| /* |
| * Copyright 2019 WeBank |
| * 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 com.webank.wedatasphere.linkis.hadoop.common.entity |
| |
| import com.webank.wedatasphere.linkis.hadoop.common.conf.HadoopConf |
| import org.apache.hadoop.fs.FileSystem |
| |
| class HDFSFileSystemContainer(fs: FileSystem, user: String) { |
| |
| private var lastAccessTime: Long = System.currentTimeMillis() |
| |
| private var count: Int = 0 |
| |
| def getFileSystem: FileSystem = this.fs |
| |
| def getUser: String = this.user |
| |
| def getLastAccessTime: Long = this.lastAccessTime |
| |
| def updateLastAccessTime: Unit = { |
| this.lastAccessTime = System.currentTimeMillis() |
| } |
| |
| def addAccessCount(): Unit = { |
| count = count + 1 |
| } |
| |
| def minusAccessCount(): Unit = count = count -1 |
| |
| def canRemove(): Boolean = { |
| val currentTime = System.currentTimeMillis() |
| val idleTime = currentTime - this.lastAccessTime |
| idleTime > HadoopConf.HDFS_ENABLE_CACHE_MAX_TIME || (System.currentTimeMillis() - this.lastAccessTime > HadoopConf.HDFS_ENABLE_CACHE_IDLE_TIME) && count <= 0 |
| } |
| |
| } |
