code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.backend.model;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  /**
   * <p>PackageStatistics class.</p>
   */
  public class PackageStatistics {
  
    /**
     * Package to statistics
     */
    private Map<ConstructId, ConstructIdFilter> constructIds =
        new HashMap<ConstructId, ConstructIdFilter>();
  
    /**
     * <p>Constructor for PackageStatistics.</p>
     *
     * @param _constructs_ids a {@link java.util.Collection} object.
     */
    public PackageStatistics(Collection<ConstructId> _constructs_ids) {
      ConstructIdFilter stats = null;
      ConstructId pid = null;
      if (_constructs_ids != null) {
        for (ConstructId cid : _constructs_ids) {
          pid = ConstructId.getPackageOf(cid);
          stats = this.constructIds.get(pid);
          if (stats == null) {
            stats = new ConstructIdFilter(null);
            this.constructIds.put(pid, stats);
          }
          stats.addConstructId(cid);
        }
      }
    }
  
    /**
     * <p>countConstructTypesPerPackage.</p>
     *
     * @return a {@link java.util.Map} object.
     */
    @JsonProperty(value = "packageCounters")
    public Map<ConstructId, ConstructIdFilter> countConstructTypesPerPackage() {
      return this.constructIds;
    }
  }
  