content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.binding.kafka.internal.budget;
  
  import java.util.function.LongFunction;
  
  import org.agrona.collections.Long2ObjectHashMap;
  
  import io.aklivity.zilla.runtime.engine.EngineContext;
  import io.aklivity.zilla.runtime.engine.budget.BudgetDebitor;
  
  public final class KafkaMergedBudgetAccountant
  {
      private final LongFunction<BudgetDebitor> supplyDebitor;
      private final KafkaMergedBudgetCreditor creditor;
      private final KafkaMergedBudgetDebitor debitor;
      private final Long2ObjectHashMap<KafkaMergedBudget> budgetsByMergedId;
  
      public KafkaMergedBudgetAccountant(
          EngineContext context)
      {
          this.supplyDebitor = context::supplyDebitor;
          this.budgetsByMergedId = new Long2ObjectHashMap<>();
          this.creditor = new KafkaMergedBudgetCreditor(budgetsByMergedId, context::supplyBudgetId, context.creditor());
          this.debitor = new KafkaMergedBudgetDebitor(budgetsByMergedId, context::supplyDebitor);
      }
  
      public MergedBudgetCreditor creditor()
      {
          return creditor;
      }
  
      public BudgetDebitor supplyDebitor(
          long debitorId)
      {
          return budgetsByMergedId.containsKey(debitorId) ? debitor : supplyDebitor.apply(debitorId);
      }
  }
  