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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package session_test
import (
"log"
"github.com/apache/arrow-go/v18/arrow/flight"
"github.com/apache/arrow-go/v18/arrow/flight/flightsql"
"github.com/apache/arrow-go/v18/arrow/flight/session"
"github.com/google/uuid"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
func Example_defaultMiddleware() {
// Setup server with default session middleware
middleware := session.NewServerSessionMiddleware(nil)
srv := flight.NewServerWithMiddleware([]flight.ServerMiddleware{
flight.CreateServerMiddleware(middleware),
})
srv.RegisterFlightService(flightsql.NewFlightServer(&flightsql.BaseServer{}))
srv.Init("localhost:0")
go srv.Serve()
defer srv.Shutdown()
// Client will require cookie middleware in order to handle cookie-based server sessions
client, err := flightsql.NewClient(
srv.Addr().String(),
nil,
[]flight.ClientMiddleware{
flight.NewClientCookieMiddleware(),
},
grpc.WithTransportCredentials(insecure.NewCredentials()),
)
if err != nil {
log.Fatal(err)
}
defer client.Close()
}
func Example_customStatefulMiddleware() {
// Generate IDs for new sessions using provided function
factory := session.NewSessionFactory(uuid.NewString)
// Create a SessionStore to persist sessions.
// In-memory store is default; you may provide your own implementation.
store := session.NewSessionStore()
// Construct the middleware with the custom manager.
manager := session.NewStatefulServerSessionManager(session.WithFactory(factory), session.WithStore(store))
middleware := session.NewServerSessionMiddleware(manager)
_ = middleware // ... remaining setup is the same as DefaultMiddleware example
}
func Example_statelessMiddleware() {
// Construct the middleware with the stateless manager.
manager := session.NewStatelessServerSessionManager()
middleware := session.NewServerSessionMiddleware(manager)
_ = middleware // ... remaining setup is the same as DefaultMiddleware example
}
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