updated to java 8

.classpath

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry excluding="file/reporting/CfEvaluator.java|processing/CfCalculator.java|processing/CfTagCalculator.java|processing/LdaCalculator.java|file/filtering/ResourceFiltering.java|file/filtering/TagFiltering.java|processing/MahoutCalculator.java" kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
-	<classpathentry kind="lib" path="lib/opencsv-2.3.jar"/>
-	<classpathentry kind="lib" path="lib/commons-lang3-3.1.jar"/>
-	<classpathentry kind="lib" path="lib/guava-14.0-rc1.jar"/>
-	<classpathentry kind="lib" path="lib/mallet-deps.jar"/>
-	<classpathentry kind="lib" path="lib/mallet.jar"/>
-	<classpathentry kind="lib" path="lib/javaml-0.1.5.jar"/>
+	<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry exported="true" kind="lib" path="lib/opencsv-2.3.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/commons-lang3-3.1.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/guava-14.0-rc1.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/mallet-deps.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/mallet.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/javaml-0.1.5.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

.settings/org.eclipse.jdt.core.prefs

@@ -1,11 +1,12 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

src/engine/CFResourceRecommenderEngine.java

@@ -64,6 +64,7 @@ public synchronized Map<String, Double> getEntitiesWithLikelihood(String user, S
 		}
 		Map<String, Double> resourceMap = new LinkedHashMap<>();
 		if (this.reader == null || this.calculator == null) {
+			System.out.println("No data has been loaded");
 			return resourceMap;
 		}
 		int userID = -1;

src/engine/ResourceEngineInterface.java

@@ -25,7 +25,7 @@ License, or (at your option) any later version.
 
 public interface ResourceEngineInterface {
 
-	public void loadFile(String filename) throws Exception;
+	void loadFile(String filename) throws Exception;
 
-	public Map<String, Double> getEntitiesWithLikelihood(String user, String resource, List<String> topics, Integer count, Boolean filterOwnEntities);
+	Map<String, Double> getEntitiesWithLikelihood(String user, String resource, List<String> topics, Integer count, Boolean filterOwnEntities);
 }

src/test/Pipeline.java

@@ -168,7 +168,7 @@ public static void main(String[] args) {
 		}
 		System.out.println("TagRec with Topics: " + tagrecEngine.getEntitiesWithLikelihood("41", "545", Arrays.asList("ontology", "conference", "tutorial", "web2.0", "rss", "tools"), 10));
 		System.out.println("TagRec without Topics: " + tagrecEngine.getEntitiesWithLikelihood("41", "545", null, 10));
-		ResourceEngineInterface resrecEngine = new CFResourceRecommenderEngine();
+		final ResourceEngineInterface resrecEngine = new CFResourceRecommenderEngine();
 		try {
 			resrecEngine.loadFile(path);
 		} catch (Exception e2) {
@@ -178,7 +178,6 @@ public static void main(String[] args) {
 		System.out.println("CF -Filter: " + resrecEngine.getEntitiesWithLikelihood("0", null, null, 20, false));
 		*/
 
-
 		// Commandline Arguments
 		if (args.length < 3) {
 			System.out.println("Too few arguments!");