io.trino.jdbc.$internal.okhttp3.ConnectionPool.kt Maven / Gradle / Ivy
/*
* 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 okhttp3
import java.util.concurrent.TimeUnit
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.connection.RealConnectionPool
/**
* Manages reuse of HTTP and HTTP/2 connections for reduced network latency. HTTP requests that
* share the same [Address] may share a [Connection]. This class implements the policy
* of which connections to keep open for future use.
*
* @constructor Create a new connection pool with tuning parameters appropriate for a single-user
* application. The tuning parameters in this pool are subject to change in future OkHttp releases.
* Currently this pool holds up to 5 idle connections which will be evicted after 5 minutes of
* inactivity.
*/
class ConnectionPool internal constructor(
internal val delegate: RealConnectionPool
) {
constructor(
maxIdleConnections: Int,
keepAliveDuration: Long,
timeUnit: TimeUnit
) : this(RealConnectionPool(
taskRunner = TaskRunner.INSTANCE,
maxIdleConnections = maxIdleConnections,
keepAliveDuration = keepAliveDuration,
timeUnit = timeUnit
))
constructor() : this(5, 5, TimeUnit.MINUTES)
/** Returns the number of idle connections in the pool. */
fun idleConnectionCount(): Int = delegate.idleConnectionCount()
/** Returns total number of connections in the pool. */
fun connectionCount(): Int = delegate.connectionCount()
/** Close and remove all idle connections in the pool. */
fun evictAll() {
delegate.evictAll()
}
}