assertEquals(parentUrl, queue.getParentUrl());

        queue.setParentUrl(null);
        assertNull(queue.getParentUrl());
    }

    public void test_depthGetterSetter() {
        // Test depth getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        queue.setDepth(0);
        assertEquals(Integer.valueOf(0), queue.getDepth());

        queue.setDepth(5);

        CloseableUtil.closeQuietly(in);

        final String content = extractData.getContent();
        logger.info("Limited depth content: " + content);

        // With depth 1, nested content should not be deeply processed
        assertNotNull(content);
    }

        processTreeNodes(null, tree, 0, 0);
    }
    // ------------------------------------------------------------------------
    private void processTreeNodes(MetadataGraphVertex parentVertex, MetadataTreeNode node, int depth, int pomOrder)
            throws MetadataResolutionException {
        if (node == null) {
            return;
        }

    public String toString() {
        return "WebConfig [available=" + available + ", boost=" + boost + ", configParameter=" + configParameter + ", createdBy="
                + createdBy + ", createdTime=" + createdTime + ", depth=" + depth + ", excludedDocUrls=" + excludedDocUrls
                + ", excludedUrls=" + excludedUrls + ", includedDocUrls=" + includedDocUrls + ", includedUrls=" + includedUrls

    public String toString() {
        return "FileConfig [available=" + available + ", boost=" + boost + ", configParameter=" + configParameter + ", createdBy="
                + createdBy + ", createdTime=" + createdTime + ", depth=" + depth + ", excludedDocPaths=" + excludedDocPaths
                + ", excludedPaths=" + excludedPaths + ", includedDocPaths=" + includedDocPaths + ", includedPaths=" + includedPaths

{
    "properties": {
      "depth": {
        "type": "integer"
      },
      "parentUrl": {
        "type": "keyword"
      },
      "method": {
        "type": "keyword"
      },
      "weight": {
        "type": "float"
      },
      "createTime": {
        "type": "long"
      },
      "lastModified": {
        "type": "long"
      },
      "sessionId": {
        "type": "keyword"
      },

)

// Predefined errors
var (
	ErrSyntax        = DecoderError{msg: "invalid character"}
	ErrUnexpectedEOF = DecoderError{msg: "unexpected end of JSON input"}
	ErrMaxDepth      = DecoderError{msg: "maximum recursion depth exceeded"}
)

type errPos [2]int // line number, byte offset where error occurred

// DecoderError contains a detailed decoding error.
type DecoderError struct {
	msg       string // description of error

      },
      "includedDocPaths": {
        "type": "keyword"
      },
      "excludedDocPaths": {
        "type": "keyword"
      },
      "configParameter": {
        "type": "keyword"
      },
      "depth": {
        "type": "integer"
      },
      "maxAccessCount": {
        "type": "long"
      },
      "numOfThread": {
        "type": "integer"
      },
      "intervalTime": {
        "type": "integer"

     * @param parentUrl the parent URL that referenced this child URL
     * @param weight the weight/priority of the child URL
     * @param depth the crawling depth of the child URL
     */
    @Override
    protected void storeChildUrl(final String childUrl, final String parentUrl, final float weight, final int depth) {
        if (StringUtil.isNotBlank(childUrl)) {

      },
      "includedDocUrls": {
        "type": "keyword"
      },
      "excludedDocUrls": {
        "type": "keyword"
      },
      "configParameter": {
        "type": "keyword"
      },
      "depth": {
        "type": "integer"
      },
      "maxAccessCount": {
        "type": "long"
      },
      "userAgent": {
        "type": "keyword"
      },
      "numOfThread": {
        "type": "integer"