diff options
Diffstat (limited to 'java/com/android/dialer/calllog/datasources/CallLogMutations.java')
-rw-r--r-- | java/com/android/dialer/calllog/datasources/CallLogMutations.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/datasources/CallLogMutations.java b/java/com/android/dialer/calllog/datasources/CallLogMutations.java new file mode 100644 index 000000000..148601d68 --- /dev/null +++ b/java/com/android/dialer/calllog/datasources/CallLogMutations.java @@ -0,0 +1,110 @@ +/* + * 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.datasources; + +import android.content.ContentValues; +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<Long, ContentValues> inserts = new ArrayMap<>(); + private final ArrayMap<Long, ContentValues> updates = new ArrayMap<>(); + private final ArraySet<Long> deletes = new ArraySet<>(); + + /** + * @param contentValues an entire row not including the ID + * @throws IllegalStateException if this {@link CallLogMutations} already contains an insert, + * update, or delete with the provided id + */ + public void insert(long id, ContentValues contentValues) { + Assert.checkArgument(!inserts.containsKey(id), "Can't insert row already scheduled for insert"); + Assert.checkArgument(!updates.containsKey(id), "Can't insert row scheduled for update"); + Assert.checkArgument(!deletes.contains(id), "Can't insert row scheduled for delete"); + + inserts.put(id, contentValues); + } + + /** + * Stores a database update using the provided ID and content values. If this {@link + * CallLogMutations} object already contains an update with the specified ID, the existing content + * values are merged with the provided ones, with the provided ones overwriting the existing ones + * for values with the same key. + * + * @param contentValues the specific columns to update, not including the ID. + * @throws IllegalStateException if this {@link CallLogMutations} already contains an insert or + * delete with the provided id + */ + public void update(long id, ContentValues contentValues) { + Assert.checkArgument(!inserts.containsKey(id), "Can't update row scheduled for insert"); + Assert.checkArgument(!deletes.contains(id), "Can't delete row scheduled for delete"); + + ContentValues existingContentValues = updates.get(id); + if (existingContentValues != null) { + existingContentValues.putAll(contentValues); + } else { + updates.put(id, contentValues); + } + } + + /** + * @throws IllegalStateException if this {@link CallLogMutations} already contains an insert, + * update, or delete with the provided id + */ + public void delete(long id) { + Assert.checkArgument(!inserts.containsKey(id), "Can't delete row scheduled for insert"); + Assert.checkArgument(!updates.containsKey(id), "Can't delete row scheduled for update"); + Assert.checkArgument(!deletes.contains(id), "Can't delete row already scheduled for delete"); + + deletes.add(id); + } + + public boolean isEmpty() { + return inserts.isEmpty() && updates.isEmpty() && deletes.isEmpty(); + } + + /** + * Get the pending inserts. + * + * @return the pending inserts where the key is the annotated call log database ID and the values + * are values to be inserted (not including the ID) + */ + public ArrayMap<Long, ContentValues> getInserts() { + return inserts; + } + + /** + * Get the pending updates. + * + * @return the pending updates where the key is the annotated call log database ID and the values + * are values to be updated (not including the ID) + */ + public ArrayMap<Long, ContentValues> getUpdates() { + return updates; + } + + /** + * Get the pending deletes. + * + * @return the annotated call log database IDs corresponding to the rows to be deleted + */ + public ArraySet<Long> getDeletes() { + return deletes; + } +} |