edu.harvard.hms.dbmi.scidb.examples.Apply.java Source code

Introduction

Here is the source code for edu.harvard.hms.dbmi.scidb.examples.Apply.java

Source

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package edu.harvard.hms.dbmi.scidb.examples;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.nio.charset.Charset;

import org.apache.commons.io.IOUtils;

import edu.harvard.hms.dbmi.scidb.SciDB;
import edu.harvard.hms.dbmi.scidb.SciDBArray;
import edu.harvard.hms.dbmi.scidb.SciDBDataType;
import edu.harvard.hms.dbmi.scidb.SciDBDimension;
import edu.harvard.hms.dbmi.scidb.SciDBOperation;
import edu.harvard.hms.dbmi.scidb.exception.NotConnectedException;
import edu.harvard.hms.dbmi.scidb.exception.SciDBOperationException;

/**
 * 
 * @author Jeremy R. Easton-Marks
 *
 */
public class Apply {

    public static void main(String[] args) {
        System.out.println("Create Example");
        SciDB sciDB = new SciDB();
        // sciDB.connect("http://scidb.aws.dbmi.hms.harvard.edu:8080");

        try {
            SciDBArray newArray = new SciDBArray("distance");
            newArray.addAttribute("val", SciDBDataType.DOUBLE);
            newArray.addDimension("i", new SciDBDimension(0, 3, 4, 0));
            newArray.addDimension("j", new SciDBDimension(0, 3, 4, 0));
            SciDBOperation createOperation = sciDB.create(newArray);
            System.out.println(createOperation.toAFLQueryString());
            SciDBOperation applyOperation = sciDB.apply(newArray, "kilometers", "1.61*miles");

            System.out.println(applyOperation.toAFLQueryString());
        } catch (SciDBOperationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        // System.out.println(inputStreamToString(sciDB.readLines()));

        // sciDB.close();
    }

    private static String inputStreamToString(InputStream inputStream) throws IOException {
        StringWriter writer = new StringWriter();
        IOUtils.copy(inputStream, writer, Charset.defaultCharset());
        inputStream.close();
        return writer.toString();
    }

}