Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.rolling;

import java.io.File;

import ch.qos.logback.core.util.FileSize;
import ch.qos.logback.core.util.DefaultInvocationGate;
import ch.qos.logback.core.util.InvocationGate;

SizeBasedTriggeringPolicy looks at size of the file being currently written
to. If it grows bigger than the specified size, the FileAppender using the
SizeBasedTriggeringPolicy rolls the file and creates a new one.
For more information about this policy, please refer to the online manual at
http://logback.qos.ch/manual/appenders.html#SizeBasedTriggeringPolicy
Author:
Ceki Gülcü/**
 * SizeBasedTriggeringPolicy looks at size of the file being currently written
 * to. If it grows bigger than the specified size, the FileAppender using the
 * SizeBasedTriggeringPolicy rolls the file and creates a new one.
 * 
 * For more information about this policy, please refer to the online manual at
 * http://logback.qos.ch/manual/appenders.html#SizeBasedTriggeringPolicy
 * 
 * @author Ceki Gülcü
 * 
 */
public class SizeBasedTriggeringPolicy<E> extends TriggeringPolicyBase<E> {

    public static final String SEE_SIZE_FORMAT = "http://logback.qos.ch/codes.html#sbtp_size_format";
    
The default maximum file size.
/**
     * The default maximum file size.
     */
    public static final long DEFAULT_MAX_FILE_SIZE = 10 * 1024 * 1024; // 10 MB

    FileSize maxFileSize = new FileSize(DEFAULT_MAX_FILE_SIZE);

    public SizeBasedTriggeringPolicy() {
    }

    InvocationGate invocationGate = new DefaultInvocationGate();

    public boolean isTriggeringEvent(final File activeFile, final E event) {
        long now = System.currentTimeMillis();
        if (invocationGate.isTooSoon(now))
            return false;

        return (activeFile.length() >= maxFileSize.getSize());
    }

    public void setMaxFileSize(FileSize aMaxFileSize) {
        this.maxFileSize = aMaxFileSize;
    }

}