ShowRunsAction.java

/*
 * Copyright 2007 Zhang, Zheng <oldbig@gmail.com>
 * 
 * This file is part of ZOJ.
 * 
 * ZOJ is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either revision 3 of the License, or (at your option) any later revision.
 * 
 * ZOJ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with ZOJ. if not, see
 * <http://www.gnu.org/licenses/>.
 */

package cn.edu.zju.acm.onlinejudge.action;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;

import cn.edu.zju.acm.onlinejudge.bean.Submission;
import cn.edu.zju.acm.onlinejudge.bean.enumeration.JudgeReply;
import cn.edu.zju.acm.onlinejudge.bean.request.SubmissionCriteria;
import cn.edu.zju.acm.onlinejudge.form.SubmissionSearchForm;
import cn.edu.zju.acm.onlinejudge.judgeservice.JudgeService;
import cn.edu.zju.acm.onlinejudge.judgeservice.Priority;
import cn.edu.zju.acm.onlinejudge.util.PersistenceManager;
import cn.edu.zju.acm.onlinejudge.util.StatisticsManager;
import cn.edu.zju.acm.onlinejudge.util.Utility;

/**
 * <p>
 * ShowRunsAction
 * </p>
 * 
 * 
 * @author Zhang, Zheng
 * @version 2.0
 */
public class ShowRunsAction extends BaseAction {

    private final List<JudgeReply> judgeReplies;

    private final List<JudgeReply> adminJudgeReplies;

    /**
     * <p>
     * Default constructor.
     * </p>
     */
    public ShowRunsAction() {
        this.judgeReplies = new ArrayList<JudgeReply>();
        this.judgeReplies.add(JudgeReply.ACCEPTED);
        this.judgeReplies.add(JudgeReply.PRESENTATION_ERROR);
        this.judgeReplies.add(JudgeReply.WRONG_ANSWER);
        this.judgeReplies.add(JudgeReply.TIME_LIMIT_EXCEEDED);
        this.judgeReplies.add(JudgeReply.MEMORY_LIMIT_EXCEEDED);
        this.judgeReplies.add(JudgeReply.SEGMENTATION_FAULT);
        this.judgeReplies.add(JudgeReply.NON_ZERO_EXIT_CODE);
        this.judgeReplies.add(JudgeReply.FLOATING_POINT_ERROR);
        this.judgeReplies.add(JudgeReply.COMPILATION_ERROR);
        this.judgeReplies.add(JudgeReply.OUTPUT_LIMIT_EXCEEDED);

        this.adminJudgeReplies = new ArrayList<JudgeReply>(this.judgeReplies);
        this.adminJudgeReplies.add(JudgeReply.RUNTIME_ERROR);
        this.adminJudgeReplies.add(JudgeReply.QUEUING);
        this.adminJudgeReplies.add(JudgeReply.JUDGE_INTERNAL_ERROR);
    }

    /**
     * ShowRunsAction.
     * 
     * @param mapping
     *            action mapping
     * @param form
     *            action form
     * @param request
     *            http servlet request
     * @param response
     *            http servlet response
     * 
     * @return action forward instance
     * 
     * @throws Exception
     *             any errors happened
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form, ContextAdapter context) throws Exception {

        // check contest
        boolean isProblemset = context.getRequest().getRequestURI().endsWith("showRuns.do");

        ActionForward forward = this.checkContestViewPermission(mapping, context, isProblemset, true);
        if (forward != null) {
            return forward;
        }

        context.setAttribute("judgeReplies", context.isAdmin() ? this.adminJudgeReplies : this.judgeReplies);

        // check contest
        boolean isRejudge = "true".equalsIgnoreCase(context.getRequest().getParameter("rejudge"));

        if (isRejudge) {
            this.checkContestAdminPermission(mapping, context, isProblemset, true);
        } else {
            this.checkContestViewPermission(mapping, context, isProblemset, true);
        }
        if (forward != null) {
            return forward;
        }

        SubmissionSearchForm serachForm = (SubmissionSearchForm) form;
        ActionMessages errors = serachForm.check();
        if (errors.size() > 0) {

            // TODO
            context.setAttribute("runs", new ArrayList<Submission>());
            return this.handleFailure(mapping, context, errors);
        }

        long lastId = Utility.parseLong(serachForm.getLastId());
        long firstId = -1;
        if (lastId < 0) {
            lastId = Long.MAX_VALUE;
            firstId = Utility.parseLong(serachForm.getFirstId());
        }

        int RUNS_PER_PAGE = 15;

        SubmissionCriteria criteria = serachForm.toSubmissionCriteria();

        if (isRejudge) {
            int maxN = 100;
            List<Submission> allRuns =
                    PersistenceManager.getInstance().getSubmissionPersistence().searchSubmissions(criteria, -1,
                                                                                                  Long.MAX_VALUE,
                                                                                                  maxN + 1, true);
            if (allRuns.size() > maxN) {
                // TODO
            }
            this.rejudge(allRuns);
            // TODO
        }

        List<Submission> runs =
                StatisticsManager.getInstance().getSubmissions(criteria, firstId, lastId, RUNS_PER_PAGE + 1);

        long newLastId = -1;
        long newFirstId = -1;
        long nextId = -1;
        long startId = -1;
        if (runs.size() > 0) {
            startId = runs.get(0).getContestOrder();
        }
        if (runs.size() > RUNS_PER_PAGE) {
            nextId = runs.get(runs.size() - 2).getContestOrder();
            runs = runs.subList(0, runs.size() - 1);
        }
        if (firstId > -1) {
            runs = new ArrayList<Submission>(runs);
            Collections.reverse(runs);
        }

        if (runs.size() > 0) {
            if (lastId == Long.MAX_VALUE && firstId == -1) {
                newLastId = nextId;
            } else if (firstId == -1) {
                newLastId = nextId;
                newFirstId = startId;
            } else {
                newFirstId = nextId;
                newLastId = startId;
            }
        }
        context.setAttribute("runs", runs);
        if (newFirstId > -1) {
            context.setAttribute("firstId", newFirstId);
        }
        if (newLastId > -1) {
            context.setAttribute("lastId", newLastId);
        }

        return this.handleSuccess(mapping, context, "success");

    }

    private void rejudge(List<Submission> runs) throws Exception {
        for (Submission submission : runs) {
            if (!submission.getJudgeReply().equals(JudgeReply.OUT_OF_CONTEST_TIME)) {
                submission.setJudgeReply(JudgeReply.QUEUING);
                submission.setMemoryConsumption(0);
                submission.setTimeConsumption(0);
                PersistenceManager.getInstance().getSubmissionPersistence().updateSubmission(submission, 1);
                JudgeService.getInstance().judge(submission, Priority.LOW);
            }
        }
    }
}