io.r2dbc.postgresql.client.TransactionStatus Maven / Gradle / Ivy
/*
* Copyright 2017-2020 the original author or authors.
*
* 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
*
* https://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 io.r2dbc.postgresql.client;
import io.r2dbc.postgresql.message.backend.ReadyForQuery;
import io.r2dbc.postgresql.util.Assert;
/**
* An enumeration of transaction statuses.
*/
public enum TransactionStatus {
/**
* Indicates that the open transaction has failed.
*/
FAILED(ReadyForQuery.TransactionStatus.ERROR),
/**
* Indicates that there is no open transaction.
*/
IDLE(ReadyForQuery.TransactionStatus.IDLE),
/**
* Indicates that there is an open transaction.
*/
OPEN(ReadyForQuery.TransactionStatus.TRANSACTION);
private static final TransactionStatus CACHE[] = values();
private final ReadyForQuery.TransactionStatus discriminator;
TransactionStatus(ReadyForQuery.TransactionStatus discriminator) {
this.discriminator = Assert.requireNonNull(discriminator, "discriminator must not be null");
}
static TransactionStatus valueOf(ReadyForQuery.TransactionStatus t) {
Assert.requireNonNull(t, "t must not be null");
for (TransactionStatus transactionStatus : CACHE) {
if (transactionStatus.discriminator == t) {
return transactionStatus;
}
}
throw new IllegalArgumentException(String.format("%s is not a valid transaction status", t));
}
}