@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        CircuitKey other = (CircuitKey) obj;
        if (apiId == null) {
            if (other.apiId != null)
                return false;
        } else if (!apiId.equals(other.apiId))
            return false;
        if (orgId == null) {
            if (other.orgId != null)
                return false;
        } else if (!orgId.equals(other.orgId))
            return false;
        if (version == null) {
            if (other.version != null)
                return false;
        } else if (!version.equals(other.version))
            return false;
        return true;
    }
@see java.lang.Object#equals(java.lang.Object)
plugins/circuit-breaker-policy/src/main/java/io/apiman/plugins/circuit_breaker/CircuitKey.java