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/*
* 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.ContentProviderOperation;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.os.RemoteException;
import android.support.annotation.WorkerThread;
import android.text.TextUtils;
import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract;
import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
import com.android.dialer.calllog.datasources.CallLogMutations;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
import com.google.common.collect.Iterables;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map.Entry;
import javax.inject.Inject;
/** Applies {@link CallLogMutations} to the annotated call log. */
public class MutationApplier {
private final ListeningExecutorService backgroundExecutorService;
@Inject
MutationApplier(@BackgroundExecutor ListeningExecutorService backgroundExecutorService) {
this.backgroundExecutorService = backgroundExecutorService;
}
/** Applies the provided {@link CallLogMutations} to the annotated call log. */
public ListenableFuture<Void> applyToDatabase(CallLogMutations mutations, Context appContext) {
if (mutations.isEmpty()) {
return Futures.immediateFuture(null);
}
return backgroundExecutorService.submit(
() -> {
applyToDatabaseInternal(mutations, appContext);
return null;
});
}
@WorkerThread
private void applyToDatabaseInternal(CallLogMutations mutations, Context appContext)
throws RemoteException, OperationApplicationException {
Assert.isWorkerThread();
ArrayList<ContentProviderOperation> operations = new ArrayList<>();
if (!mutations.getInserts().isEmpty()) {
LogUtil.i(
"MutationApplier.applyToDatabase", "inserting %d rows", mutations.getInserts().size());
for (Entry<Long, ContentValues> entry : mutations.getInserts().entrySet()) {
long id = entry.getKey();
ContentValues contentValues = entry.getValue();
operations.add(
ContentProviderOperation.newInsert(
ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
.withValues(contentValues)
.build());
}
}
if (!mutations.getUpdates().isEmpty()) {
LogUtil.i(
"MutationApplier.applyToDatabase", "updating %d rows", mutations.getUpdates().size());
for (Entry<Long, ContentValues> entry : mutations.getUpdates().entrySet()) {
long id = entry.getKey();
ContentValues contentValues = entry.getValue();
operations.add(
ContentProviderOperation.newUpdate(
ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
.withValues(contentValues)
.build());
}
}
if (!mutations.getDeletes().isEmpty()) {
LogUtil.i(
"MutationApplier.applyToDatabase", "deleting %d rows", mutations.getDeletes().size());
// Batch the deletes into chunks of 999, the maximum size for SQLite selection args.
Iterable<List<Long>> batches = Iterables.partition(mutations.getDeletes(), 999);
for (List<Long> idsInBatch : batches) {
String[] questionMarks = new String[idsInBatch.size()];
Arrays.fill(questionMarks, "?");
String whereClause =
(AnnotatedCallLog._ID + " in (") + TextUtils.join(",", questionMarks) + ")";
String[] whereArgs = new String[idsInBatch.size()];
int i = 0;
for (long id : idsInBatch) {
whereArgs[i++] = String.valueOf(id);
}
operations.add(
ContentProviderOperation.newDelete(AnnotatedCallLog.CONTENT_URI)
.withSelection(whereClause, whereArgs)
.build());
}
}
appContext.getContentResolver().applyBatch(AnnotatedCallLogContract.AUTHORITY, operations);
}
}
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