1 files changed, 8 insertions, 1 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
index bcea66498..e9179f864 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
@@ -43,8 +43,8 @@ import org.sufficientlysecure.keychain.pgp.PgpConversionHelper;
 import org.sufficientlysecure.keychain.pgp.PgpHelper;
 import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiApps;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
@@ -77,6 +77,7 @@ public class ProviderHelper {
     public static Object getGenericData(Context context, Uri uri, String column, int type) {
         return getGenericData(context, uri, new String[] { column }, new int[] { type }).get(column);
     }
+
     public static HashMap<String,Object> getGenericData(Context context, Uri uri, String[] proj, int[] types) {
         Cursor cursor = context.getContentResolver().query(uri, proj, null, null, null);
 
@@ -105,10 +106,15 @@ public class ProviderHelper {
     public static Object getUnifiedData(Context context, long masterKeyId, String column, int type) {
         return getUnifiedData(context, masterKeyId, new String[] { column }, new int[] { type }).get(column);
     }
+
     public static HashMap<String,Object> getUnifiedData(Context context, long masterKeyId, String[] proj, int[] types) {
         return getGenericData(context, KeyRings.buildUnifiedKeyRingUri(Long.toString(masterKeyId)), proj, types);
     }
 
+    /**
+     * Find the master key id related to a given query. The id will either be extracted from the
+     * query, which should work for all specific /key_rings/ queries, or will be queried if it can't.
+     */
     public static long getMasterKeyId(Context context, Uri queryUri) {
         // try extracting from the uri first
         String firstSegment = queryUri.getPathSegments().get(1);
@@ -504,6 +510,7 @@ public class ProviderHelper {
             return null;
         }
     }
+
     private static Cursor getCursorWithSelectedKeyringMasterKeyIds(Context context, long[] masterKeyIds) {
         Cursor cursor = null;
         if (masterKeyIds != null && masterKeyIds.length > 0) {