com.couchbase.client.kotlin.transactions.TransactionCommitAmbiguousException.kt Maven / Gradle / Ivy

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The official Couchbase Kotlin SDK

There is a newer version: 1.4.7

/*
 * Copyright 2024 Couchbase, Inc.
 *
 * 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.couchbase.client.kotlin.transactions

import com.couchbase.client.core.error.transaction.internal.CoreTransactionCommitAmbiguousException

/**
 * The transaction expired at the point of trying to commit it.
 * It is ambiguous whether the transaction has committed or not.
 * Actors may be able to see the content of this transaction.
 *
 * This error is result of inevitable and unavoidable edge cases when working with unreliable networks.
 * For example, consider an ordinary mutation being made over the network to any database.
 * The mutation could succeed on the database-side, and then just before the result is returned to the client, the network connection drops.
 * The client cannot receive the success result and will time out - it is ambiguous to it whether the mutation succeeded or not.
 *
 * The transactions layer will work to resolve the ambiguity up until the transaction expires, but if unable to resolve
 * it in that time, it is forced to raise this error.
 * The transaction may or may not have been successful, and error-handling of this is highly application-dependent.
 *
 * An asynchronous cleanup process will try to complete the transaction: roll it back if it didn't commit, roll it
 * forwards if it did.
 */
public class TransactionCommitAmbiguousException(e: CoreTransactionCommitAmbiguousException) : TransactionFailedException(e)