/*
 * Copyright Terracotta, Inc.
 *
 * 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.ehcache.clustered.common.internal.messages;

import org.ehcache.clustered.common.ServerSideConfiguration;
import org.ehcache.clustered.common.internal.ServerStoreConfiguration;

import java.io.Serializable;
import java.util.UUID;

public abstract class LifecycleMessage extends EhcacheOperationMessage implements Serializable {

  protected UUID clientId;
  protected long id = NOT_REPLICATED;

  @Override
  public UUID getClientId() {
    if (clientId == null) {
      throw new AssertionError("Client Id cannot be null for lifecycle messages");
    }
    return this.clientId;
  }

  @Override
  public long getId() {
    return this.id;
  }

  @Override
  public void setId(long id) {
    this.id = id;
  }

  public static class ValidateStoreManager extends LifecycleMessage {
    private static final long serialVersionUID = 5742152283115139745L;

    private final ServerSideConfiguration configuration;

    ValidateStoreManager(ServerSideConfiguration config, UUID clientId) {
      this.configuration = config;
      this.clientId = clientId;
    }

    @Override
    public EhcacheMessageType getMessageType() {
      return EhcacheMessageType.VALIDATE;
    }

    public ServerSideConfiguration getConfiguration() {
      return configuration;
    }
  }

  /**
   * Message directing the <i>lookup</i> of a previously created {@code ServerStore}.
   */
  public static class ValidateServerStore extends LifecycleMessage {
    private static final long serialVersionUID = 4879477027919589726L;

    private final String name;
    private final ServerStoreConfiguration storeConfiguration;

    ValidateServerStore(String name, ServerStoreConfiguration storeConfiguration, UUID clientId) {
      this.name = name;
      this.storeConfiguration = storeConfiguration;
      this.clientId = clientId;
    }

    public String getName() {
      return name;
    }

    public ServerStoreConfiguration getStoreConfiguration() {
      return storeConfiguration;
    }

    @Override
    public EhcacheMessageType getMessageType() {
      return EhcacheMessageType.VALIDATE_SERVER_STORE;
    }
  }

  public static class PrepareForDestroy extends LifecycleMessage {
    @Override
    public EhcacheMessageType getMessageType() {
      return EhcacheMessageType.PREPARE_FOR_DESTROY;
    }
  }
}