result = prime * result + ((componentType == null) ? 0 : componentType.hashCode());
result = prime * result + ((expression == null) ? 0 : expression.hashCode());
result = prime * result + ((indexRoot == null) ? 0 : indexRoot.hashCode());
result = prime * result + ((componentType == null) ? 0 : componentType.hashCode());
result = prime * result + ((expression == null) ? 0 : expression.hashCode());
result = prime * result + ((indexRoot == null) ? 0 : indexRoot.hashCode());