io.odysz.semantic.syn.ExchangeBlock Maven / Gradle / Ivy

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package io.odysz.semantic.syn;

import java.io.PrintStream;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;

import io.odysz.anson.Anson;
import io.odysz.module.rs.AnResultset;
import io.odysz.semantic.CRUD;

public class ExchangeBlock extends Anson {

	public static final String ExchangeFlagCol = "change";

	public String srcnode;
	public String peer;
	public HashMap nv;

	public AnResultset chpage;
	public HashMap entities;

	public AnResultset anspage;

	/**
	 * Is the synode has more challenge blocks, which is
	 * need to behandled before closing exchange?
	 */
	public boolean hasmore() {
		return chpage != null && chpage.size() > 0
			|| anspage != null && anspage.size() > 0;
	}

	public ExchangeBlock(String src, String peer, String sessionId, ExessionAct exstate) {
		srcnode = src;
		session = sessionId;
		act = exstate.state;
		this.peer = peer;
	}
	
	public ExchangeBlock nv(HashMap nyquvect) {
		nv = Nyquence.clone(nyquvect);
		return this;
	}

	public int enitities() {
		return entities == null ? 0
			: entities.values()
				.stream()
				.filter(rs -> rs != null)
				.mapToInt(rs -> rs.getRowCount()).sum();
	}

	public int answers() {
		return anspage != null ? anspage.size() : 0;
	}

	public int enitities(String tbl) {
		return entities == null || !entities.containsKey(tbl)
			? 0 : entities.get(tbl).getRowCount();
	}

	/**
	 * Copy answer from {@code p}
	 * 
	 * @param p
	 * @return this
	 */
	public ExchangeBlock answers(ExessionPersist p) {
		this.anspage = p.answerPage;
		return this;
	}

	public void removeChgsub(AnResultset challenpage, String synode) throws SQLException {
		if (challenpage == null)
			return;
		
		if (anspage == null) {
			// anspage = new ArrayList>();
			HashMap cols = challenpage.colnames();
			if (!cols.containsKey(ChangeLogs.ChangeFlag.toUpperCase()))
				cols.put(ChangeLogs.ChangeFlag.toUpperCase(),
						new Object[] {cols.size() + 1, // column index state at 1
								ChangeLogs.ChangeFlag});
			anspage = new AnResultset(cols);
		}

		if (challenpage != null) {
			ArrayList