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 6948769..fe24bc9 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
@@ -32,105 +32,125 @@
 @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;
-    }
+	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 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 IDataSource<S> findDataSource(S id) throws AlgebricksException {
+		return dataSourceMap.get(id);
+	}
 
-    @Override
-    public boolean scannerOperatorIsLeaf(IDataSource<S> dataSource) {
-        return true;
-    }
+	@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 {
+	@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);
-    }
+		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) {
+	@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);
-    }
+		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> 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> 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> 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 IFunctionInfo lookupFunction(FunctionIdentifier arg0) {
-        return new HiveFunctionInfo(arg0, 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 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> 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;
-    }
+	@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;
+	}
 
 }