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 org.apache.flink.streaming.connectors.activemq;
  
  import org.apache.activemq.ActiveMQConnectionFactory;
  import org.apache.flink.api.common.serialization.DeserializationSchema;
  import org.apache.flink.streaming.connectors.activemq.internal.RunningChecker;
  import org.apache.flink.util.Preconditions;
  
  /**
   * Immutable AMQ source config.
   *
   * @param <OUT> type of source output messages
   */
  public class AMQSourceConfig<OUT> {
  
      private final ActiveMQConnectionFactory connectionFactory;
      private final String destinationName;
      private final DeserializationSchema<OUT> deserializationSchema;
      private final RunningChecker runningChecker;
      private final DestinationType destinationType;
  
      AMQSourceConfig(ActiveMQConnectionFactory connectionFactory, String destinationName,
                      DeserializationSchema<OUT> deserializationSchema, RunningChecker runningChecker,
                      DestinationType destinationType) {
          this.connectionFactory = Preconditions.checkNotNull(connectionFactory, "connectionFactory not set");
          this.destinationName = Preconditions.checkNotNull(destinationName, "destinationName not set");
          this.deserializationSchema = Preconditions.checkNotNull(deserializationSchema, "deserializationSchema not set");
          this.runningChecker = Preconditions.checkNotNull(runningChecker, "runningChecker not set");
          this.destinationType = Preconditions.checkNotNull(destinationType, "destinationType not set");
      }
  
      public ActiveMQConnectionFactory getConnectionFactory() {
          return connectionFactory;
      }
  
      public String getDestinationName() {
          return destinationName;
      }
  
      public DeserializationSchema<OUT> getDeserializationSchema() {
          return deserializationSchema;
      }
  
      public RunningChecker getRunningChecker() {
          return runningChecker;
      }
  
      public DestinationType getDestinationType() {
          return destinationType;
      }
  
      /**
       * Builder for {@link AMQSourceConfig}
       *
       * @param <OUT> type of source output messages
       */
      public static class AMQSourceConfigBuilder<OUT> {
          private ActiveMQConnectionFactory connectionFactory;
          private String destinationName;
          private DeserializationSchema<OUT> deserializationSchema;
          private RunningChecker runningChecker = new RunningChecker();
          private DestinationType destinationType = DestinationType.QUEUE;
  
          public AMQSourceConfigBuilder<OUT> setConnectionFactory(ActiveMQConnectionFactory connectionFactory) {
              this.connectionFactory = Preconditions.checkNotNull(connectionFactory);
              return this;
          }
  
          public AMQSourceConfigBuilder<OUT> setDestinationName(String destinationName) {
              this.destinationName = Preconditions.checkNotNull(destinationName);
              return this;
          }
  
          public AMQSourceConfigBuilder<OUT> setDeserializationSchema(DeserializationSchema<OUT> deserializationSchema) {
              this.deserializationSchema = Preconditions.checkNotNull(deserializationSchema);
              return this;
          }
  
          public AMQSourceConfigBuilder<OUT> setRunningChecker(RunningChecker runningChecker) {
              this.runningChecker = Preconditions.checkNotNull(runningChecker);
              return this;
          }
  
          public AMQSourceConfigBuilder<OUT> setDestinationType(DestinationType destinationType) {
              this.destinationType = Preconditions.checkNotNull(destinationType);
              return this;
          }
  
          public AMQSourceConfig<OUT> build() {
              return new AMQSourceConfig<OUT>(connectionFactory, destinationName, deserializationSchema, runningChecker, destinationType);
          }
  
      }
  }
  