final int rangeCountPerAgent
    final int rangeSize

    FixedAvailablePortAllocator(int workerId, int agentNum, int totalAgents) {
        this.agentNum = agentNum
        this.workerId = workerId
        this.totalAgents = totalAgents
        this.rangeSize = DEFAULT_RANGE_SIZE
        this.rangeCountPerAgent = (MAX_PRIVATE_PORT - MIN_PRIVATE_PORT) / (rangeSize * totalAgents)
    }

class FixedAvailablePortAllocatorTest extends AbstractPortAllocatorTest {

    def "assigns a unique fixed port range based on worker id (totalWorkers: #totalWorkers, totalAgents: #totalAgents)" () {
        int rangeSize = FixedAvailablePortAllocator.DEFAULT_RANGE_SIZE - 1
        def portAllocators = (1..totalAgents).collect { agentNum ->
            (1..totalWorkers).collect { workerId ->

	rangeSize := pr.Size
	// offset should always be smaller than the range size
	if rangeSize <= min {
		return 0
	}

	offset := rangeSize / step
	if offset < min {
		return min
	}
	if offset > max {
		return max
	}
	return int(offset)

        BeanUtil.copyBeanToBean(duplicateHostList, duplicateHostPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        duplicateHostPager.setPageNumberList(duplicateHostList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return duplicateHostList;
    }

    public OptionalEntity<DuplicateHost> getDuplicateHost(final String id) {

        BeanUtil.copyBeanToBean(relatedQueryList, relatedQueryPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        relatedQueryPager.setPageNumberList(
                relatedQueryList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return relatedQueryList;
    }

    public OptionalEntity<RelatedQuery> getRelatedQuery(final String id) {

        BeanUtil.copyBeanToBean(relatedContentList, relatedContentPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        relatedContentPager.setPageNumberList(
                relatedContentList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return relatedContentList;
    }

    public OptionalEntity<RelatedContent> getRelatedContent(final String id) {

        fileAuthenticationPager.setPageNumberList(fileAuthenticationList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return fileAuthenticationList;
    }

    public OptionalEntity<FileAuthentication> getFileAuthentication(final String id) {

        // update pager
        BeanUtil.copyBeanToBean(roleTypeList, roleTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        roleTypePager.setPageNumberList(roleTypeList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return roleTypeList;
    }

    public OptionalEntity<RoleType> getRoleType(final String id) {

        // update pager
        BeanUtil.copyBeanToBean(groupList, groupPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        groupPager.setPageNumberList(groupList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return groupList;
    }

    public OptionalEntity<Group> getGroup(final String id) {

        // update pager
        BeanUtil.copyBeanToBean(roleList, rolePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        rolePager.setPageNumberList(roleList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return roleList;
    }

    public OptionalEntity<Role> getRole(final String id) {
        return roleBhv.selectByPK(id);