/**
 * 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.pulsar.transaction.buffer;

import com.google.common.annotations.Beta;
import org.apache.pulsar.transaction.impl.common.TxnID;
import org.apache.pulsar.transaction.impl.common.TxnStatus;

/**
 * The metadata for the transaction in the transaction buffer.
 */
@Beta
public interface TransactionMeta {

    /**
     * Returns the transaction id.
     *
     * @return the transaction id
     */
    TxnID id();

    /**
     * Return the status of the transaction.
     *
     * @return the status of the transaction
     */
    TxnStatus status();

    /**
     * Return the number of entries appended to the transaction.
     *
     * @return the number of entries
     */
    int numEntries();

}
