in src/main/java/org/apache/commons/collections4/bidimap/TreeBidiMap.java [1348:1374]
private boolean doEquals(final Object obj, final DataElement dataElement) {
if (obj == this) {
return true;
}
if (!(obj instanceof Map)) {
return false;
}
final Map<?, ?> other = (Map<?, ?>) obj;
if (other.size() != size()) {
return false;
}
if (nodeCount > 0) {
try {
for (final MapIterator<?, ?> it = getMapIterator(dataElement); it.hasNext(); ) {
final Object key = it.next();
final Object value = it.getValue();
if (!value.equals(other.get(key))) {
return false;
}
}
} catch (final ClassCastException | NullPointerException ex) {
return false;
}
}
return true;
}