Method policy_exists

nodedb/src/control/security/rls/replication.rs:51–58

Check whether a policy with the given name already exists on the given (tenant, collection). Used by the handler pre-check before proposing `PutRlsPolicy`.

(&self, tenant_id: u64, collection: &str, policy_name: &str)

    /// on the given (tenant, collection). Used by the handler
    /// pre-check before proposing `PutRlsPolicy`.
    pub fn policy_exists(&self, tenant_id: u64, collection: &str, policy_name: &str) -> bool {
        let key = policy_key(tenant_id, collection);
        let policies = self.lock_read();
        policies
            .get(&key)
            .map(|list| list.iter().any(|p| p.name == policy_name))
            .unwrap_or(false)
    }
}