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/*
* Copyright (C) 2023 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.ondevicepersonalization.services;
import android.annotation.NonNull;
import android.provider.DeviceConfig;
/** Flags Implementation that delegates to DeviceConfig. */
// TODO(b/228037065): Add validation logics for Feature flags read from PH.
public final class PhFlags implements Flags {
/*
* Keys for ALL the flags stored in DeviceConfig.
*/
// Killswitch keys
static final String KEY_GLOBAL_KILL_SWITCH = "global_kill_switch";
static final String KEY_ENABLE_ONDEVICEPERSONALIZATION_APIS =
"enable_ondevicepersonalization_apis";
static final String KEY_ENABLE_PERSONALIZATION_STATUS_OVERRIDE =
"enable_personalization_status_override";
static final String KEY_PERSONALIZATION_STATUS_OVERRIDE_VALUE =
"personalization_status_override_value";
static final String KEY_ISOLATED_SERVICE_DEADLINE_SECONDS =
"isolated_service_deadline_seconds";
// OnDevicePersonalization Namespace String from DeviceConfig class
static final String NAMESPACE_ON_DEVICE_PERSONALIZATION = "on_device_personalization";
private static final PhFlags sSingleton = new PhFlags();
/** Returns the singleton instance of the PhFlags. */
@NonNull
public static PhFlags getInstance() {
return sSingleton;
}
// Group of All Killswitches
@Override
public boolean getGlobalKillSwitch() {
// The priority of applying the flag values: PH (DeviceConfig), then hard-coded value.
return DeviceConfig.getBoolean(
/* namespace= */ NAMESPACE_ON_DEVICE_PERSONALIZATION,
/* name= */ KEY_GLOBAL_KILL_SWITCH,
/* defaultValue= */ GLOBAL_KILL_SWITCH);
}
@Override
public boolean isOnDevicePersonalizationApisEnabled() {
if (getGlobalKillSwitch()) {
return false;
}
// The priority of applying the flag values: PH (DeviceConfig), then user hard-coded value.
return DeviceConfig.getBoolean(
/* namespace= */ NAMESPACE_ON_DEVICE_PERSONALIZATION,
/* name= */ KEY_ENABLE_ONDEVICEPERSONALIZATION_APIS,
/* defaultValue= */ ENABLE_ONDEVICEPERSONALIZATION_APIS);
}
@Override
public boolean isPersonalizationStatusOverrideEnabled() {
if (getGlobalKillSwitch()) {
return false;
}
// The priority of applying the flag values: PH (DeviceConfig), then user hard-coded value.
return DeviceConfig.getBoolean(
/* namespace= */ NAMESPACE_ON_DEVICE_PERSONALIZATION,
/* name= */ KEY_ENABLE_PERSONALIZATION_STATUS_OVERRIDE,
/* defaultValue= */ ENABLE_PERSONALIZATION_STATUS_OVERRIDE);
}
@Override
public boolean getPersonalizationStatusOverrideValue() {
if (getGlobalKillSwitch()) {
return false;
}
// The priority of applying the flag values: PH (DeviceConfig), then user hard-coded value.
return DeviceConfig.getBoolean(
/* namespace= */ NAMESPACE_ON_DEVICE_PERSONALIZATION,
/* name= */ KEY_PERSONALIZATION_STATUS_OVERRIDE_VALUE,
/* defaultValue= */ PERSONALIZATION_STATUS_OVERRIDE_VALUE);
}
@Override
public int getIsolatedServiceDeadlineSeconds() {
// The priority of applying the flag values: PH (DeviceConfig), then user hard-coded value.
return DeviceConfig.getInt(
/* namespace= */ NAMESPACE_ON_DEVICE_PERSONALIZATION,
/* name= */ KEY_ISOLATED_SERVICE_DEADLINE_SECONDS,
/* defaultValue= */ ISOLATED_SERVICE_DEADLINE_SECONDS);
}
}
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