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/*
* Copyright (C) 2021 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.internal.telephony;
import android.os.RemoteException;
/**
* A holder for IRadio services. Use getHidl to get IRadio 1.0 and call the HIDL implementations or
* getAidl to get the AIDL service and call the AIDL implementations of the HAL APIs.
*/
public abstract class RadioServiceProxy {
boolean mIsAidl;
HalVersion mHalVersion = RIL.RADIO_HAL_VERSION_UNKNOWN;
volatile android.hardware.radio.V1_0.IRadio mRadioProxy = null;
/**
* Whether RadioServiceProxy is an AIDL or HIDL implementation
* @return true if AIDL, false if HIDL
*/
public boolean isAidl() {
return mIsAidl;
}
/**
* Set IRadio as the HIDL implementation for RadioServiceProxy
* @param halVersion Radio HAL version
* @param radio IRadio implementation
*/
public void setHidl(HalVersion halVersion, android.hardware.radio.V1_0.IRadio radio) {
mHalVersion = halVersion;
mRadioProxy = radio;
mIsAidl = false;
}
/**
* Get the HIDL implementation of RadioServiceProxy
* @return IRadio implementation
*/
public android.hardware.radio.V1_0.IRadio getHidl() {
return mRadioProxy;
}
/**
* Reset RadioServiceProxy
*/
public void clear() {
mHalVersion = RIL.RADIO_HAL_VERSION_UNKNOWN;
mRadioProxy = null;
}
/**
* Check whether an implementation exists for this service
* @return false if there is neither a HIDL nor AIDL implementation
*/
public boolean isEmpty() {
return mRadioProxy == null;
}
/**
* Call responseAcknowledgement for the service
* @throws RemoteException
*/
public void responseAcknowledgement() throws RemoteException {
if (isEmpty()) return;
if (!isAidl()) mRadioProxy.responseAcknowledgement();
}
}
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