@Override public String toString() { ToStringBuilder b = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE); b.append("paramName", getParamName()); b.append("resourceId", getResourcePid()); b.append("system", getSystem()); b.append("units", getUnits()); b.append("value", getValue()); b.append("missing", isMissing()); b.append("hashIdentitySystemAndUnits", myHashIdentitySystemAndUnits); return b.build(); }