/*
 * 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.internal.tx;

import static org.apache.ignite.internal.hlc.HybridTimestamp.hybridTimestampToLong;
import static org.apache.ignite.internal.hlc.HybridTimestamp.nullableHybridTimestamp;

import java.io.Serializable;
import org.apache.ignite.internal.hlc.HybridTimestamp;
import org.apache.ignite.internal.tostring.S;
import org.jetbrains.annotations.Nullable;

/**
 * Represents transaction final result - the state and the commit timestamp.
 */
public class TransactionResult implements Serializable {
    private static final long serialVersionUID = -4975086804837572978L;

    /** Stored transaction state. */
    private final TxState transactionState;

    /** Commit timestamp if the {@link #transactionState} is {@link TxState#COMMITTED}. */
    private final long commitTimestamp;

    public TransactionResult(TxState transactionState, @Nullable HybridTimestamp commitTimestamp) {
        this.transactionState = transactionState;
        this.commitTimestamp = hybridTimestampToLong(commitTimestamp);
    }

    public TxState transactionState() {
        return transactionState;
    }

    public @Nullable HybridTimestamp commitTimestamp() {
        return nullableHybridTimestamp(commitTimestamp);
    }

    @Override
    public String toString() {
        return S.toString(TransactionResult.class, this);
    }
}
