| /** |
| * 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.heron.streamlet.scala.impl |
| |
| import org.apache.heron.api.spout.IRichSpout |
| import org.apache.heron.api.topology.TopologyBuilder |
| import org.apache.heron.streamlet.impl.{BuilderImpl => JavaBuilderImpl} |
| |
| import org.apache.heron.streamlet.scala.{Builder, Source, Streamlet} |
| import org.apache.heron.streamlet.scala.converter.ScalaToJavaConverter._ |
| |
| class BuilderImpl(builder: org.apache.heron.streamlet.Builder) |
| extends Builder { |
| |
| override def newSource[R](supplier: () => R): Streamlet[R] = { |
| val serializableSupplier = toSerializableSupplier[R](supplier) |
| val newJavaStreamlet = builder.newSource(serializableSupplier) |
| StreamletImpl.fromJavaStreamlet[R](newJavaStreamlet) |
| } |
| |
| override def newSource[R](generator: Source[R]): Streamlet[R] = { |
| val javaSourceObj = toJavaSource[R](generator) |
| val newJavaStreamlet = builder.newSource(javaSourceObj) |
| StreamletImpl.fromJavaStreamlet[R](newJavaStreamlet) |
| } |
| |
| override def newSource[R](spout: IRichSpout): Streamlet[R] = { |
| val newJavaStreamlet = builder.newSource[R](spout) |
| StreamletImpl.fromJavaStreamlet[R](newJavaStreamlet) |
| } |
| |
| def build(): TopologyBuilder = |
| builder.asInstanceOf[JavaBuilderImpl].build() |
| |
| def build(topologyBuilder: TopologyBuilder): TopologyBuilder = |
| builder.asInstanceOf[JavaBuilderImpl].build(topologyBuilder) |
| |
| } |