[
https://issues.apache.org/jira/browse/FLINK-3708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15249780#comment-15249780
]
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_r60398456
--- Diff: flink-libraries/flink-cep-scala/pom.xml ---
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-libraries</artifactId>
+ <version>1.1-SNAPSHOT</version>
+ <relativePath>..</relativePath>
+ </parent>
+ <artifactId>flink-cep-scala_2.10</artifactId>
+ <name>flink-cep-scala</name>
+ <packaging>jar</packaging>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-scala_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-clients_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-cep_2.10</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-streaming-java_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-streaming-scala_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-tests_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-test-utils_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-streaming-java_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-streaming-scala_2.10</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <!-- Scala Compiler -->
+ <plugin>
+ <groupId>net.alchim31.maven</groupId>
+ <artifactId>scala-maven-plugin</artifactId>
+ <version>3.1.4</version>
+ <executions>
+ <!-- Run scala compiler in the process-resources
phase, so that dependencies on
+ scala classes can be resolved later in the (Java)
compile phase -->
+ <execution>
+ <id>scala-compile-first</id>
+ <phase>process-resources</phase>
+ <goals>
+ <goal>compile</goal>
+ </goals>
+ </execution>
+
+ <!-- Run scala compiler in the process-test-resources
phase, so that dependencies on
+ scala classes can be resolved later in the (Java)
test-compile phase -->
+ <execution>
+ <id>scala-test-compile</id>
+ <phase>process-test-resources</phase>
+ <goals>
+ <goal>testCompile</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <jvmArgs>
+ <jvmArg>-Xms128m</jvmArg>
+ <jvmArg>-Xmx512m</jvmArg>
+ </jvmArgs>
+ <compilerPlugins combine.children="append">
+ <compilerPlugin>
+ <groupId>org.scalamacros</groupId>
+
<artifactId>paradise_${scala.version}</artifactId>
+ <version>${scala.macros.version}</version>
+ </compilerPlugin>
+ </compilerPlugins>
+ </configuration>
+ </plugin>
--- End diff --
I think you can replace this with
```
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<version>2.15.2</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
<configuration>
<sourceDir>src/main/scala</sourceDir>
<testSourceDir>src/test/scala</testSourceDir>
<jvmArgs>
<jvmArg>-Xms64m</jvmArg>
<jvmArg>-Xmx1024m</jvmArg>
</jvmArgs>
</configuration>
</plugin>
```
Since we don't have a mixed Java Scala project here.
> 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.
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