/*
 * Copyright 2016-present Facebook, Inc.
 *
 * Licensed 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 com.facebook.buck.log;

import java.io.IOException;
import java.util.logging.Level;

/**
 * How the ConsoleHandler is supposed to behave for a particular thread. Maintained globally by
 * {@link GlobalStateManager}.
 */
public interface ConsoleHandlerState extends ThreadIdToCommandIdMapper {
  Level getLogLevel(String commandId);

  Writer getWriter(String commandId);

  Iterable<Writer> getAllAvailableWriters();

  interface Writer {
    void write(String line) throws IOException;

    void flush() throws IOException;

    void close() throws IOException;
  }
}