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ASF GitHub Bot commented on FLINK-3708: --------------------------------------- Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/1905#discussion_r60399173 --- Diff: flink-libraries/flink-cep-scala/src/main/scala/org/apache/flink/cep/scala/CEP.scala --- @@ -0,0 +1,46 @@ +/* + * 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.flink.cep.scala + +import org.apache.flink.api.common.typeinfo.TypeInformation +import org.apache.flink.cep.scala.pattern.Pattern +import org.apache.flink.cep.{CEP => JCEP} +import org.apache.flink.streaming.api.scala.DataStream + +import scala.reflect.ClassTag + +/** + * Utility method to transform a { @link DataStream} into a { @link PatternStream} to do CEP. + */ + +object CEP { + /** + * Transforms a { @link DataStream[T]} into a { @link PatternStream[T]} in the Scala API. + * See { @link org.apache.flink.cep.CEP} for a more detailed description how the underlying + * Java API works. --- End diff -- links in comments > Scala API for CEP > ----------------- > > Key: FLINK-3708 > URL: https://issues.apache.org/jira/browse/FLINK-3708 > Project: Flink > Issue Type: Improvement > Components: CEP > Affects Versions: 1.1.0 > Reporter: Till Rohrmann > Assignee: Stefan Richter > > Currently, The CEP library does not support Scala case classes, because the > {{TypeExtractor}} cannot handle them. In order to support them, it would be > necessary to offer a Scala API for the CEP library. -- This message was sent by Atlassian JIRA (v6.3.4#6332)