Revert ""Rollback" mimetype cache"

This reverts commit c624ff13d5df4848a6ec605e25ea8469dd677d5d

Due to b/6123232

1 files changed, 3 insertions, 43 deletions

diff --git a/src/com/android/providers/contacts/ContactsDatabaseHelper.java b/src/com/android/providers/contacts/ContactsDatabaseHelper.java
index a476ee7..32928ba 100644
--- a/src/com/android/providers/contacts/ContactsDatabaseHelper.java
+++ b/src/com/android/providers/contacts/ContactsDatabaseHelper.java
@@ -700,16 +700,12 @@ public class ContactsDatabaseHelper extends SQLiteOpenHelper {
     }
 
     /** In-memory cache of previously found MIME-type mappings */
+    // TODO Use ConcurrentHashMap?
     private final HashMap<String, Long> mMimetypeCache = new HashMap<String, Long>();
-
-    /** TODO Remove it */
+    /** In-memory cache of previously found package name mappings */
+    // TODO Use ConcurrentHashMap?
     private final HashMap<String, Long> mPackageCache = new HashMap<String, Long>();
 
-    /**
-     * The last known maximum mimetype ID when the current transaction started.  Used to
-     * "Rollback" {@link #mMimetypeCache}.
-     */
-    private long mMaxMimeTypeIdAtTransactionStart;
     private long mMimeTypeIdEmail;
     private long mMimeTypeIdIm;
     private long mMimeTypeIdNickname;
@@ -4126,42 +4122,6 @@ public class ContactsDatabaseHelper extends SQLiteOpenHelper {
         }
     }
 
-    private long getBiggestCachedMimetypeId() {
-        long max = -1;
-        for (long id : mMimetypeCache.values()) {
-            if (id > max) max = id;
-        }
-        return max;
-    }
-
-    public void onBeginTransaction() {
-        if (Log.isLoggable(TAG, Log.VERBOSE)) {
-            Log.v(TAG, "onBeginTransaction: [" + getClass().getSimpleName() + "]");
-        }
-        mMaxMimeTypeIdAtTransactionStart = getBiggestCachedMimetypeId();
-    }
-
-    public void onCommitTransaction() {
-        if (Log.isLoggable(TAG, Log.VERBOSE)) {
-            Log.v(TAG, "onCommitTransaction: [" + getClass().getSimpleName() + "]");
-        }
-    }
-
-    public void onRollbackTransaction() {
-        Log.w(TAG, "onRollbackTransaction: [" + getClass().getSimpleName() + "]");
-
-        final Set<String> mimetypesToRemove = Sets.newHashSet();
-        for (String mimetype : mMimetypeCache.keySet()) {
-            if (mMimetypeCache.get(mimetype) > mMaxMimeTypeIdAtTransactionStart) {
-                mimetypesToRemove.add(mimetype);
-            }
-        }
-
-        for (String mimetype : mimetypesToRemove) {
-            mMimetypeCache.remove(mimetype);
-        }
-    }
-
     /**
      * Gets all accounts in the accounts table.
      */