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

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

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/*
 * 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.JbpmException;
import org.jbpm.api.history.HistoryActivityInstance;
import org.jbpm.api.history.HistoryActivityInstanceQuery;
import org.jbpm.pvm.internal.history.model.HistoryActivityInstanceImpl;

/**
 * @author Tom Baeyens
 */
public class HistoryActivityInstanceQueryImpl extends AbstractQuery implements HistoryActivityInstanceQuery {

    private static final long serialVersionUID = 1L;

    protected String processDefinitionId;
    protected Long tookLessThen;
    protected Long tookLongerThen;
    protected Date startedBefore;
    protected Date startedAfter;
    protected String executionId;
    protected String activityName;

    public String hql() {
        StringBuilder hql = new StringBuilder();
        hql.append("select hai ");
        hql.append("from ");
        hql.append(HistoryActivityInstanceImpl.class.getName());
        hql.append(" as hai ");

        if (processDefinitionId != null) {
            appendWhereClause(" hai.historyActivityInstance.processDefinitionId = '" + processDefinitionId + "' ",
                    hql);
        }

        if (tookLessThen != null) {
            appendWhereClause(" hai.duration < :tookLessThen ", hql);
        }

        if (tookLongerThen != null) {
            appendWhereClause(" hai.duration > :tookLongerThen ", hql);
        }

        if (startedBefore != null) {
            appendWhereClause(" hai.startTime < :startedBefore ", hql);
        }

        if (startedAfter != null) {
            appendWhereClause(" hai.startTime > :startedAfter ", hql);
        }

        if (executionId != null) {
            appendWhereClause(" hai.executionId = '" + executionId + "'", hql);
        }

        if (activityName != null) {
            appendWhereClause(" hai.activityName = '" + activityName + "'", hql);
        }

        return hql.toString();
    }

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

        if (tookLongerThen != null) {
            query.setLong("tookLongerThen", tookLongerThen);
        }

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

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

    public List<HistoryActivityInstance> list() {
        return (List) untypedList();
    }

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

    public HistoryActivityInstanceQuery activityName(String activityName) {
        this.activityName = activityName;
        return this;
    }

    public HistoryActivityInstanceQuery executionId(String executionId) {
        this.executionId = executionId;
        return this;
    }

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

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

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

    public HistoryActivityInstanceQuery processDefinitionId(String processDefinitionId) {
        if (processDefinitionId == null) {
            throw new JbpmException("processInstanceId is null");
        }
        this.processDefinitionId = processDefinitionId;
        return this;
    }

    public HistoryActivityInstanceQuery startedAfter(Date time) {
        this.startedAfter = time;
        return this;
    }

    public HistoryActivityInstanceQuery startedBefore(Date time) {
        this.startedBefore = time;
        return this;
    }

    public HistoryActivityInstanceQuery tookLessThen(long durationInMillis) {
        this.tookLessThen = durationInMillis;
        return this;
    }

    public HistoryActivityInstanceQuery tookLongerThen(long durationInMillis) {
        this.tookLongerThen = durationInMillis;
        return this;
    }
}