package org.kuali.ole.docstore.process;
   
   import org.apache.camel.CamelContext;
   import org.apache.camel.builder.LoggingErrorHandlerBuilder;
   import org.apache.camel.impl.DefaultCamelContext;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
   /**
   * Class to Handle DocStore Processes.
   *
   * @author Rajesh Chowdary K
   * @created Mar 15, 2012
   */
  public class DocStoreCamelContext {
  
      private static Logger                     log            = LoggerFactory.getLogger(BulkLoadHandler.class);
      private static DocStoreCamelContext       handlerContext = null;
      private        CamelContext               context        = null;
      private        LoggingErrorHandlerBuilder errorHandler   = new LoggingErrorHandlerBuilder();
  
      private DocStoreCamelContext() {
          context = new DefaultCamelContext();
          try {
              context.start();
              log.info("DocStoreCamelContext Initialized");
          }
          catch (Exception e) {
              log.error("Ingest Handler Service Starup Failed : ", e);
              log.info(e.getMessage());
          }
      }
  
      /**
       * Method to get Instance of DocStoreCamelContext.
       *
       * @return
       */
      public static DocStoreCamelContext getInstance() {
          if (handlerContext == null) {
              handlerContext = new DocStoreCamelContext();
          }
          return handlerContext;
      }
  
      public boolean isRunning() {
          return !context.isSuspended();
      }
  
      public void resume() throws Exception {
          if (context.isSuspended()) {
              context.resume();
          }
      }
  
      public void suspend() throws Exception {
          if (!context.isSuspended()) {
              context.suspend();
          }
      }
  
      public void stop() {
          try {
              BulkLoadHandler.getInstance().stop();
              context.stop();
          }
          catch (Exception e) {
              log.error("Ingest Handler Service Cold Stop Failed : ", e);
          }
      }
  
      public CamelContext getCamelContext() {
          return context;
      }
  
      public LoggingErrorHandlerBuilder getErrorHandler() {
          return errorHandler;
      }
  
  }