com.stratio.streaming.StreamingEngine.java Source code

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Here is the source code for com.stratio.streaming.StreamingEngine.java

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/**
 * Copyright (C) 2014 Stratio (http://stratio.com)
 *
 * Licensed 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 com.stratio.streaming;

import java.util.Map;

import org.apache.spark.streaming.api.java.JavaStreamingContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;

import com.stratio.streaming.configuration.BaseConfiguration;

public class StreamingEngine {

    private static Logger log = LoggerFactory.getLogger(StreamingEngine.class);

    public static void main(String[] args) {
        try (AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(
                BaseConfiguration.class)) {

            annotationConfigApplicationContext.registerShutdownHook();

            Map<String, JavaStreamingContext> contexts = annotationConfigApplicationContext
                    .getBeansOfType(JavaStreamingContext.class);

            for (JavaStreamingContext context : contexts.values()) {
                context.start();
                log.info("Started context {}", context.sparkContext().appName());
            }
            contexts.get("actionContext").awaitTermination();
        } catch (Exception e) {
            log.error("Fatal error", e);
        }
    }
}