/**
    * 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.hadoop.hbase.hbtop.screen.top;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Objects;
  import org.apache.hadoop.hbase.classification.InterfaceAudience;
  import org.apache.hadoop.hbase.hbtop.RecordFilter;
  import org.apache.hadoop.hbase.hbtop.screen.ScreenView;
  
  /**
   * The presentation logic for the filter display mode.
   */
  @InterfaceAudience.Private
  public class FilterDisplayModeScreenPresenter {
  
    private final FilterDisplayModeScreenView filterDisplayModeScreenView;
    private final List<RecordFilter> filters;
    private final ScreenView nextScreenView;
  
    public FilterDisplayModeScreenPresenter(FilterDisplayModeScreenView filterDisplayModeScreenView,
      List<RecordFilter> filters, ScreenView nextScreenView) {
      this.filterDisplayModeScreenView = Objects.requireNonNull(filterDisplayModeScreenView);
      this.filters = Collections.unmodifiableList(new ArrayList<>(Objects.requireNonNull(filters)));
      this.nextScreenView = Objects.requireNonNull(nextScreenView);
    }
  
    public void init() {
      filterDisplayModeScreenView.showFilters(filters);
      filterDisplayModeScreenView.refreshTerminal();
    }
  
    public ScreenView returnToNextScreen() {
      return nextScreenView;
    }
  }