Fix mvn compile warnings

README.md

@@ -16,4 +16,4 @@ The documentation also contains an introduction specific to RumbleDB and how you
 
 [The documentation of the current master (for the adventurous and curious) is available here.](http://sparksoniq.readthedocs.io/en/latest/)
 
-RumbleDB is an effort involving many researchers and ETH Zurich students: code and support by Stefan Irimescu, Ghislain Fourny, Gustavo Alonso, Renato Marroquin, Rodrigo Bruno, Falko Noé, Ioana Stefan, Andrea Rinaldi, Stevan Mihajlovic, Mario Arduini, Can Berker Çıkış, Elwin Stephan, David Dao, Zirun Wang, Ingo Müller, Dan-Ovidiu Graur, Thomas Zhou, Olivier Goerens, Alexandru Meterez, Remo Röthlisberger, Dominik Bruggisser, David Loughlin, David Buzatu.
+RumbleDB is an effort involving many researchers and ETH Zurich students: code and support by Stefan Irimescu, Ghislain Fourny, Gustavo Alonso, Renato Marroquin, Rodrigo Bruno, Falko Noé, Ioana Stefan, Andrea Rinaldi, Stevan Mihajlovic, Mario Arduini, Can Berker Çıkış, Elwin Stephan, David Dao, Zirun Wang, Ingo Müller, Dan-Ovidiu Graur, Thomas Zhou, Olivier Goerens, Alexandru Meterez, Remo Röthlisberger, Dominik Bruggisser, David Loughlin, David Buzatu, Marco Schöb.

pom.xml

@@ -46,9 +46,10 @@
                     <compilerId>eclipse</compilerId>
                     <source>1.8</source>
                     <target>1.8</target>
-                    <compilerArguments>
-                        <properties>${project.basedir}/org.eclipse.jdt.core.prefs</properties>
-                    </compilerArguments>
+                    <compilerArgs>
+                        <arg>-properties</arg>
+                        <arg>${project.basedir}/org.eclipse.jdt.core.prefs</arg>
+                    </compilerArgs>
                 </configuration>
                 <dependencies>
                     <dependency>
@@ -63,6 +64,14 @@
                     </dependency>
                 </dependencies>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>3.3.1</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
@@ -150,6 +159,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
+                <version>3.0.1</version>
                 <configuration>
                     <localCheckout>true</localCheckout>
                     <pushChanges>false</pushChanges>

src/main/java/org/rumbledb/compiler/ExecutionModeVisitor.java

@@ -657,7 +657,7 @@ public StaticContext visitProlog(Prolog prolog, StaticContext argument) {
     public StaticContext visitProgram(Program program, StaticContext argument) {
         visitDescendants(program, argument);
         ExecutionMode mergedExecutionMode = program.getStatementsAndOptionalExpr().getHighestExecutionMode();
-        for (Statement statement : exitStatementChildren) {
+        for (Statement statement : this.exitStatementChildren) {
             ExecutionMode statementExecMode = statement.getHighestExecutionMode(this.visitorConfig);
             mergedExecutionMode = getHighestExecutionMode(mergedExecutionMode, statementExecMode);
         }

src/main/java/org/rumbledb/compiler/SequentialClassificationVisitor.java

@@ -57,7 +57,7 @@ public class SequentialClassificationVisitor extends AbstractNodeVisitor<Descend
     public SequentialClassificationVisitor(Prolog prolog) {
         this.prolog = prolog;
         this.blockLevel = 0;
-        variableBlockLevel = new HashMap<>();
+        this.variableBlockLevel = new HashMap<>();
     }
 
     protected DescendentSequentialProperties defaultAction(Node node, DescendentSequentialProperties argument) {

src/main/java/org/rumbledb/context/GlobalVariables.java

@@ -15,7 +15,7 @@ public class GlobalVariables implements Serializable, KryoSerializable {
     private Set<Name> globalVariables;
 
     public GlobalVariables() {
-        globalVariables = new HashSet<>();
+        this.globalVariables = new HashSet<>();
     }
 
     public void addGlobalVariable(Name globalVariable) {

src/main/java/org/rumbledb/context/InScopeVariable.java

@@ -83,6 +83,6 @@ public void read(Kryo kryo, Input input) {
     }
 
     public boolean isAssignable() {
-        return isAssignable;
+        return this.isAssignable;
     }
 }

src/main/java/org/rumbledb/expressions/module/VariableDeclaration.java

@@ -166,12 +166,12 @@ public void serializeToJSONiq(StringBuffer sb, int indent) {
 
     @Nullable
     public List<Annotation> getAnnotations() {
-        return annotations;
+        return this.annotations;
     }
 
 
     public boolean isAssignable() {
-        return isAssignable;
+        return this.isAssignable;
     }
 }
 

src/main/java/org/rumbledb/expressions/scripting/annotations/Annotation.java

@@ -20,11 +20,11 @@ public Annotation(Name annotationName, List<Expression> literals) {
     }
 
     public Name getAnnotationName() {
-        return annotationName;
+        return this.annotationName;
     }
 
     public List<Expression> getLiterals() {
-        return literals;
+        return this.literals;
     }
 
     public static boolean checkAssignable(

src/main/java/org/rumbledb/expressions/scripting/declaration/CommaVariableDeclStatement.java

