content: // 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 com.cloud.network.lb;
  
  import java.util.List;
  
  import org.apache.cloudstack.api.command.user.loadbalancer.CreateLoadBalancerRuleCmd;
  
  import com.cloud.exception.InsufficientAddressCapacityException;
  import com.cloud.exception.NetworkRuleConflictException;
  import com.cloud.exception.ResourceUnavailableException;
  import com.cloud.network.Network;
  import com.cloud.network.rules.LoadBalancer;
  import com.cloud.user.Account;
  
  public interface ElasticLoadBalancerManager {
      public static final int DEFAULT_ELB_VM_RAMSIZE = 128;            // 512 MB
      public static final int DEFAULT_ELB_VM_CPU_MHZ = 256;               // 500 MHz
  
      public boolean applyLoadBalancerRules(Network network, List<LoadBalancingRule> rules) throws ResourceUnavailableException;
  
      public LoadBalancer handleCreateLoadBalancerRule(CreateLoadBalancerRuleCmd lb, Account caller, long networkId) throws InsufficientAddressCapacityException,
          NetworkRuleConflictException;
  
      public void handleDeleteLoadBalancerRule(LoadBalancer lb, long callerUserId, Account caller);
  
      void expungeLbVmRefs(List<Long> vmIds, Long batchSize);
  }
  