content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.cloud.services.query.rest.predicate;
  
  import com.querydsl.core.types.Predicate;
  import com.querydsl.core.types.dsl.BooleanExpression;
  import jakarta.validation.constraints.NotNull;
  import org.activiti.cloud.services.query.model.QTaskEntity;
  
  public class RootTasksFilter implements QueryDslPredicateFilter {
  
      private boolean rootTasksOnly;
  
      public RootTasksFilter(boolean rootTasksOnly) {
          this.rootTasksOnly = rootTasksOnly;
      }
  
      @Override
      public Predicate extend(@NotNull Predicate currentPredicate) {
          Predicate extendedPredicate = currentPredicate;
          if (rootTasksOnly) {
              BooleanExpression parentTaskNull = QTaskEntity.taskEntity.parentTaskId.isNull();
              extendedPredicate = parentTaskNull.and(currentPredicate);
          }
          return extendedPredicate;
      }
  }
  