverseFeatureID()
: InternalEObject.EOPPOSITE_FEATURE_BASE - eObject.eContainerFeatureID()
== getFeatureID());
if (hasProxies() && !result && eContainer == null && eObject.eDirectResource() != null) {
for (int i = 0; i < size; ++i) {
EObject containedEObject = resolveProxy((EObject) data[i]);
if (containedEObject == object) {
return true;
}
}
}
return result;
}
// We can also optimize single valued reverse.
//
else if (hasNavigableInverse() && !hasManyInverse()) {
Object opposite = ((EObject) object).eGet(getInverseEReference());
if (opposite == owner) {
return true;
} else if (opposite == null || !((EObject) opposite).eIsProxy()) {
return false;
}
}
}
boolean result = super.contains(object);
if (hasProxies() && !result) {
for (int i = 0; i < size; ++i) {
EObject eObject = resolveProxy((EObject) data[i]);
if (eObject == object) {
return true;
}
}
}
return result;
} else {
return super.contains(object);
}
}
