EAGLESIX-812 Formatting updates

lib/pipeline/documentSources/GroupDocumentSource.js

@@ -25,16 +25,15 @@ var GroupDocumentSource = module.exports = function GroupDocumentSource(expCtx)
 	base.call(this, expCtx);
 
 	this.populated = false;
-	this._doingMerge = false;
-	this._spilled = false;
+	this.doingMerge = false;
+	this.spilled = false;
 	this.extSortAllowed = expCtx.extSortAllowed && !expCtx.inRouter;
-	this._maxMemoryUsageBytes = 100*1024*1024; // NOTE: This came from mongo
 
 	this.accumulatorFactories = [];
 	this.currentAccumulators = [];
 	this.groups = {}; // GroupsType Value -> Accumulators[]
 	this.groupsKeys = []; // This is to faciliate easier look up of groups
-	this._variables = null;
+	this.variables = null;
 	this.fieldNames = [];
 	this.idFieldNames = [];
 	this.expressions = [];
@@ -101,7 +100,7 @@ proto.getNext = function getNext(callback) {
 		},
 		function(next) {
 			// NOTE: Skipped the spilled functionality
-			if (self._spilled) {
+			if (self.spilled) {
 				throw new Error("Spilled is not implemented.");
 			} else {
 				if(self.currentGroupsKeysIndex === self.groupsKeys.length) {
@@ -266,7 +265,7 @@ klass.createFromJson = function createFromJson(elem, expCtx) {
 
 	if (!idSet) throw new Error("15955 a group specification must include an _id");
 
-	group._variables = new Variables(idGenerator.getIdCount());
+	group.variables = new Variables(idGenerator.getIdCount());
 
 	return group;
 };
@@ -300,10 +299,10 @@ proto.populate = function populate(callback) {
 				}
 
 				input = doc;
-				self._variables.setRoot(input);
+				self.variables.setRoot(input);
 
 				/* get the _id value */
-				var id = self.computeId(self._variables);
+				var id = self.computeId(self.variables);
 
 				if(undefined === id) id = null;
 
@@ -327,11 +326,11 @@ proto.populate = function populate(callback) {
 
 				//NOTE: passing the input to each accumulator
 				for(var gi=0; gi<group.length; gi++) {
-					group[gi].process(self.expressions[gi].evaluate(self._variables, self._doingMerge));
+					group[gi].process(self.expressions[gi].evaluate(self.variables, self.doingMerge));
 				}
 
 				// We are done with the ROOT document so release it.
-				self._variables.clearRoot();
+				self.variables.clearRoot();
 
 				//NOTE: Skipped the part about sorted files