72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
package org.gcube.dataanalysis.geo.algorithms;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.dataanalysis.ecoengine.configuration.AlgorithmConfiguration;
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import org.gcube.dataanalysis.ecoengine.datatypes.ColumnType;
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import org.gcube.dataanalysis.ecoengine.datatypes.DatabaseType;
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import org.gcube.dataanalysis.ecoengine.datatypes.InputTable;
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import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.TableTemplates;
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import org.gcube.dataanalysis.ecoengine.utils.IOHelper;
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import org.gcube.dataanalysis.geo.utils.FAOOceanAreaConverter;
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public class FAOOceanAreaCreator extends CSquaresCreator {
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public FAOOceanAreaCreator(){
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resolutionParameter = "Resolution";
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codecolumnName = "fao_ocean_area";
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}
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@Override
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protected void setInputParameters() {
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List<TableTemplates> templates = new ArrayList<TableTemplates>();
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templates.add(TableTemplates.GENERIC);
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InputTable tinput = new InputTable(templates, inputTableParameter, "The table to which the algorithm adds the csquare column");
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inputs.add(tinput);
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ColumnType xDimension = new ColumnType(inputTableParameter, xDim, "The column containing Longitude information", "x", false);
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ColumnType yDimension = new ColumnType(inputTableParameter, yDim, "The column containing Latitude information", "y", false);
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inputs.add(xDimension);
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inputs.add(yDimension);
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IOHelper.addDoubleInput(inputs, resolutionParameter, "The resolution of the FAO Ocean Area codes", "5");
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IOHelper.addStringInput(inputs, outputTableParameter, "The name of the output table", "faooceanarea_");
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DatabaseType.addDefaultDBPars(inputs);
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}
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@Override
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public String getDescription() {
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return "An algorithm that adds a column containing the FAO Ocean Area codes associated to longitude and latitude columns.";
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}
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public String selectInformationForTransformation (AlgorithmConfiguration config, String table, int limit, int offset){
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String x = IOHelper.getInputParameter(config, xDim);
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String y = IOHelper.getInputParameter(config, yDim);
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String select = "select *," + x + "," + y + " from " + table + " order by " + x + " limit " + limit + " offset " + offset;
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return select;
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}
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public String rowToCode (Object[] rowArray){
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// take x and y
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String xValue = "" + rowArray[rowArray.length - 2];
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String yValue = "" + rowArray[rowArray.length - 1];
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// generate csquarecodes
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String code = "";
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try {
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double xV = Double.parseDouble(xValue);
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double yV = Double.parseDouble(yValue);
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FAOOceanAreaConverter converter = new FAOOceanAreaConverter();
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code = converter.FAOOceanArea(-1, xV, yV, (int)resolution);
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} catch (Exception e) {
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}
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return code;
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}
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}
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