* @param data The data to store in the cache, may be {@code null}.
     */
    void put(RepositoryRequest request, Object key, Object data);

    /**
     * Gets the specified data from the cache. <strong>Warning:</strong> The cache will directly return the saved
     * reference. If the cached data is to be modified after its retrieval, the caller is responsible to create a copy

            this.url = url;
            this.depth = depth;
        }

        /**
         * Gets the URL of this crawl request.
         *
         * @return the URL to be crawled
         */
        public String getUrl() {
            return url;
        }

        /**
         * Gets the depth of this crawl request in the crawling hierarchy.
         *
         * @return the crawling depth

        this.settings = settings;
        this.indexName = indexName;
        supportedFields = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);
        totalDocNum = getTotal();
    }

    @Override
    public synchronized Map<String, Object> read() {
        while (!isFinished.get() && queue.isEmpty()) {
            addDocumentToQueue();
        }

        return queue.poll();
    }

            this.path = path;
            this.name = name;
        }

        /**
         * Gets the directory path component.
         *
         * @return the path component
         */
        public String getPath() {
            return path;
        }

        /**
         * Gets the file or directory name component.
         *
         * @return the name component
         */

    Waiter head = gasWaiters(Waiter.TOMBSTONE);
    for (Waiter currentWaiter = head; currentWaiter != null; currentWaiter = currentWaiter.next) {
      currentWaiter.unpark();
    }
  }

  // Gets and Timed Gets
  //
  // * Be responsive to interruption
  // * Don't create Waiter nodes if you aren't going to park, this helps reduce contention on
  //   waitersField.

            if (logger.isDebugEnabled()) {
                kryo.setWarnUnregisteredClasses(true);
            }
            return kryo;
        });
    }

    /**
     * Gets the configured serializer type from the Fess configuration.
     *
     * @return the serializer type (either "kryo" or "javabin")
     */
    protected String getSerializerType() {

        // OEM flag should not be set when default is Unicode
        assertFalse((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

        // When OEM flag is passed, it gets OR'd with default flags
        // Since mockConfig.isUseUnicode() returns true, default flags include UNICODE
        assertTrue((oemType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_OEM) != 0);

    // A task should have been scheduled
    assertTrue(fakePool.hasNext());
    e.execute(intCounter);
    // Our executor hasn't run any tasks yet.
    assertEquals(0, totalCalls.get());
    fakePool.runAll();
    assertEquals(2, totalCalls.get());
    // Queue is empty so no runner should be scheduled.
    assertFalse(fakePool.hasNext());

    // Check that execute can be safely repeated
    e.execute(intCounter);

     * @return the merged XML node, or null if both inputs are null
     */
    protected abstract XmlNode doMerge(XmlNode dominant, XmlNode recessive, Boolean childMergeOverride);

    /**
     * Gets the singleton instance of the XmlService.
     *
     * @return the XmlService instance
     * @throws IllegalStateException if no implementation is found
     */
    private static XmlService getService() {

                crawler.stop();
            }
        }
    }

    /**
     * Gets the total execution time for index updates.
     *
     * @return the total execution time in milliseconds
     */
    public long getExecuteTime() {
        return executeTime;
    }

    /**
     * Gets the list of crawler session IDs being processed.
     *
     * @return the list of session IDs
     */