/**
* Compares the specified object with this set for equality.
*
* For the time being, this just checks the hashcodes to make sure they are equivalent
*/
public function equals(Object $o)
{
if ($o instanceof AbstractSet) {
if ($o->hashCode() == $this->hashCode()) {
return true;
}
}
return false;
}
/**
* Compares the specified object with this map for equality.
*/
public function equals(Object $o)
{
if ($o instanceof AbstractCollection) {
foreach ($this->map as $key => $value) {
if (!$o->containsKey($key) || !$o->containsValue($value)) {
return false;
}
}
return true;
}
return false;
}
/**
* Compares the specified object with this list for equality. Returns
* <tt>true</tt> if and only if the specified object is also a list, both
* lists have the same size, and all corresponding pairs of elements in
* the two lists are <i>equal</i>. (Two elements <tt>e1</tt> and
* <tt>e2</tt> are <i>equal</i> if <tt>(e1==null ? e2==null :
* e1.equals(e2))</tt>.) In other words, two lists are defined to be
* equal if they contain the same elements in the same order.<p>
*
* This implementation first checks if the specified object is this
* list. If so, it returns <tt>true</tt>; if not, it checks if the
* specified object is a list. If not, it returns <tt>false</tt>; if so,
* it iterates over both lists, comparing corresponding pairs of elements.
* If any comparison returns <tt>false</tt>, this method returns
* <tt>false</tt>. If either iterator runs out of elements before the
* other it returns <tt>false</tt> (as the lists are of unequal length);
* otherwise it returns <tt>true</tt> when the iterations complete.
*
* @param object The object to be compared for equality with this list.
* @return boolean <tt>true</tt> if the specified object is equal to this list.
* @access public
*/
public function equals(Object $object)
{
if (!$object instanceof AbstractList) {
return false;
}
if ($object->size() != $this->size()) {
return false;
}
for ($i = 0; $i < $this->size(); $i++) {
if ($object->list[$i] != $this->list[$i]) {
return false;
}
}
return true;
}
/**
* Compares two dates for equality.
*
* Compares the toString() quanitity for each object
*/
public function equals(Object $obj)
{
if ($obj->toString() == $this->toString()) {
return true;
}
return false;
}
public function isInstance(Object $obj)
{
$className = $obj->getClass()->getName();
if (is_string($this->_class)) {
return is_subclass_of($obj, get_parent_class($this->_class));
}
if ($inst instanceof $className) {
return true;
}
return false;
}
/**
* Removes the first occurrence of the specified element in this list.
*/
public function remove1(Object $o)
{
if ($o == null) {
for ($e = $this->header->next; $e != $this->header; $e = $e->next) {
if ($e->element == null) {
$this->remove($e);
return true;
}
}
} else {
for ($e = $this->header->next; $e != $this->header; $e = $e->next) {
if ($o->equals($e->element)) {
$this->remove($e);
return true;
}
}
}
return false;
}
