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[Feature][Engine] Add flink engine (#487)
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14 changes: 14 additions & 0 deletions
14
datavines-engine/datavines-engine-plugins/datavines-engine-flink/HEADER
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| Original file line number | Diff line number | Diff line change |
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| 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 | ||
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|
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| 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. |
59 changes: 59 additions & 0 deletions
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...engine/datavines-engine-plugins/datavines-engine-flink/datavines-engine-flink-api/pom.xml
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| <?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"> | ||
| <parent> | ||
| <artifactId>datavines-engine-flink</artifactId> | ||
| <groupId>io.datavines</groupId> | ||
| <version>1.0.0-SNAPSHOT</version> | ||
| </parent> | ||
| <modelVersion>4.0.0</modelVersion> | ||
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| <artifactId>datavines-engine-flink-api</artifactId> | ||
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| <dependencies> | ||
| <dependency> | ||
| <groupId>io.datavines</groupId> | ||
| <artifactId>datavines-engine-api</artifactId> | ||
| <version>${project.version}</version> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>io.datavines</groupId> | ||
| <artifactId>datavines-common</artifactId> | ||
| <version>${project.version}</version> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>org.apache.flink</groupId> | ||
| <artifactId>flink-streaming-java_${scala.binary.version}</artifactId> | ||
| <version>${flink.version}</version> | ||
| <scope>provided</scope> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>org.apache.flink</groupId> | ||
| <artifactId>flink-table-api-java-bridge_${scala.binary.version}</artifactId> | ||
| <version>${flink.version}</version> | ||
| <scope>provided</scope> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
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...engine-flink-api/src/main/java/io/datavines/engine/flink/api/FlinkRuntimeEnvironment.java
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| /* | ||
| * 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 io.datavines.engine.flink.api; | ||
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| import io.datavines.common.config.CheckResult; | ||
| import io.datavines.common.config.Config; | ||
| import io.datavines.common.exception.DataVinesException; | ||
| import io.datavines.engine.api.env.Execution; | ||
| import io.datavines.engine.api.env.RuntimeEnvironment; | ||
| import io.datavines.engine.flink.api.stream.FlinkStreamExecution; | ||
| import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; | ||
| import org.apache.flink.table.api.bridge.java.StreamTableEnvironment; | ||
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| public class FlinkRuntimeEnvironment implements RuntimeEnvironment { | ||
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| private StreamExecutionEnvironment env; | ||
| private StreamTableEnvironment tableEnv; | ||
| private Config config; | ||
| private FlinkStreamExecution execution; | ||
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| public FlinkRuntimeEnvironment() { | ||
| this.config = new Config(); | ||
| this.execution = new FlinkStreamExecution(this); | ||
| } | ||
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| public void setConfig(Config config) { | ||
| if (config != null) { | ||
| this.config = config; | ||
| } | ||
| } | ||
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| public Config getConfig() { | ||
| return config; | ||
| } | ||
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| public CheckResult checkConfig() { | ||
| return new CheckResult(true, "Configuration check passed"); | ||
| } | ||
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| public Execution getExecution() { | ||
| return execution; | ||
| } | ||
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| public void prepare() { | ||
| try { | ||
| env = StreamExecutionEnvironment.getExecutionEnvironment(); | ||
| tableEnv = StreamTableEnvironment.create(env); | ||
| } catch (Exception e) { | ||
| throw new DataVinesException("Failed to prepare Flink environment", e); | ||
| } | ||
| } | ||
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| public void stop() { | ||
| try { | ||
| if (env != null) { | ||
| // Flink's environment doesn't have a direct cancel method, | ||
| // we need to handle job cancellation through JobClient | ||
| } | ||
| } catch (Exception e) { | ||
| throw new DataVinesException("Failed to stop Flink environment", e); | ||
| } | ||
| } | ||
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| public String getType() { | ||
| return "flink"; | ||
| } | ||
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| public StreamExecutionEnvironment getEnv() { | ||
| return env; | ||
| } | ||
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| public StreamTableEnvironment getTableEnv() { | ||
| return tableEnv; | ||
| } | ||
| } |
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