| /* |
| * 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 org.apache.toree.kernel.interpreter.pyspark |
| |
| import org.apache.toree.interpreter.broker.{BrokerBridge, BrokerState} |
| import org.apache.toree.kernel.api.KernelLike |
| |
| /** |
| * Represents constants for the PySpark bridge. |
| */ |
| object PySparkBridge { |
| /** Represents the maximum amount of code that can be queued for Python. */ |
| val MaxQueuedCode = 500 |
| |
| /** |
| * Creates a new PySparkBridge instance. |
| * |
| * @param brokerState The container of broker state to expose |
| * @param kernel The kernel API to expose through the bridge |
| * |
| * @return The new PySpark bridge |
| */ |
| def apply( |
| brokerState: BrokerState, |
| kernel: KernelLike |
| ): PySparkBridge = { |
| new PySparkBridge( |
| _brokerState = brokerState, |
| _kernel = kernel |
| ) |
| } |
| } |
| |
| /** |
| * Represents the API available to PySpark to act as the bridge for data |
| * between the JVM and Python. |
| * |
| * @param _brokerState The container of broker state to expose |
| * @param _kernel The kernel API to expose through the bridge |
| */ |
| class PySparkBridge private ( |
| private val _brokerState: BrokerState, |
| private val _kernel: KernelLike |
| ) extends BrokerBridge(_brokerState, _kernel) { |
| override val brokerName: String = "PySpark" |
| } |