org.hornetq.core.journal.TestableJournal Maven / Gradle / Ivy

/*
 * Copyright 2005-2014 Red Hat, Inc.
 * Red Hat 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.hornetq.core.journal;

import org.hornetq.core.journal.impl.JournalFile;

/**
 *
 * A TestableJournal
 *
 * @author Tim Fox
 * @author Clebert Suconic
 *
 */
public interface TestableJournal extends Journal
{
   int getDataFilesCount();

   int getFreeFilesCount();

   int getOpenedFilesCount();

   int getIDMapSize();

   String debug() throws Exception;

   void debugWait() throws Exception;

   int getFileSize();

   int getMinFiles();

   String getFilePrefix();

   String getFileExtension();

   int getMaxAIO();

   void forceMoveNextFile() throws Exception;

   void setAutoReclaim(boolean autoReclaim);

   boolean isAutoReclaim();

   void testCompact();

   JournalFile getCurrentFile();

   /**
    * This method is called automatically when a new file is opened.
    * 
    * It will among other things, remove stale files and make them available for reuse.
    * 
    * This method locks the journal.
    * @return true if it needs to re-check due to cleanup or other factors
    */
   boolean checkReclaimStatus() throws Exception;

   JournalFile[] getDataFiles();
}