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package com.greenpepper.server.domain;

import static com.greenpepper.server.rpc.xmlrpc.XmlRpcDataMarshaller.PROJECT_NAME_IDX;
import java.util.HashSet;
import java.util.Set;
import java.util.Vector;

import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Transient;

import com.greenpepper.server.GreenPepperServerErrorKey;
import com.greenpepper.server.GreenPepperServerException;

/**
 * Project Class.
 * Definition of a project.
 * 
 * Copyright (c) 2006 Pyxis technologies inc. All Rights Reserved.
 *
 * @author JCHUET
 * @version $Id: $Id
 */

@Entity
@Table(name="PROJECT")
@SuppressWarnings("serial")
public class Project extends AbstractVersionedEntity implements Comparable
{
    private String name;
    private Set repositories = new HashSet();
    private Set systemUnderTests = new HashSet();

    /**
     * 
newInstance.
     *
     * @param name a {@link java.lang.String} object.
     * @return a {@link com.greenpepper.server.domain.Project} object.
     */
    public static Project newInstance(String name)
    {
        Project project = new Project();
        project.setName(name);
        return project;
    }

    /**
     * Getter for the field name.
     *
     * @return a {@link java.lang.String} object.
     */
    @Basic
    @Column(name = "NAME", unique = true, nullable = false, length=255)
    public String getName()
    {
        return name;
    }

    /**
     * Getter for the field repositories.
     *
     * @return a {@link java.util.Set} object.
     */
    @OneToMany(mappedBy="project", cascade=CascadeType.ALL)
    public Set getRepositories()
    {
        return repositories;
    }

    /**
     * Getter for the field systemUnderTests.
     *
     * @return a {@link java.util.Set} object.
     */
    @OneToMany(mappedBy="project", cascade=CascadeType.ALL)
    public Set getSystemUnderTests()
    {
        return systemUnderTests;
    }

    /**
     * Setter for the field name.
     *
     * @param name a {@link java.lang.String} object.
     */
    public void setName(String name)
    {
        this.name = name;
    }

    /**
     * Setter for the field repositories.
     *
     * @param repositories a {@link java.util.Set} object.
     */
    public void setRepositories(Set repositories)
    {
        this.repositories = repositories;
    }

    /**
     * Setter for the field systemUnderTests.
     *
     * @param systemUnderTests a {@link java.util.Set} object.
     */
    public void setSystemUnderTests(Set systemUnderTests)
    {
        this.systemUnderTests = systemUnderTests;
    }

    /**
     * addRepository.
     *
     * @param repo a {@link com.greenpepper.server.domain.Repository} object.
     * @throws com.greenpepper.server.GreenPepperServerException if any.
     */
    public void addRepository(Repository repo) throws GreenPepperServerException
    {
        if (findRepositoryByName(repo.getName()) != null)
        {
            throw new GreenPepperServerException( GreenPepperServerErrorKey.REPOSITORY_ALREADY_EXISTS, "Repository already exists");
        }

        repo.setProject(this);
        repositories.add(repo);
    }

    /**
     * removeRepository.
     *
     * @param repo a {@link com.greenpepper.server.domain.Repository} object.
     * @throws com.greenpepper.server.GreenPepperServerException if any.
     */
    public void removeRepository(Repository repo) throws GreenPepperServerException
    {
        if(!repositories.contains(repo))
        {
            throw new GreenPepperServerException( GreenPepperServerErrorKey.REPOSITORY_NOT_FOUND, "Repository not found");
        }

        repositories.remove(repo);
        repo.setProject(null);
    }

    /**
     * addSystemUnderTest.
     *
     * @param sut a {@link com.greenpepper.server.domain.SystemUnderTest} object.
     * @throws com.greenpepper.server.GreenPepperServerException if any.
     */
    public void addSystemUnderTest(SystemUnderTest sut) throws GreenPepperServerException
    {
        if (findSystemUnderTestByName(sut.getName()) != null)
        {
            throw new GreenPepperServerException( GreenPepperServerErrorKey.SUT_ALREADY_EXISTS, "Sut name already exists");
        }

        if(systemUnderTests.isEmpty()){ sut.setIsDefault(true); }
        systemUnderTests.add(sut);
        sut.setProject(this);
    }

    /**
     * removeSystemUnderTest.
     *
     * @param sut a {@link com.greenpepper.server.domain.SystemUnderTest} object.
     * @throws com.greenpepper.server.GreenPepperServerException if any.
     */
    public void removeSystemUnderTest(SystemUnderTest sut) throws GreenPepperServerException
    {
        if(!systemUnderTests.contains(sut))
        {
            throw new GreenPepperServerException( GreenPepperServerErrorKey.SUT_NOT_FOUND, "Sut not found");
        }

        systemUnderTests.remove(sut);
        if(sut.isDefault() && !systemUnderTests.isEmpty())
        {
            systemUnderTests.iterator().next().setIsDefault(true);
        }

        sut.setProject(null);
    }

    /**
     * getDefaultSystemUnderTest.
     *
     * @return a {@link com.greenpepper.server.domain.SystemUnderTest} object.
     */
    @Transient
    public SystemUnderTest getDefaultSystemUnderTest()
    {
        for(SystemUnderTest sut : systemUnderTests)
        {
            if(sut.isDefault())
            {
                return sut;
            }
        }

        return null;
    }

    /**
     * marshallize.
     *
     * @return a {@link java.util.Vector} object.
     */
    public Vector