cc.otavia.postgres.impl.RowOffset.scala Maven / Gradle / Ivy

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/*
 * Copyright 2022 Yan Kun 
 *
 * Licensed 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 cc.otavia.postgres.impl

import cc.otavia.core.cache.{ActorThreadIsolatedObjectPool, Poolable, ThreadLocalTimer}
import cc.otavia.core.timer.TimeoutTrigger

import java.util.concurrent.TimeUnit

private[postgres] class RowOffset extends Poolable {

    private var off: Int = 0
    private var len: Int = -1

    def offset: Int = off

    def length: Int = len

    override def recycle(): Unit = RowOffset.pool.recycle(this)

    override protected def cleanInstance(): Unit = {
        off = 0
        len = -1
    }

    override def toString: String = s"RowOffset(off=${off}, len=${len})"

}

object RowOffset {

    def apply(offset: Int, length: Int): RowOffset = {
        val rowOffset = pool.get()
        rowOffset.off = offset
        rowOffset.len = length
        rowOffset
    }

    private val pool: ActorThreadIsolatedObjectPool[RowOffset] = new ActorThreadIsolatedObjectPool[RowOffset] {

        override protected def newObject(): RowOffset = new RowOffset

    }

}