@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        final WriteAccessSpecification other = (WriteAccessSpecification) obj;
        if (listOfProperties == null) {
            if (other.listOfProperties != null)
                return false;
        }
        else if (!listOfProperties.equals(other.listOfProperties))
            return false;
        if (objectIdentifier == null) {
            if (other.objectIdentifier != null)
                return false;
        }
        else if (!objectIdentifier.equals(other.objectIdentifier))
            return false;
        return true;
    }