Use estimatedData for data availability

No need for another `Map` with Autoboxed `Boolean` values.

Author: grantland

Parse/src/main/java/com/parse/ParseObject.java

@@ -306,7 +306,6 @@ public String toString() {
 
   // Cached State
   private final Map<String, Object> estimatedData;
-  private final Map<String, Boolean> dataAvailability;
   private final Map<Object, ParseJSONCacheItem> hashedObjects; // For mutable containers
 
   private String localId;
@@ -385,7 +384,6 @@ public ParseObject(String theClassName) {
     operationSetQueue.add(new ParseOperationSet());
     estimatedData = new HashMap<>();
     hashedObjects = new IdentityHashMap<>();
-    dataAvailability = new HashMap<>();
 
     State.Init<?> builder = newStateBuilder(theClassName);
     // When called from new, assume hasData for the whole object is true.
@@ -754,7 +752,6 @@ private void setState(State newState, boolean notifyIfObjectIdChanges) {
       }
 
       rebuildEstimatedData();
-      rebuildDataAvailability();
       checkpointAllMutableContainers();
     }
   }
@@ -843,7 +840,6 @@ public Set<String> keySet() {
     synchronized (mutex) {
       currentOperations().remove(key);
       rebuildEstimatedData();
-      rebuildDataAvailability();
       checkpointAllMutableContainers();
     }
   }
@@ -856,7 +852,6 @@ public Set<String> keySet() {
     synchronized (mutex) {
       currentOperations().clear();
       rebuildEstimatedData();
-      rebuildDataAvailability();
       checkpointAllMutableContainers();
     }
   }
@@ -2959,18 +2954,6 @@ private void rebuildEstimatedData() {
     }
   }
 
-  /**
-   * Regenerates the dataAvailability map from the serverData.
-   */
-  private void rebuildDataAvailability() {
-    synchronized (mutex) {
-      dataAvailability.clear();
-      for (String key : state.keySet()) {
-        dataAvailability.put(key, true);
-      }
-    }
-  }
-
   /**
    * performOperation() is like {@link #put(String, Object)} but instead of just taking a new value,
    * it takes a ParseFieldOperation that modifies the value.
@@ -2990,7 +2973,6 @@ private void rebuildDataAvailability() {
       currentOperations().put(key, newOperation);
 
       checkpointMutableContainer(key, newValue);
-      dataAvailability.put(key, Boolean.TRUE);
     }
   }
 
@@ -3546,8 +3528,7 @@ public boolean isDataAvailable() {
 
   private boolean isDataAvailable(String key) {
     synchronized (mutex) {
-      return isDataAvailable()
-          || (dataAvailability.containsKey(key) ? dataAvailability.get(key) : false);
+      return isDataAvailable() || estimatedData.containsKey(key);
     }
   }
 

Parse/src/test/java/com/parse/ParseObjectTest.java

@@ -27,6 +27,7 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 public class ParseObjectTest {
 
@@ -73,6 +74,16 @@ public void testFromJSONPayloadWithoutClassname() throws JSONException {
 
   //region testGetter
 
+  @Test( expected = IllegalStateException.class )
+  public void testGetUnavailable() {
+    ParseObject.State state = mock(ParseObject.State.class);
+    when(state.className()).thenReturn("TestObject");
+    when(state.isComplete()).thenReturn(false);
+
+    ParseObject object = ParseObject.from(state);
+    object.get("foo");
+  }
+
   @Test
   public void testGetList() throws Exception {
     ParseObject object = new ParseObject("Test");