@@ -23,18 +23,18 @@ public <T> T accept(AbstractNodeVisitor<T> visitor, T argument) {
 
     @Override
     public List<Node> getChildren() {
-        return new ArrayList<>(variables);
+        return new ArrayList<>(this.variables);
     }
 
     @Override
     public void serializeToJSONiq(StringBuffer sb, int indent) {
         indentIt(sb, indent);
-        for (VariableDeclStatement variableDeclStatement : variables) {
+        for (VariableDeclStatement variableDeclStatement : this.variables) {
             variableDeclStatement.serializeToJSONiq(sb, 0);
         }
     }
 
     public List<VariableDeclStatement> getVariables() {
-        return variables;
+        return this.variables;
     }
 }

src/main/java/org/rumbledb/expressions/scripting/declaration/VariableDeclStatement.java

@@ -103,10 +103,10 @@ public Expression getVariableExpression() {
     }
 
     public List<Annotation> getAnnotations() {
-        return annotations;
+        return this.annotations;
     }
 
     public boolean isAssignable() {
-        return isAssignable;
+        return this.isAssignable;
     }
 }

src/main/java/org/rumbledb/expressions/scripting/loops/FlowrStatement.java

@@ -48,6 +48,6 @@ public void serializeToJSONiq(StringBuffer sb, int indent) {
     }
 
     public ReturnStatementClause getReturnStatementClause() {
-        return returnStatementClause;
+        return this.returnStatementClause;
     }
 }

src/main/java/org/rumbledb/expressions/scripting/loops/ReturnStatementClause.java

@@ -46,6 +46,6 @@ public void serializeToJSONiq(StringBuffer sb, int indent) {
     }
 
     public Statement getReturnStatement() {
-        return returnStatement;
+        return this.returnStatement;
     }
 }

src/main/java/org/rumbledb/expressions/scripting/loops/WhileStatement.java

@@ -27,8 +27,8 @@ public <T> T accept(AbstractNodeVisitor<T> visitor, T argument) {
     @Override
     public List<Node> getChildren() {
         List<Node> result = new ArrayList<>();
-        result.add(testCondition);
-        result.add(statement);
+        result.add(this.testCondition);
+        result.add(this.statement);
         return result;
     }
 
@@ -43,10 +43,10 @@ public void serializeToJSONiq(StringBuffer sb, int indent) {
     }
 
     public Expression getTestCondition() {
-        return testCondition;
+        return this.testCondition;
     }
 
     public Statement getStatement() {
-        return statement;
+        return this.statement;
     }
 }

src/main/java/org/rumbledb/runtime/functions/StaticUserDefinedFunctionCallIterator.java

@@ -131,7 +131,7 @@ protected void closeLocal() {
 
     public void setNextResult() {
         this.nextResult = null;
-        if (!encounteredExitStatement) {
+        if (!this.encounteredExitStatement) {
             try {
                 if (this.userDefinedFunctionCallIterator.hasNext()) {
                     this.nextResult = this.userDefinedFunctionCallIterator.next();

src/main/java/org/rumbledb/runtime/scripting/ProgramIterator.java

@@ -89,7 +89,7 @@ private void setPULFromExitStatement(ExitStatementException exitStatementExcepti
 
     @Override
     protected Item nextLocal() {
-        if (!encounteredExitStatement) {
+        if (!this.encounteredExitStatement) {
             try {
                 return this.statementsAndExprIterator.next();
             } catch (ExitStatementException exitStatementException) {
@@ -117,7 +117,7 @@ public boolean isUpdating() {
 
     @Override
     public PendingUpdateList getPendingUpdateList(DynamicContext context) {
-        if (!encounteredExitStatement) {
+        if (!this.encounteredExitStatement) {
             return this.statementsAndExprIterator.getPendingUpdateList(context);
         }
         return this.pendingUpdateList;

src/main/java/org/rumbledb/runtime/scripting/block/StatementsWithExprIterator.java

@@ -32,7 +32,7 @@ public StatementsWithExprIterator(
         this.children.addAll(statements);
         this.children.add(exprIterator);
 
-        for (RuntimeIterator child : children) {
+        for (RuntimeIterator child : this.children) {
             if (child.isSequential()) {
                 this.isSequential = child.isSequential();
             }

src/main/java/org/rumbledb/runtime/scripting/loops/ExitStatementIterator.java

@@ -72,7 +72,9 @@ protected Item nextLocal() {
         this.result = this.childIterator.materialize(this.currentDynamicContextForLocalExecution);
         this.pendingUpdateList = new PendingUpdateList();
         if (this.childIterator.isUpdating()) {
-            pendingUpdateList = this.childIterator.getPendingUpdateList(this.currentDynamicContextForLocalExecution);
+            this.pendingUpdateList = this.childIterator.getPendingUpdateList(
+                this.currentDynamicContextForLocalExecution
+            );
         }
         throw new ExitStatementException(
                 this.pendingUpdateList,

src/main/java/org/rumbledb/runtime/typing/TreatIterator.java

@@ -240,7 +240,7 @@ public JSoundDataFrame getDataFrame(DynamicContext dynamicContext) {
 
     @Override
     public PendingUpdateList getPendingUpdateList(DynamicContext context) {
-        return iterator.getPendingUpdateList(context);
+        return this.iterator.getPendingUpdateList(context);
     }
 
     /**