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Use monitors in log tail scanner for logging.
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27 changes: 27 additions & 0 deletions
27
community/kernel/src/main/java/org/neo4j/kernel/recovery/LogTailScannerMonitor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.recovery; | ||
|
|
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| public interface LogTailScannerMonitor | ||
| { | ||
| void forced( Throwable t ); | ||
|
|
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| void corruptedLogFile( long version, Throwable t ); | ||
| } |
44 changes: 44 additions & 0 deletions
44
community/kernel/src/main/java/org/neo4j/kernel/recovery/LoggingLogTailScannerMonitor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.recovery; | ||
|
|
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| import org.neo4j.logging.Log; | ||
|
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| public class LoggingLogTailScannerMonitor implements LogTailScannerMonitor | ||
| { | ||
| private final Log log; | ||
|
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| public LoggingLogTailScannerMonitor( Log log ) | ||
| { | ||
| this.log = log; | ||
| } | ||
|
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| @Override | ||
| public void forced( Throwable t ) | ||
| { | ||
| log.warn( "Unsupported log version was found in transactional logs, but log processing was forced.", t ); | ||
| } | ||
|
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| @Override | ||
| public void corruptedLogFile( long version, Throwable t ) | ||
| { | ||
| log.warn( String.format( "Fail to read transaction log version %d.", version ), t ); | ||
| } | ||
| } |
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