com.datatorrent.stram.api.IotDev.java Source code

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Here is the source code for com.datatorrent.stram.api.IotDev.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 com.datatorrent.stram.api;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.LinkedHashSet;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.commons.io.input.ClassLoaderObjectInputStream;

import com.datatorrent.stram.StramLocalCluster;
import com.datatorrent.stram.StringCodecs;
import com.datatorrent.stram.plan.logical.LogicalPlan;

/**
 * Created by User on 1/6/17.
 */
public class IotDev implements Serializable {
    static String name = Connect.getUsername().trim();
    public static final String SER_FILE_NAME = "/home/" + name + "/file";
    private static final Logger LOG = LoggerFactory.getLogger(IotDev.class);
    public static LogicalPlan lp;

    public IotDev() {
    }

    public static LinkedHashSet<URL> read(InputStream is) throws IOException, ClassNotFoundException {
        return (LinkedHashSet<URL>) new ClassLoaderObjectInputStream(Thread.currentThread().getContextClassLoader(),
                is).readObject();
    }

    public static URLClassLoader loadDependencies(LinkedHashSet<URL> launchDependencies) {
        URLClassLoader cl = URLClassLoader
                .newInstance(launchDependencies.toArray(new URL[launchDependencies.size()]));
        Thread.currentThread().setContextClassLoader(cl);
        StringCodecs.check();
        return cl;
    }

    public static void main(String[] args) throws IOException, InterruptedException, ClassNotFoundException {
        ClassLoader loader = IotDev.class.getClassLoader();
        LOG.debug(String.valueOf(loader.getResource("\n\nPATH : \nfoo/Test.class")));

        FileInputStream f = new FileInputStream("/home/" + name + "/fileURL");
        LinkedHashSet<URL> launchDependencies = read(f);
        loadDependencies(launchDependencies);

        LOG.debug("\n\nURLS\n\n");

        for (URL l : launchDependencies) {
            LOG.debug("\n URL " + l);
        }

        // FileInputStream fis = new FileInputStream("./" + LogicalPlan.SER_FILE_NAME);
        FileInputStream fis = new FileInputStream("/home/" + name + "/file");
        try {
            lp = LogicalPlan.read(fis);
        } finally {
            fis.close();
        }
        StramLocalCluster lc = new StramLocalCluster(lp);
        lc.run();
    }
}