* with {@link Collection} itself). Prefer subtypes such as {@link ImmutableSet} or {@link
 * ImmutableList}, which have well-defined {@link #equals} semantics, thus avoiding a common source
 * of bugs and confusion.
 *
 * <h3>About <i>all</i> {@code Immutable-} collections</h3>
 *

            } else {
                try {
                    final String target = String.valueOf(c);
                    final String converted = URLEncoder.encode(target, Constants.UTF_8);
                    if (target.equals(converted)) {
                        encodedBuf.append(Base64.getUrlEncoder().encodeToString(target.getBytes(Constants.CHARSET_UTF_8)));
                    } else {
                        encodedBuf.append(converted);

                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }
                if (!item.equals(oldItem)) {
                    throw new DictionaryException("Mapping file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {

     * @param sessionId The new session ID.
     */
    public void setSessionId(final String sessionId) {
        if (StringUtil.isNotBlank(sessionId) && !sessionId.equals(crawlerContext.sessionId)) {
            urlQueueService.updateSessionId(crawlerContext.sessionId, sessionId);
            crawlerContext.sessionId = sessionId;
        }
    }

    /**

            if (dir == null) {
                return false;
            }
            final File directory = dir.toFile();
            if (directory.list() != null && directory.list().length == 0 && !THUMBNAILS_DIR_NAME.equals(directory.getName())) {
                Files.delete(dir);
                if (logger.isDebugEnabled()) {
                    logger.debug("Delete {}", dir);
                }
                return true;

                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }
                if (!item.equals(oldItem)) {
                    throw new DictionaryException("Kuromoji file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {

            d.setGroupId(groupId);
            d.setArtifactId(artifactId);
            d.setVersion(version);
            d.setScope(scope);

            if (systemPath != null && scope.equals(Artifact.SCOPE_SYSTEM)) {
                d.setSystemPath(systemPath);
            }

            if (exclusion != null) {
                d.addExclusion(exclusion);
            }

            boolQuery.should(query);
        }
        return boolQuery;
    }

    private QueryBuilder simpleQuery(String query, float titleBoost, float contentBoost) {
        if ("dismax".equals(ComponentUtil.getFessConfig().getQueryDefaultQueryType())) {
            return QueryBuilders.disMaxQuery()
                    .tieBreaker(0.1f)//

    private static class CustomQuery extends Query {
        @Override
        public String toString(String field) {
            return "CustomQuery";
        }

        @Override
        public boolean equals(Object obj) {
            return obj != null && getClass() == obj.getClass();
        }

        @Override
        public int hashCode() {
            return getClass().hashCode();
        }

        String serverAddress = registration.getServerAddress() != null ? registration.getServerAddress().getHostAddress() : null;
        boolean addressMatch = java.util.Objects.equals(resourceName, serverAddress);

        return shareMatch || addressMatch;
    }

    /**
     * Checks for expired registrations based on heartbeat timeouts.
     */
    private void checkHeartbeats() {