diff options
author | linyuh <linyuh@google.com> | 2018-06-15 13:31:28 -0700 |
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committer | Copybara-Service <copybara-piper@google.com> | 2018-06-18 13:20:17 -0700 |
commit | 8f1fbd77f64fdf376e70dd3e7de3c8eb5d9cfbf9 (patch) | |
tree | e212342f4a8b8a4e29c52c8df34225a1fb11a0b5 /java/com/android/dialer/calllog/datasources/util | |
parent | eed866a9b6bf32cb81e62fc94b94cd3242895c76 (diff) |
Improve Coalescer performance
Bug: 77813585
Test: CoalescerTest
PiperOrigin-RevId: 200764878
Change-Id: I7e3d9c3b4eab1e5de12a108b82c04704550c8c5e
Diffstat (limited to 'java/com/android/dialer/calllog/datasources/util')
-rw-r--r-- | java/com/android/dialer/calllog/datasources/util/RowCombiner.java | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/java/com/android/dialer/calllog/datasources/util/RowCombiner.java b/java/com/android/dialer/calllog/datasources/util/RowCombiner.java deleted file mode 100644 index 2bb65cc3e..000000000 --- a/java/com/android/dialer/calllog/datasources/util/RowCombiner.java +++ /dev/null @@ -1,108 +0,0 @@ -/* - * 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.util; - -import android.content.ContentValues; -import com.android.dialer.common.Assert; -import java.util.Iterator; -import java.util.List; -import java.util.Objects; - -/** Convenience class for aggregating row values. */ -public class RowCombiner { - private final List<ContentValues> individualRowsSortedByTimestampDesc; - private final ContentValues combinedRow = new ContentValues(); - - public RowCombiner(List<ContentValues> individualRowsSortedByTimestampDesc) { - Assert.checkArgument(!individualRowsSortedByTimestampDesc.isEmpty()); - this.individualRowsSortedByTimestampDesc = individualRowsSortedByTimestampDesc; - } - - /** Use the most recent value for the specified column. */ - public RowCombiner useMostRecentInt(String columnName) { - combinedRow.put( - columnName, individualRowsSortedByTimestampDesc.get(0).getAsInteger(columnName)); - return this; - } - - /** Use the most recent value for the specified column. */ - public RowCombiner useMostRecentLong(String columnName) { - combinedRow.put(columnName, individualRowsSortedByTimestampDesc.get(0).getAsLong(columnName)); - return this; - } - - /** Use the most recent value for the specified column. */ - public RowCombiner useMostRecentString(String columnName) { - combinedRow.put(columnName, individualRowsSortedByTimestampDesc.get(0).getAsString(columnName)); - return this; - } - - public RowCombiner useMostRecentBlob(String columnName) { - combinedRow.put( - columnName, individualRowsSortedByTimestampDesc.get(0).getAsByteArray(columnName)); - return this; - } - - /** Asserts that all column values for the given column name are the same, and uses it. */ - public RowCombiner useSingleValueString(String columnName) { - Iterator<ContentValues> iterator = individualRowsSortedByTimestampDesc.iterator(); - String singleValue = iterator.next().getAsString(columnName); - while (iterator.hasNext()) { - String current = iterator.next().getAsString(columnName); - Assert.checkState(Objects.equals(singleValue, current), "Values different for " + columnName); - } - combinedRow.put(columnName, singleValue); - return this; - } - - /** Asserts that all column values for the given column name are the same, and uses it. */ - public RowCombiner useSingleValueLong(String columnName) { - Iterator<ContentValues> iterator = individualRowsSortedByTimestampDesc.iterator(); - Long singleValue = iterator.next().getAsLong(columnName); - while (iterator.hasNext()) { - Long current = iterator.next().getAsLong(columnName); - Assert.checkState(Objects.equals(singleValue, current), "Values different for " + columnName); - } - combinedRow.put(columnName, singleValue); - return this; - } - - /** Asserts that all column values for the given column name are the same, and uses it. */ - public RowCombiner useSingleValueInt(String columnName) { - Iterator<ContentValues> iterator = individualRowsSortedByTimestampDesc.iterator(); - Integer singleValue = iterator.next().getAsInteger(columnName); - while (iterator.hasNext()) { - Integer current = iterator.next().getAsInteger(columnName); - Assert.checkState(Objects.equals(singleValue, current), "Values different for " + columnName); - } - combinedRow.put(columnName, singleValue); - return this; - } - - /** Performs a bitwise OR on the specified column and yields the result. */ - public RowCombiner bitwiseOr(String columnName) { - int combinedValue = 0; - for (ContentValues val : individualRowsSortedByTimestampDesc) { - combinedValue |= val.getAsInteger(columnName); - } - combinedRow.put(columnName, combinedValue); - return this; - } - - public ContentValues combine() { - return combinedRow; - } -} |