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/*
* Copyright (C) 2022 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.server.telecom.voip;
import com.android.server.telecom.LoggedHandlerExecutor;
import com.android.server.telecom.TelecomSystem;
import java.util.List;
import java.util.concurrent.CompletableFuture;
/**
* A VoipCallTransaction implementation that its sub transactions will be executed in serial
*/
public class SerialTransaction extends VoipCallTransaction {
public SerialTransaction(List<VoipCallTransaction> subTransactions,
TelecomSystem.SyncRoot lock) {
super(subTransactions, lock);
}
public void appendTransaction(VoipCallTransaction transaction){
mSubTransactions.add(transaction);
}
@Override
public void start() {
// post timeout work
CompletableFuture<Void> future = new CompletableFuture<>();
mHandler.postDelayed(() -> future.complete(null), TIMEOUT_LIMIT);
future.thenApplyAsync((x) -> {
if (mCompleted.getAndSet(true)) {
return null;
}
if (mCompleteListener != null) {
mCompleteListener.onTransactionTimeout(mTransactionName);
}
finish();
return null;
}, new LoggedHandlerExecutor(mHandler, mTransactionName + "@" + hashCode()
+ ".s", mLock));
if (mSubTransactions != null && mSubTransactions.size() > 0) {
TransactionManager.TransactionCompleteListener subTransactionListener =
new TransactionManager.TransactionCompleteListener() {
@Override
public void onTransactionCompleted(VoipCallTransactionResult result,
String transactionName) {
if (result.getResult() != VoipCallTransactionResult.RESULT_SUCCEED) {
handleTransactionFailure();
CompletableFuture.completedFuture(null).thenApplyAsync(
(x) -> {
VoipCallTransactionResult mainResult =
new VoipCallTransactionResult(
VoipCallTransactionResult.RESULT_FAILED,
String.format(
"sub transaction %s failed",
transactionName));
mCompleteListener.onTransactionCompleted(mainResult,
mTransactionName);
finish();
return null;
}, new LoggedHandlerExecutor(mHandler,
mTransactionName + "@" + hashCode()
+ ".oTC", mLock));
} else {
if (mSubTransactions.size() > 0) {
VoipCallTransaction transaction = mSubTransactions.remove(0);
transaction.setCompleteListener(this);
transaction.start();
} else {
scheduleTransaction();
}
}
}
@Override
public void onTransactionTimeout(String transactionName) {
handleTransactionFailure();
CompletableFuture.completedFuture(null).thenApplyAsync(
(x) -> {
VoipCallTransactionResult mainResult =
new VoipCallTransactionResult(
VoipCallTransactionResult.RESULT_FAILED,
String.format("sub transaction %s timed out",
transactionName));
mCompleteListener.onTransactionCompleted(mainResult,
mTransactionName);
finish();
return null;
}, new LoggedHandlerExecutor(mHandler,
mTransactionName + "@" + hashCode()
+ ".oTT", mLock));
}
};
VoipCallTransaction transaction = mSubTransactions.remove(0);
transaction.setCompleteListener(subTransactionListener);
transaction.start();
} else {
scheduleTransaction();
}
}
public void handleTransactionFailure() {}
}
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