Rename variable to keep naming convention (#5209)

* Rename valuable to keep naming convention

* improve comment's readability

* change naming

Author: cherylEnkidu

firebase-firestore/src/main/java/com/google/firebase/firestore/core/FirestoreClient.java

@@ -353,9 +353,9 @@ public Task<Void> configureFieldIndexes(List<FieldIndex> fieldIndices) {
     return asyncQueue.enqueue(() -> localStore.configureFieldIndexes(fieldIndices));
   }
 
-  public void setIndexAutoCreationEnabled(boolean enabled) {
+  public void setIndexAutoCreationEnabled(boolean isEnabled) {
     verifyNotTerminated();
-    asyncQueue.enqueueAndForget(() -> localStore.setIndexAutoCreationEnabled(enabled));
+    asyncQueue.enqueueAndForget(() -> localStore.setIndexAutoCreationEnabled(isEnabled));
   }
 
   public void deleteAllFieldIndexes() {

firebase-firestore/src/main/java/com/google/firebase/firestore/local/LocalStore.java

@@ -806,8 +806,8 @@ public void deleteAllFieldIndexes() {
     persistence.runTransaction("Delete All Indexes", () -> indexManager.deleteAllFieldIndexes());
   }
 
-  public void setIndexAutoCreationEnabled(boolean enabled) {
-    queryEngine.setIndexAutoCreationEnabled(enabled);
+  public void setIndexAutoCreationEnabled(boolean isEnabled) {
+    queryEngine.setIndexAutoCreationEnabled(isEnabled);
   }
 
   /** Mutable state for the transaction in allocateQuery. */

firebase-firestore/src/main/java/com/google/firebase/firestore/local/QueryEngine.java

@@ -88,8 +88,8 @@ public void initialize(LocalDocumentsView localDocumentsView, IndexManager index
     this.initialized = true;
   }
 
-  public void setIndexAutoCreationEnabled(boolean enabled) {
-    this.indexAutoCreationEnabled = enabled;
+  public void setIndexAutoCreationEnabled(boolean isEnabled) {
+    this.indexAutoCreationEnabled = isEnabled;
   }
 
   public ImmutableSortedMap<DocumentKey, Document> getDocumentsMatchingQuery(

firebase-firestore/src/main/java/com/google/firebase/firestore/model/TargetIndexMatcher.java

@@ -195,7 +195,7 @@ public boolean servedByIndex(FieldIndex index) {
   /** Returns a full matched field index for this target. */
   public FieldIndex buildTargetIndex() {
     // We want to make sure only one segment created for one field. For example, in case like
-    // a == 3 and a > 2, index, a ASCENDING, will only be created once.
+    // a == 3 and a > 2, Index: {a ASCENDING} will only be created once.
     Set<FieldPath> uniqueFields = new HashSet<>();
     List<FieldIndex.Segment> segments = new ArrayList<>();
 

firebase-firestore/src/test/java/com/google/firebase/firestore/local/CountingQueryEngine.java

@@ -88,8 +88,8 @@ public ImmutableSortedMap<DocumentKey, Document> getDocumentsMatchingQuery(
   }
 
   @Override
-  public void setIndexAutoCreationEnabled(boolean enabled) {
-    queryEngine.setIndexAutoCreationEnabled(enabled);
+  public void setIndexAutoCreationEnabled(boolean isEnabled) {
+    queryEngine.setIndexAutoCreationEnabled(isEnabled);
   }
 
   @Override

firebase-firestore/src/test/java/com/google/firebase/firestore/local/LocalStoreTestCase.java

@@ -217,13 +217,13 @@ protected void executeQuery(Query query) {
     lastQueryResult = localStore.executeQuery(query, /* usePreviousResults= */ true);
   }
 
-  protected void setIndexAutoCreationEnabled(boolean enabled) {
+  protected void setIndexAutoCreationEnabled(boolean isEnabled) {
     // Noted: there are two queryEngines here, the first one is extended by CountingQueryEngine,
     // which is set by localStore function; The second one a pointer inside CountingQueryEngine,
     // which is set by queryEngine function.
     // Only the second function takes effect in the tests. Adding first one here for compatibility.
-    localStore.setIndexAutoCreationEnabled(enabled);
-    queryEngine.setIndexAutoCreationEnabled(enabled);
+    localStore.setIndexAutoCreationEnabled(isEnabled);
+    queryEngine.setIndexAutoCreationEnabled(isEnabled);
   }
 
   protected void setMinCollectionSizeToAutoCreateIndex(int newMin) {

firebase-firestore/src/test/java/com/google/firebase/firestore/model/TargetIndexMatcherTest.java

@@ -58,7 +58,7 @@ public class TargetIndexMatcherTest {
           query("collId")
               .filter(filter("a", "array-contains-any", Collections.singletonList("a"))));
 
-  List<Query> queriesWithOrderBy =
+  List<Query> queriesWithOrderBys =
       Arrays.asList(
           query("collId").orderBy(orderBy("a")),
           query("collId").orderBy(orderBy("a", "desc")),
@@ -665,7 +665,7 @@ public void testBuildTargetIndexWithQueriesWithArrayContains() {
 
   @Test
   public void testBuildTargetIndexWithQueriesWithOrderBy() {
-    for (Query query : queriesWithOrderBy) {
+    for (Query query : queriesWithOrderBys) {
       validateBuildTargetIndexCreateFullMatchIndex(query);
     }
   }