/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.transactions;
import org.jetbrains.annotations.Nullable;
/**
* Cache transaction state.
*/
public enum TransactionState {
/** Transaction started. */
ACTIVE,
/** Transaction validating. */
PREPARING,
/** Transaction validation succeeded. */
PREPARED,
/** Transaction is marked for rollback. */
MARKED_ROLLBACK,
/** Transaction commit started (validating finished). */
COMMITTING,
/** Transaction commit succeeded. */
COMMITTED,
/** Transaction rollback started (validation failed). */
ROLLING_BACK,
/** Transaction rollback succeeded. */
ROLLED_BACK,
/** Transaction rollback failed or is otherwise unknown state. */
UNKNOWN;
/** Enumerated values. */
private static final TransactionState[] VALS = values();
/**
* Efficiently gets enumerated value from its ordinal.
*
* @param ord Ordinal value.
* @return Enumerated value or {@code null} if ordinal out of range.
*/
@Nullable public static TransactionState fromOrdinal(int ord) {
return ord >= 0 && ord < VALS.length ? VALS[ord] : null;
}
}