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   * 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.
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  package org.apache.activemq.artemis.tests.integration.persistence.metrics;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.util.LinkedList;
  import java.util.List;
  
  import org.apache.activemq.artemis.api.core.ActiveMQBuffer;
  import org.apache.activemq.artemis.api.core.ActiveMQBuffers;
  import org.apache.activemq.artemis.core.config.impl.ConfigurationImpl;
  import org.apache.activemq.artemis.core.journal.PreparedTransactionInfo;
  import org.apache.activemq.artemis.core.journal.RecordInfo;
  import org.apache.activemq.artemis.core.journal.TransactionFailureCallback;
  import org.apache.activemq.artemis.core.persistence.impl.journal.JournalStorageManager;
  import org.apache.activemq.artemis.core.persistence.impl.journal.codec.PageCountRecord;
  import org.apache.activemq.artemis.core.persistence.impl.journal.codec.PageCountRecordInc;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class JournalPageCountSizeTest extends ActiveMQTestBase {
  
     private ActiveMQServer server;
  
     @BeforeEach
     public void init() throws Exception {
        server = createServer(true);
  
        server.start();
     }
  
     @Override
     protected ConfigurationImpl createBasicConfig(int serverID) {
        return super.createBasicConfig(serverID);
     }
  
     @AfterEach
     public void destroy() throws Exception {
        server.stop();
     }
  
     @Test
     public void testPageCountRecordSize() throws Exception {
  
        long tx = server.getStorageManager().generateID();
        server.getStorageManager().storePageCounter(tx, 1, 1, 100);
        server.getStorageManager().commit(tx);
        server.getStorageManager().stop();
  
        JournalStorageManager journalStorageManager = (JournalStorageManager) server.getStorageManager();
        List<RecordInfo> committedRecords = new LinkedList<>();
        List<PreparedTransactionInfo> preparedTransactions = new LinkedList<>();
  
        try {
           journalStorageManager.getMessageJournal().start();
           journalStorageManager.getMessageJournal().load(committedRecords, preparedTransactions, transactionFailure);
  
           ActiveMQBuffer buff = ActiveMQBuffers.wrappedBuffer(committedRecords.get(0).data);
           PageCountRecord encoding = new PageCountRecord();
           encoding.decode(buff);
  
           assertEquals(100, encoding.getPersistentSize());
        } finally {
           journalStorageManager.getMessageJournal().stop();
        }
  
     }
  
     @Test
     public void testPageCursorCounterRecordSize() throws Exception {
  
        server.getStorageManager().storePageCounterInc(1, 1, 1000);
        server.getStorageManager().stop();
  
        JournalStorageManager journalStorageManager = (JournalStorageManager) server.getStorageManager();
        List<RecordInfo> committedRecords = new LinkedList<>();
        List<PreparedTransactionInfo> preparedTransactions = new LinkedList<>();
  
        try {
           journalStorageManager.getMessageJournal().start();
           journalStorageManager.getMessageJournal().load(committedRecords, preparedTransactions, transactionFailure);
  
           ActiveMQBuffer buff = ActiveMQBuffers.wrappedBuffer(committedRecords.get(0).data);
           PageCountRecordInc encoding = new PageCountRecordInc();
           encoding.decode(buff);
  
           assertEquals(1000, encoding.getPersistentSize());
        } finally {
           journalStorageManager.getMessageJournal().stop();
        }
  
     }
  
     @Test
     public void testPageCursorCounterRecordSizeTX() throws Exception {
  
        long tx = server.getStorageManager().generateID();
        server.getStorageManager().storePageCounterInc(tx, 1, 1, 1000);
        server.getStorageManager().commit(tx);
        server.getStorageManager().stop();
  
        JournalStorageManager journalStorageManager = (JournalStorageManager) server.getStorageManager();
        List<RecordInfo> committedRecords = new LinkedList<>();
        List<PreparedTransactionInfo> preparedTransactions = new LinkedList<>();
  
        try {
           journalStorageManager.getMessageJournal().start();
           journalStorageManager.getMessageJournal().load(committedRecords, preparedTransactions, transactionFailure);
  
           ActiveMQBuffer buff = ActiveMQBuffers.wrappedBuffer(committedRecords.get(0).data);
           PageCountRecordInc encoding = new PageCountRecordInc();
           encoding.decode(buff);
  
           assertEquals(1000, encoding.getPersistentSize());
        } finally {
           journalStorageManager.getMessageJournal().stop();
        }
  
     }
  
     private TransactionFailureCallback transactionFailure = (transactionID, records, recordsToDelete) -> { };
  }
  