Source Code for Apache Log4j Core Implementation

Apache Log4j Core Implementation provides the functional components of the logging system. Users are free to create their own plugins and include them in the logging configuration. Apache Log4j Core is a required module to use Apache Log4j.

Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-2.14.1.jar.

Source Code files for Apache Log4j API are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j Core Implementation 2.14.1 below.

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org/apache/logging/log4j/core/appender/rolling/RolloverDescriptionImpl.java

/*
 * 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.
 */
package org.apache.logging.log4j.core.appender.rolling;

import java.util.Objects;

import org.apache.logging.log4j.core.appender.rolling.action.Action;

/**
 * Description of actions needed to complete rollover.
 */
public final class RolloverDescriptionImpl implements RolloverDescription {
    /**
     * Active log file name after rollover.
     */
    private final String activeFileName;

    /**
     * Should active file be opened for appending.
     */
    private final boolean append;

    /**
     * Action to be completed after close of current active log file
     * before returning control to caller.
     */
    private final Action synchronous;

    /**
     * Action to be completed after close of current active log file
     * and before next rollover attempt, may be executed asynchronously.
     */
    private final Action asynchronous;

    /**
     * Create new instance.
     *
     * @param activeFileName active log file name after rollover, may not be null.
     * @param append         true if active log file after rollover should be opened for appending.
     * @param synchronous    action to be completed after close of current active log file, may be null.
     * @param asynchronous   action to be completed after close of current active log file and
     *                       before next rollover attempt.
     */
    public RolloverDescriptionImpl(final String activeFileName, final boolean append, final Action synchronous,
                                   final Action asynchronous) {
        Objects.requireNonNull(activeFileName, "activeFileName");

        this.append = append;
        this.activeFileName = activeFileName;
        this.synchronous = synchronous;
        this.asynchronous = asynchronous;
    }

    /**
     * Active log file name after rollover.
     *
     * @return active log file name after rollover.
     */
    @Override
    public String getActiveFileName() {
        return activeFileName;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean getAppend() {
        return append;
    }

    /**
     * Action to be completed after close of current active log file
     * before returning control to caller.
     *
     * @return action, may be null.
     */
    @Override
    public Action getSynchronous() {
        return synchronous;
    }

    /**
     * Action to be completed after close of current active log file
     * and before next rollover attempt, may be executed asynchronously.
     *
     * @return action, may be null.
     */
    @Override
    public Action getAsynchronous() {
        return asynchronous;
    }
}

org/apache/logging/log4j/core/appender/rolling/RolloverDescriptionImpl.java

 

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2015-11-03, 51422👍, 0💬