com.hmsinc.epicenter.model.workflow.Activity.java Source code

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Here is the source code for com.hmsinc.epicenter.model.workflow.Activity.java

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/**
 * Copyright (C) 2008 University of Pittsburgh
 * 
 * 
 * This file is part of Open EpiCenter
 * 
 *     Open EpiCenter 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 version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     Open EpiCenter 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 Open EpiCenter.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * 
 *   
 */
package com.hmsinc.epicenter.model.workflow;

import static javax.persistence.GenerationType.AUTO;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import org.apache.commons.lang.builder.CompareToBuilder;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Parameter;
import org.hibernate.annotations.Type;
import org.joda.time.DateTime;

import com.hmsinc.epicenter.model.permission.EpiCenterUser;

/**
 * Activity on an event.
 * 
 * @author <a href="mailto:steve.kondik@hmsinc.com">Steve Kondik</a>
 * @version $Id:EventActivity.java 205 2007-09-26 16:52:01Z steve.kondik $
 */
@Entity
@Table(name = "ACTIVITY")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class Activity implements WorkflowObject, Comparable<Activity> {

    /**
     * 
     */
    private static final long serialVersionUID = 3538609293777899715L;

    private Long id;

    private DateTime timestamp = new DateTime();

    private Investigation investigation;

    private EpiCenterUser user;

    private String log;

    /**
     * 
     */
    public Activity() {
        super();
    }

    /**
     * @param event
     * @param user
     * @param log
     */
    public Activity(Investigation investigation, EpiCenterUser user, String log) {
        super();
        this.investigation = investigation;
        this.user = user;
        this.log = log;
    }

    /**
     * @return the id
     */
    @Id
    @Column(name = "ID", nullable = false, insertable = true, updatable = true)
    @GenericGenerator(name = "generator", strategy = "native", parameters = {
            @Parameter(name = "sequence", value = "SEQ_ACTIVITY") })
    @GeneratedValue(strategy = AUTO, generator = "generator")
    public Long getId() {
        return id;
    }

    /**
     * @param id
     *            the id to set
     */
    public void setId(Long id) {
        this.id = id;
    }

    /**
     * @return the timestamp
     */
    @Type(type = "joda")
    @Column(name = "TIMESTAMP", unique = false, nullable = false, insertable = true, updatable = true)
    public DateTime getTimestamp() {
        return timestamp;
    }

    /**
     * @param timestamp
     *            the timestamp to set
     */
    public void setTimestamp(DateTime timestamp) {
        this.timestamp = timestamp;
    }

    /**
     * @return the user
     */
    @ManyToOne(cascade = { CascadeType.ALL }, fetch = FetchType.LAZY)
    @JoinColumn(name = "ID_APP_USER", unique = false, nullable = false, insertable = true, updatable = true)
    @org.hibernate.annotations.ForeignKey(name = "FK_ACTIVITY_1")
    @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
    public EpiCenterUser getUser() {
        return user;
    }

    /**
     * @param user
     *            the user to set
     */
    public void setUser(EpiCenterUser user) {
        this.user = user;
    }

    /**
     * @return the investigation
     */
    @ManyToOne(cascade = { CascadeType.ALL }, fetch = FetchType.LAZY)
    @JoinColumn(name = "ID_INVESTIGATION", unique = false, nullable = false, insertable = true, updatable = true)
    @org.hibernate.annotations.ForeignKey(name = "FK_ACTIVITY_2")
    @Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
    public Investigation getInvestigation() {
        return investigation;
    }

    /**
     * @param investigation
     *            the investigation to set
     */
    public void setInvestigation(Investigation investigation) {
        this.investigation = investigation;
    }

    /**
     * @return the comment
     */
    @Column(name = "LOG", unique = false, nullable = true, insertable = true, updatable = true, length = 4000)
    public String getLog() {
        return log;
    }

    /**
     * @param log
     *            the log to set
     */
    public void setLog(String log) {
        this.log = log;
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Comparable#compareTo(java.lang.Object)
     */
    public int compareTo(Activity rhs) {
        return new CompareToBuilder().append(timestamp, rhs.getTimestamp()).append(id, rhs.getId()).toComparison();
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return log;
    }

}