package org.lable.core.server.transport.requestType;

import java.util.ArrayList;
import java.util.List;

import org.apache.hadoop.hbase.filter.FilterList;
import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;

public class FilterNode {
	public SingleColumnValueFilter	filter	= null;
	public List<FilterNode>			nodes	= new ArrayList<FilterNode>();

	public FilterNode(SingleColumnValueFilter filter) {
		this.filter = filter;
	}

	public FilterNode(List<SingleColumnValueFilter> filters) {
		for (SingleColumnValueFilter filter : filters) {
			nodes.add(new FilterNode(filter));
		}
	}

	public void addFilter(SingleColumnValueFilter filter) {
		if (nodes.isEmpty()) {
			nodes.add(new FilterNode(filter));
		} else {
			for (FilterNode node : this.nodes) {
				node.addFilter(filter);
			}
		}
	}

	public void addFilter(List<SingleColumnValueFilter> filters) {
		if (nodes.isEmpty()) {
			for (SingleColumnValueFilter filter : filters) {
				nodes.add(new FilterNode(filter));
			}
		} else {
			for (FilterNode node : this.nodes) {
				node.addFilter(filters);
			}
		}

	}

	public List<FilterList> getPath(FilterList filterList) {
		List<FilterList> resultList = new ArrayList<FilterList>();
		if (filter != null) {
			filterList.addFilter(filter);
		}

		if (!nodes.isEmpty()) {
			for (FilterNode node : this.nodes) {
				resultList.addAll(node.getPath(filterList));
			}
		} else {
			resultList.add(filterList);
		}
		return resultList;
	}

}