org.mybatis.logging.Logger Maven / Gradle / Ivy
/*
* Copyright 2020 the original author or authors.
*
* Licensed under the LGPL, Version 3.0 (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.gnu.org/licenses/lgpl-3.0.html
*
* 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.mybatis.logging;
import com.jn.langx.util.function.Supplier0;
import java.util.function.Supplier;
public abstract class Logger {
/**
* Case insensitive String constant used to retrieve the name of the root logger.
*
* @since 3.3.0
*/
final public String ROOT_LOGGER_NAME = "ROOT";
/**
* Return the name of this Logger
instance.
*/
public abstract String getName();
/**
* Is the logger instance enabled for the TRACE level?
*
* @return True if this Logger is enabled for the TRACE level,
* false otherwise.
* @since 3.3.0
*/
public abstract boolean isTraceEnabled();
/**
* Log a message at the TRACE level.
*
* @param msg the message string to be logged
* @since 3.3.0
*/
public abstract void trace(String msg);
/**
* Log a message at the TRACE level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the TRACE level.
*
* @param format the format string
* @param arg the argument
* @since 3.3.0
*/
public abstract void trace(String format, Object arg);
/**
* Log a message at the TRACE level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the TRACE level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
* @since 3.3.0
*/
public abstract void trace(String format, Object arg1, Object arg2);
/**
* Log a message at the TRACE level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the TRACE level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[]
before invoking the method,
* even if this logger is disabled for TRACE. The variants taking {@link #trace(String, Object) one} and
* {@link #trace(String, Object, Object) two} arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
* @since 3.3.0
*/
public abstract void trace(String format, Object... arguments);
/**
* Log an exception (throwable) at the TRACE level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
* @since 3.3.0
*/
public abstract void trace(String msg, Throwable t);
/**
* Is the logger instance enabled for the DEBUG level?
*
* @return True if this Logger is enabled for the DEBUG level,
* false otherwise.
*/
public abstract boolean isDebugEnabled();
/**
* Log a message at the DEBUG level.
*
* @param msg the message string to be logged
*/
public abstract void debug(String msg);
public abstract void debug(Supplier0 messageSupplier);
public abstract void debug(Supplier messageSupplier);
/**
* Log a message at the DEBUG level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the DEBUG level.
*
* @param format the format string
* @param arg the argument
*/
public abstract void debug(String format, Object arg);
/**
* Log a message at the DEBUG level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the DEBUG level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public abstract void debug(String format, Object arg1, Object arg2);
/**
* Log a message at the DEBUG level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the DEBUG level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[]
before invoking the method,
* even if this logger is disabled for DEBUG. The variants taking
* {@link #debug(String, Object) one} and {@link #debug(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public abstract void debug(String format, Object... arguments);
/**
* Log an exception (throwable) at the DEBUG level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public abstract void debug(String msg, Throwable t);
/**
* Is the logger instance enabled for the INFO level?
*
* @return True if this Logger is enabled for the INFO level,
* false otherwise.
*/
public abstract boolean isInfoEnabled();
/**
* Log a message at the INFO level.
*
* @param msg the message string to be logged
*/
public abstract void info(String msg);
/**
* Log a message at the INFO level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the INFO level.
*
* @param format the format string
* @param arg the argument
*/
public abstract void info(String format, Object arg);
/**
* Log a message at the INFO level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the INFO level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public abstract void info(String format, Object arg1, Object arg2);
/**
* Log a message at the INFO level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the INFO level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[]
before invoking the method,
* even if this logger is disabled for INFO. The variants taking
* {@link #info(String, Object) one} and {@link #info(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public abstract void info(String format, Object... arguments);
/**
* Log an exception (throwable) at the INFO level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public abstract void info(String msg, Throwable t);
/**
* Is the logger instance enabled for the WARN level?
*
* @return True if this Logger is enabled for the WARN level,
* false otherwise.
*/
public abstract boolean isWarnEnabled();
/**
* Log a message at the WARN level.
*
* @param msg the message string to be logged
*/
public abstract void warn(String msg);
/**
* Log a message at the WARN level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the WARN level.
*
* @param format the format string
* @param arg the argument
*/
public abstract void warn(String format, Object arg);
public abstract void warn(Supplier messageSupplier);
public abstract void warn(Supplier0 messageSupplier);
/**
* Log a message at the WARN level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the WARN level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[]
before invoking the method,
* even if this logger is disabled for WARN. The variants taking
* {@link #warn(String, Object) one} and {@link #warn(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public abstract void warn(String format, Object... arguments);
/**
* Log a message at the WARN level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the WARN level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public abstract void warn(String format, Object arg1, Object arg2);
/**
* Log an exception (throwable) at the WARN level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public abstract void warn(String msg, Throwable t);
/**
* Is the logger instance enabled for the ERROR level?
*
* @return True if this Logger is enabled for the ERROR level,
* false otherwise.
*/
public abstract boolean isErrorEnabled();
/**
* Log a message at the ERROR level.
*
* @param msg the message string to be logged
*/
public abstract void error(String msg);
/**
* Log a message at the ERROR level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the ERROR level.
*
* @param format the format string
* @param arg the argument
*/
public abstract void error(String format, Object arg);
/**
* Log a message at the ERROR level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the ERROR level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public abstract void error(String format, Object arg1, Object arg2);
/**
* Log a message at the ERROR level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the ERROR level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[]
before invoking the method,
* even if this logger is disabled for ERROR. The variants taking
* {@link #error(String, Object) one} and {@link #error(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public abstract void error(String format, Object... arguments);
/**
* Log an exception (throwable) at the ERROR level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public abstract void error(String msg, Throwable t);
}