1 files changed, 58 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/database/CallLogMutations.java b/java/com/android/dialer/calllog/database/CallLogMutations.java
new file mode 100644
index 000000000..ec020c6af
--- /dev/null
+++ b/java/com/android/dialer/calllog/database/CallLogMutations.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.dialer.calllog.database;
+
+import android.content.ContentValues;
+import android.database.sqlite.SQLiteDatabase;
+import android.support.annotation.WorkerThread;
+import android.util.ArrayMap;
+import android.util.ArraySet;
+import com.android.dialer.common.Assert;
+
+/** A collection of mutations to the annotated call log. */
+public final class CallLogMutations {
+
+  private final ArrayMap<Integer, ContentValues> inserts = new ArrayMap<>();
+  private final ArrayMap<Integer, ContentValues> updates = new ArrayMap<>();
+  private final ArraySet<Integer> deletes = new ArraySet<>();
+
+  /** @param contentValues an entire row not including the ID */
+  public void insert(int id, ContentValues contentValues) {
+    inserts.put(id, contentValues);
+  }
+
+  /** @param contentValues the specific columns to update, not including the ID. */
+  public void update(int id, ContentValues contentValues) {
+    // TODO: Consider merging automatically.
+    updates.put(id, contentValues);
+  }
+
+  public void delete(int id) {
+    deletes.add(id);
+  }
+
+  public boolean isEmpty() {
+    return inserts.isEmpty() && updates.isEmpty() && deletes.isEmpty();
+  }
+
+  @WorkerThread
+  public void applyToDatabase(SQLiteDatabase writableDatabase) {
+    Assert.isWorkerThread();
+
+    // TODO: Implementation.
+  }
+}