urlQueue.setDepth(1);
        urlQueue.setMethod("GET");
        urlQueue.setSessionId("id1");
        urlQueue.setUrl("http://www.id1.com/");

        urlQueueService.insert(urlQueue);

        final EsUrlQueue urlQueue2 = new EsUrlQueue();
        urlQueue2.setCreateTime(System.currentTimeMillis());
        urlQueue2.setDepth(1);
        urlQueue2.setMethod("GET");

     *
     * @see org.codelibs.fess.crawler.entity.UrlQueue#getDepth()
     */
    @Override
    public Integer getDepth() {
        return depth;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.UrlQueue#setDepth(java.lang.Integer)
     */
    @Override
    public void setDepth(final Integer depth) {
        this.depth = depth;
    }

    /*

    void setMetaData(String metaData);

    String getEncoding();

    void setEncoding(String encoding);

    String getParentUrl();

    void setParentUrl(String parentUrl);

    Integer getDepth();

    void setDepth(Integer depth);

    Long getLastModified();

    void setLastModified(Long lastModified);

    Long getCreateTime();

    void setCreateTime(Long createTime);

            urlQueue.setSessionId(sessionId);
            urlQueue.setMethod(Constants.GET_METHOD);
            urlQueue.setUrl(url);
            urlQueue.setUrl(url);
            urlQueue.setDepth(0);
            urlQueue.setCreateTime(SystemUtil.currentTimeMillis());
            urlQueueList.add(urlQueue);
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see

        return scope;
    }

    public void setScope(ArtifactScopeEnum scope) {
        this.scope = scope;
    }

    public int getDepth() {
        return depth;
    }

    public void setDepth(int depth) {
        this.depth = depth;
    }

    public boolean isResolved() {
        return resolved;
    }

    public void setResolved(boolean resolved) {

                if (logger.isDebugEnabled()) {
                    logger.debug("Storing child urls: {}", resultData.getChildUrlSet());
                }
                final int depth = urlQueue.getDepth() == null ? 1 : urlQueue.getDepth() + 1;
                if (crawlerContext.getMaxDepth() < 0 || depth <= crawlerContext.getMaxDepth()) {
                    // add and filter urls

            //                                              )
            //                            {
            //                                if( e1.getDepth() == e2.getDepth() )
            //                                {
            //                                    if( e2.getPomOrder() == e1.getPomOrder() )
            //                                        return

        return previous;
    }

    private int getDepth() {
        return previous == null ? 1 : previous.getDepth() + 1;
    }

    @Override
    public String toString() {
        if (previous != null) {
            return previous + " <- (" + getDepth() + ") " + transformStep;
        } else {
            return "(" + getDepth() + ") " + transformStep;
        }
    }

        return depthCompare(owner(left), owner(right));
    }

    public static int depthCompare(ProjectState left, ProjectState right) {
        return Ints.compare(left.getDepth(), right.getDepth());
    }

    private static ProjectState owner(Project project) {
        if (!(project instanceof ProjectInternal)) {
            throw new IllegalArgumentException("Unexpected Project implementation");

 */
public class TaskNameComparator implements Comparator<String>, Serializable {
    @Override
    public int compare(String taskName1, String taskName2) {
        int depthDiff = getDepth(taskName1) - getDepth(taskName2);
        if (depthDiff != 0) {
            return depthDiff;
        }
        return compareSegments(taskName1, taskName2);
    }