/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.loggers;
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import org.opends.messages.Message;
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import org.opends.server.admin.std.server.SizeLimitLogRotationPolicyCfg;
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import org.opends.server.admin.server.ConfigurationChangeListener;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.ConfigChangeResult;
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import org.opends.server.types.ResultCode;
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import org.opends.server.config.ConfigException;
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import java.util.List;
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import java.util.ArrayList;
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/**
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* This class implements a rotation policy based on the size of the
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* file.
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*/
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public class SizeBasedRotationPolicy implements
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RotationPolicy<SizeLimitLogRotationPolicyCfg>,
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ConfigurationChangeListener<SizeLimitLogRotationPolicyCfg>
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{
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private long sizeLimit;
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SizeLimitLogRotationPolicyCfg currentConfig;
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/**
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* {@inheritDoc}
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*/
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public void initializeLogRotationPolicy(SizeLimitLogRotationPolicyCfg config)
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throws ConfigException, InitializationException
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{
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sizeLimit = config.getFileSizeLimit();
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config.addSizeLimitChangeListener(this);
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currentConfig = config;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isConfigurationChangeAcceptable(
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SizeLimitLogRotationPolicyCfg config, List<Message> unacceptableReasons)
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{
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// Changes should always be OK
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public ConfigChangeResult applyConfigurationChange(
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SizeLimitLogRotationPolicyCfg config)
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{
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// Default result code.
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ResultCode resultCode = ResultCode.SUCCESS;
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boolean adminActionRequired = false;
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ArrayList<Message> messages = new ArrayList<Message>();
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sizeLimit = config.getFileSizeLimit();
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currentConfig = config;
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return new ConfigChangeResult(resultCode, adminActionRequired, messages);
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}
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/**
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* This method indicates if the log file should be
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* rotated or not.
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*
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* @param writer The multi file text writer writing the log file.
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* @return true if the file needs to be rotated, false otherwise.
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*/
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public boolean rotateFile(MultifileTextWriter writer)
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{
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long fileSize = writer.getBytesWritten();
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return fileSize >= sizeLimit;
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}
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}
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