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135
kyuubi-common/src/main/scala/org/apache/kyuubi/operation/AbstractOperation.scala
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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. | ||
| */ | ||
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| package org.apache.kyuubi.operation | ||
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| import org.apache.hive.service.rpc.thrift.{TProtocolVersion, TRowSet, TTableSchema} | ||
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| import org.apache.kyuubi.KyuubiSQLException | ||
| import org.apache.kyuubi.config.KyuubiConf | ||
| import org.apache.kyuubi.operation.FetchOrientation.FetchOrientation | ||
| import org.apache.kyuubi.operation.OperationType.OperationType | ||
| import org.apache.kyuubi.session.Session | ||
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| abstract class AbstractOperation(opType: OperationType, session: Session) extends Operation { | ||
| import OperationState._ | ||
| private final val handle = OperationHandle(opType, session.protocol) | ||
| private final val operationTimeout: Long = session.conf.get(KyuubiConf.OPERATION_IDLE_TIMEOUT) | ||
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| @volatile private var state: OperationState = INITIALIZED | ||
| @volatile protected var startTime: Long = _ | ||
| @volatile protected var completedTime: Long = _ | ||
| @volatile protected var lastAccessTime: Long = System.currentTimeMillis() | ||
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| @volatile protected var operationException: KyuubiSQLException = _ | ||
| @volatile protected var hasResultSet: Boolean = false | ||
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| protected def setHasResultSet(hasResultSet: Boolean): Unit = { | ||
| this.hasResultSet = hasResultSet | ||
| handle.setHasResultSet(hasResultSet) | ||
| } | ||
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| protected def setOperationException(opEx: KyuubiSQLException): Unit = { | ||
| this.operationException = opEx | ||
| } | ||
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| protected def setState(newState: OperationState): Unit = { | ||
| OperationState.validateTransition(state, newState) | ||
| state = newState | ||
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| state match { | ||
| case RUNNING => startTime = System.currentTimeMillis() | ||
| case ERROR | FINISHED | CANCELED => completedTime = System.currentTimeMillis() | ||
| case _ => | ||
| } | ||
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| lastAccessTime = System.currentTimeMillis() | ||
| } | ||
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| protected def isClosedOrCanceled: Boolean = { | ||
| state == OperationState.CLOSED || state == OperationState.CANCELED | ||
| } | ||
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| protected def assertState(state: OperationState): Unit = { | ||
| if (this.state ne state) { | ||
| throw new IllegalStateException(s"Expected state $state, but found ${this.state}") | ||
| } | ||
| lastAccessTime = System.currentTimeMillis() | ||
| } | ||
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| /** | ||
| * Verify if the given fetch orientation is part of the default orientation types. | ||
| */ | ||
| protected def validateDefaultFetchOrientation(orientation: FetchOrientation): Unit = { | ||
| validateFetchOrientation(orientation, Operation.DEFAULT_FETCH_ORIENTATION_SET) | ||
| } | ||
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| /** | ||
| * Verify if the given fetch orientation is part of the supported orientation types. | ||
| */ | ||
| private def validateFetchOrientation( | ||
| orientation: FetchOrientation, | ||
| supportedOrientations: Set[FetchOrientation]): Unit = { | ||
| if (!supportedOrientations.contains(orientation)) { | ||
| throw KyuubiSQLException(s"The fetch type $orientation is not supported for this resultset") | ||
| } | ||
| } | ||
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| protected def runInternal(): Unit | ||
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| protected def beforeRun(): Unit | ||
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| protected def afterRun(): Unit | ||
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| override def run(): Unit = { | ||
| beforeRun() | ||
| try { | ||
| runInternal() | ||
| } finally { | ||
| afterRun() | ||
| } | ||
| } | ||
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| override def cancel(): Unit | ||
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| override def close(): Unit | ||
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| override def getProtocolVersion: TProtocolVersion = handle.protocol | ||
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| override def getResultSetSchema: TTableSchema | ||
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| override def getNextRowSet(order: FetchOrientation, rowSetSize: Int): TRowSet | ||
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| override def getSession: Session = session | ||
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| override def getHandle: OperationHandle | ||
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| override def getStatus: OperationStatus = { | ||
| OperationStatus(state, startTime, completedTime, hasResultSet, Option(operationException)) | ||
| } | ||
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| override def shouldRunAsync: Boolean | ||
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| override def isTimedOut: Boolean = { | ||
| if (operationTimeout <= 0) { | ||
| false | ||
| } else { | ||
| OperationState.isTerminal(state) && | ||
| lastAccessTime + operationTimeout <= System.currentTimeMillis() | ||
| } | ||
| } | ||
| } |
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