geode-core/src/main/java/org/apache/geode/internal/logging/NullLogFile.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.geode.internal.logging;

import java.io.File;

import org.apache.geode.annotations.Immutable;

/**
 * {@link LogFile} with default details of null values.
 */
public class NullLogFile extends LogFile {

  @Immutable
  private static final NullLogFile INSTANCE = new NullLogFile();

  public static NullLogFile get() {
    return INSTANCE;
  }

  public NullLogFile() {
    super(new LogFileDetails() {
      @Override
      public File getChildLogFile() {
        return null;
      }

      @Override
      public File getLogDir() {
        return null;
      }

      @Override
      public int getMainLogId() {
        return 0;
      }

      @Override
      public boolean useChildLogging() {
        return false;
      }
    });
  }
}