driver-legacy/src/main/com/mongodb/CommandResult.java
public boolean ok() {
        Object okValue = get("ok");
        if (okValue instanceof Boolean) {
            return (Boolean) okValue;
        } else if (okValue instanceof Number) {
            return ((Number) okValue).intValue() == 1;
        } else {
            return false;
        }
    }
public boolean ok() {
        Object okValue = get("ok");
        if (okValue instanceof Boolean) {
            return (Boolean) okValue;
        } else if (okValue instanceof Number) {
            return ((Number) okValue).intValue() == 1;
        } else {
            return false;
        }
    }
Gets the "ok" field, which is whether this command executed correctly or not.

@return true if the command executed without error.