manage standard local algorithms executions

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-analysis/EcologicalEngine@93133 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/dataanalysis/ecoengine/configuration/INFRASTRUCTURE.java

@@ -4,6 +4,7 @@ public enum INFRASTRUCTURE {
 
 	 RAINY_CLOUD,
 	 D4SCIENCE,
-	 LOCAL
+	 LOCAL,
+	 EXTERNAL_WPS
 	 
 }

src/main/java/org/gcube/dataanalysis/ecoengine/interfaces/StandardLocalExternalAlgorithm.java

@@ -24,7 +24,6 @@ public abstract class StandardLocalExternalAlgorithm implements Transducerer {
 	protected ResourceFactory resourceManager;
 	public LinkedHashMap<String, String> outputParameters = new LinkedHashMap<String, String>();
 
-	
 	protected void addEnumerateInput(Object itemsList, String name, String description, String defaultvalue) {
 		inputs.add(new PrimitiveType(Enum.class.getName(), itemsList, PrimitiveTypes.ENUMERATED, name, description, defaultvalue));
 	}
@@ -58,9 +57,16 @@ public abstract class StandardLocalExternalAlgorithm implements Transducerer {
 	public void compute() throws Exception {
 		AnalysisLogger.setLogger(config.getConfigPath() + AlgorithmConfiguration.defaultLoggerFile);
 		status = 0;
+		try {
 			process();
+		} catch (Exception e) {
+			e.printStackTrace();
+			AnalysisLogger.getLogger().debug("StandardLocalExternalAlgorithm->Error in processing");
+			throw e;
+		} finally {
 			status = 100;
 		}
+	}
 
 	protected void log(Object message) {
 		AnalysisLogger.getLogger().debug(message);

src/main/java/org/gcube/dataanalysis/ecoengine/signals/PeriodicityDetector.java

@@ -172,7 +172,10 @@ public class PeriodicityDetector {
 			power = MathFunctions.incrementPerc(power, (float)powers[i], counter);
 			counter++;
 		}
+		
 		this.periodicityStrength=power;
+		if (this.periodicityStrength==-0.0)
+			this.periodicityStrength=0;
 		
 		// reconstruct the F
 		double meanF = MathFunctions.mean(maxfrequencies);

src/main/java/org/gcube/dataanalysis/ecoengine/utils/DatabaseUtils.java

@@ -177,6 +177,9 @@ public class DatabaseUtils {
 			for (int j=0;j<row.length;j++){
 				String preprow = row[j].replaceAll("^'", "").replaceAll("'$", "");
 				preprow=preprow.replace("'", ""+(char)96);
+				if (preprow.equalsIgnoreCase("NULL"))
+					sb.append(preprow);
+				else
 					sb.append("'"+preprow+"'");
 				if  (j<row.length-1)
 					sb.append(",");