diff --git a/src/main/java/edu/uci/ics/hivesterix/runtime/jobgen/HiveMetaDataProvider.java b/src/main/java/edu/uci/ics/hivesterix/runtime/jobgen/HiveMetaDataProvider.java
index cb4918d..6948769 100644
--- a/src/main/java/edu/uci/ics/hivesterix/runtime/jobgen/HiveMetaDataProvider.java
+++ b/src/main/java/edu/uci/ics/hivesterix/runtime/jobgen/HiveMetaDataProvider.java
@@ -32,124 +32,105 @@
 @SuppressWarnings("rawtypes")
 public class HiveMetaDataProvider<S, T> implements IMetadataProvider<S, T> {
 
-	private Operator fileSink;
-	private Schema outputSchema;
-	private HashMap<S, IDataSource<S>> dataSourceMap;
+    private Operator fileSink;
+    private Schema outputSchema;
+    private HashMap<S, IDataSource<S>> dataSourceMap;
 
-	public HiveMetaDataProvider(Operator fsOp, Schema oi,
-			HashMap<S, IDataSource<S>> map) {
-		fileSink = fsOp;
-		outputSchema = oi;
-		dataSourceMap = map;
-	}
-
-	@Override
-	public IDataSourceIndex<T, S> findDataSourceIndex(T indexId, S dataSourceId)
-			throws AlgebricksException {
-		return null;
-	}
-
-	@Override
-	public IDataSource<S> findDataSource(S id) throws AlgebricksException {
-		return dataSourceMap.get(id);
-	}
-
-	@Override
-	public boolean scannerOperatorIsLeaf(IDataSource<S> dataSource) {
-		return true;
-	}
-
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getScannerRuntime(
-			IDataSource<S> dataSource, List<LogicalVariable> scanVariables,
-			List<LogicalVariable> projectVariables, boolean projectPushed,
-			IOperatorSchema opSchema, IVariableTypeEnvironment typeEnv,
-			JobGenContext context, JobSpecification jobSpec)
-			throws AlgebricksException {
-
-		S desc = dataSource.getId();
-		HiveScanRuntimeGenerator generator = new HiveScanRuntimeGenerator(
-				(PartitionDesc) desc);
-		return generator.getRuntimeOperatorAndConstraint(dataSource,
-				scanVariables, projectVariables, projectPushed, context,
-				jobSpec);
-	}
-
-	@Override
-	public Pair<IPushRuntimeFactory, AlgebricksPartitionConstraint> getWriteFileRuntime(
-			IDataSink sink, int[] printColumns,
-			IPrinterFactory[] printerFactories, RecordDescriptor inputDesc) {
-
-		HiveWriteRuntimeGenerator generator = new HiveWriteRuntimeGenerator(
-				(FileSinkOperator) fileSink, outputSchema);
-		return generator.getWriterRuntime(inputDesc);
-	}
-
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getDeleteRuntime(
-			IDataSource<S> arg0, IOperatorSchema arg1,
-			List<LogicalVariable> arg2, LogicalVariable arg3,
-			RecordDescriptor arg4, JobGenContext arg5, JobSpecification arg6)
-			throws AlgebricksException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getInsertRuntime(
-			IDataSource<S> arg0, IOperatorSchema arg1,
-			List<LogicalVariable> arg2, LogicalVariable arg3,
-			RecordDescriptor arg4, JobGenContext arg5, JobSpecification arg6)
-			throws AlgebricksException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getWriteResultRuntime(
-			IDataSource<S> arg0, IOperatorSchema arg1,
-			List<LogicalVariable> arg2, LogicalVariable arg3,
-			JobGenContext arg4, JobSpecification arg5)
-			throws AlgebricksException {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    public HiveMetaDataProvider(Operator fsOp, Schema oi, HashMap<S, IDataSource<S>> map) {
+        fileSink = fsOp;
+        outputSchema = oi;
+        dataSourceMap = map;
+    }
 
