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• 0.13.1
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• TransactionDao.java

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io.github.ma1uta.matrix.appservice.TransactionDao Maven / Gradle / Ivy

/*
 * Copyright Anatoliy Sablin [email protected]
 *
 * 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 io.github.ma1uta.matrix.appservice;

/**
 * DAO for transactions.
 *
 * @param  actual class of the transaction.
 */
public interface TransactionDao {

    /**
     * Save new transaction.
     *
     * @param transaction transaction.
     */
    void save(T transaction);

    /**
     * Check the specified transaction exists.
     *
     * @param txnId transaction id.
     * @return {@code true} if exist else {@code false}.
     */
    boolean exist(String txnId);
}