| /* |
| * 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.ignite.spark |
| |
| import org.apache.ignite.Ignite |
| import org.apache.ignite.configuration.{CacheConfiguration, IgniteConfiguration} |
| import org.apache.ignite.internal.IgnitionEx |
| import org.apache.ignite.lang.IgniteOutClosure |
| import org.apache.spark.api.java.JavaSparkContext |
| |
| import scala.reflect.ClassTag |
| |
| /** |
| * Java-friendly Ignite context wrapper. |
| * |
| * @param sc Java Spark context. |
| * @param cfgF Configuration factory. |
| * @tparam K Key type. |
| * @tparam V Value type. |
| */ |
| class JavaIgniteContext[K, V]( |
| @transient val sc: JavaSparkContext, |
| val cfgF: IgniteOutClosure[IgniteConfiguration], |
| @deprecated("Embedded mode is deprecated and will be discontinued. Consider using standalone mode instead.") |
| standalone: Boolean = true |
| ) extends Serializable { |
| |
| @transient val ic: IgniteContext = new IgniteContext(sc.sc, () => cfgF.apply(), standalone) |
| |
| def this(sc: JavaSparkContext, cfgF: IgniteOutClosure[IgniteConfiguration]) { |
| this(sc, cfgF, true) |
| } |
| |
| def this(sc: JavaSparkContext, springUrl: String) { |
| this(sc, new IgniteOutClosure[IgniteConfiguration] { |
| override def apply() = IgnitionEx.loadConfiguration(springUrl).get1() |
| }) |
| } |
| |
| @deprecated("Embedded mode is deprecated and will be discontinued. Consider using standalone mode instead.") |
| def this(sc: JavaSparkContext, springUrl: String, standalone: Boolean) { |
| this(sc, new IgniteOutClosure[IgniteConfiguration] { |
| override def apply() = IgnitionEx.loadConfiguration(springUrl).get1() |
| }, standalone) |
| } |
| |
| def fromCache(cacheName: String): JavaIgniteRDD[K, V] = |
| JavaIgniteRDD.fromIgniteRDD(new IgniteRDD[K, V](ic, cacheName, null, false)) |
| |
| def fromCache(cacheCfg: CacheConfiguration[K, V]) = |
| JavaIgniteRDD.fromIgniteRDD(new IgniteRDD[K, V](ic, cacheCfg.getName, cacheCfg, false)) |
| |
| def ignite(): Ignite = ic.ignite() |
| |
| def close(shutdownIgniteOnWorkers:Boolean = false) = ic.close(shutdownIgniteOnWorkers) |
| |
| private[spark] def fakeClassTag[T]: ClassTag[T] = ClassTag.AnyRef.asInstanceOf[ClassTag[T]] |
| |
| implicit val ktag: ClassTag[K] = fakeClassTag |
| |
| implicit val vtag: ClassTag[V] = fakeClassTag |
| } |