     @Override
-    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
-            RecordDescriptor recordDescriptor, boolean ordered, JobSpecification spec) throws AlgebricksException {
+    public IDataSourceIndex<T, S> findDataSourceIndex(T indexId, S dataSourceId) throws AlgebricksException {
         return null;
     }
 
-   	@Override
-	public IFunctionInfo lookupFunction(FunctionIdentifier arg0) {
-		return new HiveFunctionInfo(arg0, null);
-	}
+    @Override
+    public IDataSource<S> findDataSource(S id) throws AlgebricksException {
+        return dataSourceMap.get(id);
+    }
 
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexInsertRuntime(
-			IDataSourceIndex<T, S> dataSource,
-			IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas,
-			IVariableTypeEnvironment typeEnv,
-			List<LogicalVariable> primaryKeys,
-			List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr,
-			RecordDescriptor recordDesc, JobGenContext context,
-			JobSpecification spec) throws AlgebricksException {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public boolean scannerOperatorIsLeaf(IDataSource<S> dataSource) {
+        return true;
+    }
 
-	@Override
-	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexDeleteRuntime(
-			IDataSourceIndex<T, S> dataSource,
-			IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas,
-			IVariableTypeEnvironment typeEnv,
-			List<LogicalVariable> primaryKeys,
-			List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr,
-			RecordDescriptor recordDesc, JobGenContext context,
-			JobSpecification spec) throws AlgebricksException {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getScannerRuntime(IDataSource<S> dataSource,
+            List<LogicalVariable> scanVariables, List<LogicalVariable> projectVariables, boolean projectPushed,
+            IOperatorSchema opSchema, IVariableTypeEnvironment typeEnv, JobGenContext context, JobSpecification jobSpec)
+            throws AlgebricksException {
+
+        S desc = dataSource.getId();
+        HiveScanRuntimeGenerator generator = new HiveScanRuntimeGenerator((PartitionDesc) desc);
+        return generator.getRuntimeOperatorAndConstraint(dataSource, scanVariables, projectVariables, projectPushed,
+                context, jobSpec);
+    }
+
+    @Override
+    public Pair<IPushRuntimeFactory, AlgebricksPartitionConstraint> getWriteFileRuntime(IDataSink sink,
+            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc) {
+
+        HiveWriteRuntimeGenerator generator = new HiveWriteRuntimeGenerator((FileSinkOperator) fileSink, outputSchema);
+        return generator.getWriterRuntime(inputDesc);
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getDeleteRuntime(IDataSource<S> arg0,
+            IOperatorSchema arg1, List<LogicalVariable> arg2, LogicalVariable arg3, RecordDescriptor arg4,
+            JobGenContext arg5, JobSpecification arg6) throws AlgebricksException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getInsertRuntime(IDataSource<S> arg0,
+            IOperatorSchema arg1, List<LogicalVariable> arg2, LogicalVariable arg3, RecordDescriptor arg4,
+            JobGenContext arg5, JobSpecification arg6) throws AlgebricksException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getWriteResultRuntime(IDataSource<S> arg0,
+            IOperatorSchema arg1, List<LogicalVariable> arg2, LogicalVariable arg3, JobGenContext arg4,
+            JobSpecification arg5) throws AlgebricksException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
+            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc, boolean ordered,
+            JobSpecification spec) throws AlgebricksException {
+        return null;
+    }
+
+    @Override
+    public IFunctionInfo lookupFunction(FunctionIdentifier arg0) {
+        return new HiveFunctionInfo(arg0, null);
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexInsertRuntime(
+            IDataSourceIndex<T, S> dataSource, IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas,
+            IVariableTypeEnvironment typeEnv, List<LogicalVariable> primaryKeys, List<LogicalVariable> secondaryKeys,
+            ILogicalExpression filterExpr, RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec)
+            throws AlgebricksException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexDeleteRuntime(
+            IDataSourceIndex<T, S> dataSource, IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas,
+            IVariableTypeEnvironment typeEnv, List<LogicalVariable> primaryKeys, List<LogicalVariable> secondaryKeys,
+            ILogicalExpression filterExpr, RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec)
+            throws AlgebricksException {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
 }