org.jbpm.pvm.internal.query.HistoryDetailQueryImpl.java Source code

Introduction

Here is the source code for org.jbpm.pvm.internal.query.HistoryDetailQueryImpl.java

Source

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.pvm.internal.query;

import java.util.Date;
import java.util.List;

import org.hibernate.Query;
import org.jbpm.api.history.HistoryDetail;
import org.jbpm.api.history.HistoryDetailQuery;
import org.jbpm.pvm.internal.history.model.HistoryCommentImpl;
import org.jbpm.pvm.internal.history.model.HistoryDetailImpl;
import org.jbpm.pvm.internal.util.CollectionUtil;

/**
 * @author Tom Baeyens
 */
public class HistoryDetailQueryImpl extends AbstractQuery implements HistoryDetailQuery {

    protected Class<?> type = HistoryDetailImpl.class;

    protected Date timeBefore;
    protected Date timeAfter;

    protected String processInstanceId;
    protected String activityInstanceId;
    protected String taskId;

    public String hql() {
        StringBuilder hql = new StringBuilder();
        hql.append("select hd ");
        hql.append("from ");
        hql.append(type.getName());
        hql.append(" as hd ");

        if (taskId != null) {
            appendWhereClause(" hd.historyTask.dbid = " + taskId + " ", hql);
        }

        if (processInstanceId != null) {
            appendWhereClause(" hd.historyProcessInstance.processInstanceId = '" + processInstanceId + "' ", hql);
        }

        if (activityInstanceId != null) {
            appendWhereClause(" hd.historyActivityInstance.dbid = " + activityInstanceId + " ", hql);
        }

        if (timeBefore != null) {
            appendWhereClause(" hd.time < :timeBefore ", hql);
        }

        if (timeAfter != null) {
            appendWhereClause(" hd.time > :timeAfter ", hql);
        }

        appendOrderByClause(hql);

        return hql.toString();
    }

    protected void applyParameters(Query query) {
        if (timeAfter != null) {
            query.setTime("timeAfter", timeAfter);
        }

        if (timeBefore != null) {
            query.setTime("timeBefore", timeBefore);
        }
    }

    public List<HistoryDetail> list() {
        return CollectionUtil.checkList(untypedList(), HistoryDetail.class);
    }

    public HistoryDetail uniqueResult() {
        return (HistoryDetail) untypedUniqueResult();
    }

    public HistoryDetailQuery taskId(String taskId) {
        this.taskId = taskId;
        return this;
    }

    public HistoryDetailQuery orderAsc(String property) {
        addOrderByClause("hd." + property + " asc");
        return this;
    }

    public HistoryDetailQuery orderDesc(String property) {
        addOrderByClause("hd." + property + " desc");
        return this;
    }

    public HistoryDetailQuery page(int firstResult, int maxResults) {
        this.page = new Page(firstResult, maxResults);
        return this;
    }

    public HistoryDetailQuery activityInstanceId(String activityInstanceId) {
        this.activityInstanceId = activityInstanceId;
        return this;
    }

    public HistoryDetailQuery processInstanceId(String processInstanceId) {
        this.processInstanceId = processInstanceId;
        return this;
    }

    public HistoryDetailQuery comments() {
        type = HistoryCommentImpl.class;
        return this;
    }

    public HistoryDetailQuery timeAfter(Date timeAfter) {
        this.timeAfter = timeAfter;
        return this;
    }

    public HistoryDetailQuery timeBefore(Date timeBefore) {
        this.timeBefore = timeBefore;
        return this;
    }
}