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.camel.component.zookeepermaster;
  
  import org.apache.camel.Category;
  import org.apache.camel.Consumer;
  import org.apache.camel.DelegateEndpoint;
  import org.apache.camel.Endpoint;
  import org.apache.camel.Processor;
  import org.apache.camel.Producer;
  import org.apache.camel.api.management.ManagedAttribute;
  import org.apache.camel.api.management.ManagedResource;
  import org.apache.camel.spi.Metadata;
  import org.apache.camel.spi.UriEndpoint;
  import org.apache.camel.spi.UriPath;
  import org.apache.camel.support.DefaultEndpoint;
  
  /**
   * Have only a single consumer in a cluster consuming from a given endpoint; with automatic failover if the JVM dies.
   */
  @ManagedResource(description = "Managed ZooKeeper Master Endpoint")
  @UriEndpoint(firstVersion = "2.19.0", scheme = "zookeeper-master", syntax = "zookeeper-master:groupName:consumerEndpointUri",
               consumerOnly = true,
               title = "ZooKeeper Master", lenientProperties = true,
               category = { Category.CLUSTERING, Category.MANAGEMENT, Category.BIGDATA })
  public class MasterEndpoint extends DefaultEndpoint implements DelegateEndpoint {
  
      private final MasterComponent component;
      private final Endpoint consumerEndpoint;
  
      @UriPath(description = "The name of the cluster group to use")
      @Metadata(required = true)
      private final String groupName;
  
      @UriPath(description = "The consumer endpoint to use in master/slave mode")
      @Metadata(required = true)
      private final String consumerEndpointUri;
  
      public MasterEndpoint(String uri, MasterComponent component, String groupName, String consumerEndpointUri) {
          super(uri, component);
          this.component = component;
          this.groupName = groupName;
          this.consumerEndpointUri = consumerEndpointUri;
          this.consumerEndpoint = getCamelContext().getEndpoint(consumerEndpointUri);
      }
  
      @Override
      public Endpoint getEndpoint() {
          return consumerEndpoint;
      }
  
      public Endpoint getConsumerEndpoint() {
          return getEndpoint();
      }
  
      @ManagedAttribute(description = "The consumer endpoint url to use in master/slave mode", mask = true)
      public String getConsumerEndpointUri() {
          return consumerEndpointUri;
      }
  
      @ManagedAttribute(description = "The name of the cluster group to use")
      public String getGroupName() {
          return groupName;
      }
  
      @Override
      public Producer createProducer() throws Exception {
          throw new UnsupportedOperationException("Cannot produce from this endpoint");
      }
  
      @Override
      public Consumer createConsumer(Processor processor) throws Exception {
          return new MasterConsumer(this, processor);
      }
  
      @Override
      public boolean isLenientProperties() {
          // to allow properties to be propagated to the child endpoint
          return true;
      }
  
      @Override
      public MasterComponent getComponent() {
          return component;
      }
  
  }
  