example_weblog.po

hibernate-distribution-3.3.1.GA-dist.zip源码

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: http://bugs.kde.org\n"
"POT-Creation-Date: 2008-08-14 15:28+0000\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <[e-mail]>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#. Tag: title
#: example_weblog.xml:29
#, no-c-format
msgid "Example: Weblog Application"
msgstr "示例：Weblog 应用程序"

#. Tag: title
#: example_weblog.xml:32
#, no-c-format
msgid "Persistent Classes"
msgstr "持久化类"

#. Tag: para
#: example_weblog.xml:34
#, no-c-format
msgid ""
"The persistent classes represent a weblog, and an item posted in a weblog. "
"They are to be modelled as a standard parent/child relationship, but we will "
"use an ordered bag, instead of a set."
msgstr ""
"下面的持久化类表示一个weblog和在其中张贴的一个贴子。他们是标准的父/子关系模"
"型，但是我们会用一个有序包（ordered bag)而非集合(set)。"

#. Tag: programlisting
#: example_weblog.xml:40
#, no-c-format
msgid ""
"<![CDATA[package eg;\n"
"\n"
"import java.util.List;\n"
"\n"
"public class Blog {\n"
"    private Long _id;\n"
"    private String _name;\n"
"    private List _items;\n"
"\n"
"    public Long getId() {\n"
"        return _id;\n"
"    }\n"
"    public List getItems() {\n"
"        return _items;\n"
"    }\n"
"    public String getName() {\n"
"        return _name;\n"
"    }\n"
"    public void setId(Long long1) {\n"
"        _id = long1;\n"
"    }\n"
"    public void setItems(List list) {\n"
"        _items = list;\n"
"    }\n"
"    public void setName(String string) {\n"
"        _name = string;\n"
"    }\n"
"}]]>"
msgstr ""

#. Tag: programlisting
#: example_weblog.xml:42
#, no-c-format
msgid ""
"<![CDATA[package eg;\n"
"\n"
"import java.text.DateFormat;\n"
"import java.util.Calendar;\n"
"\n"
"public class BlogItem {\n"
"    private Long _id;\n"
"    private Calendar _datetime;\n"
"    private String _text;\n"
"    private String _title;\n"
"    private Blog _blog;\n"
"\n"
"    public Blog getBlog() {\n"
"        return _blog;\n"
"    }\n"
"    public Calendar getDatetime() {\n"
"        return _datetime;\n"
"    }\n"
"    public Long getId() {\n"
"        return _id;\n"
"    }\n"
"    public String getText() {\n"
"        return _text;\n"
"    }\n"
"    public String getTitle() {\n"
"        return _title;\n"
"    }\n"
"    public void setBlog(Blog blog) {\n"
"        _blog = blog;\n"
"    }\n"
"    public void setDatetime(Calendar calendar) {\n"
"        _datetime = calendar;\n"
"    }\n"
"    public void setId(Long long1) {\n"
"        _id = long1;\n"
"    }\n"
"    public void setText(String string) {\n"
"        _text = string;\n"
"    }\n"
"    public void setTitle(String string) {\n"
"        _title = string;\n"
"    }\n"
"}]]>"
msgstr ""

#. Tag: title
#: example_weblog.xml:47
#, no-c-format
msgid "Hibernate Mappings"
msgstr "Hibernate 映射"

#. Tag: para
#: example_weblog.xml:49
#, no-c-format
msgid "The XML mappings should now be quite straightforward."
msgstr "下列的XML映射应该是很直白的。"

#. Tag: programlisting
#: example_weblog.xml:53
#, no-c-format
msgid ""
"<![CDATA[<?xml version=\"1.0\"?>\n"
"<!DOCTYPE hibernate-mapping PUBLIC\n"
"    \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n"
"    \"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd\">\n"
"\n"
"<hibernate-mapping package=\"eg\">\n"
"\n"
"    <class\n"
"        name=\"Blog\"\n"
"        table=\"BLOGS\">\n"
"\n"
"        <id\n"
"            name=\"id\"\n"
"            column=\"BLOG_ID\">\n"
"\n"
"            <generator class=\"native\"/>\n"
"\n"
"        </id>\n"
"\n"
"        <property\n"
"            name=\"name\"\n"
"            column=\"NAME\"\n"
"            not-null=\"true\"\n"
"            unique=\"true\"/>\n"
"\n"
"        <bag\n"
"            name=\"items\"\n"
"            inverse=\"true\"\n"
"            order-by=\"DATE_TIME\"\n"
"            cascade=\"all\">\n"
"\n"
"            <key column=\"BLOG_ID\"/>\n"
"            <one-to-many class=\"BlogItem\"/>\n"
"\n"
"        </bag>\n"
"\n"
"    </class>\n"
"\n"
"</hibernate-mapping>]]>"
msgstr ""

#. Tag: programlisting
#: example_weblog.xml:55
#, no-c-format
msgid ""
"<![CDATA[<?xml version=\"1.0\"?>\n"
"<!DOCTYPE hibernate-mapping PUBLIC\n"
"    \"-//Hibernate/Hibernate Mapping DTD 3.0//EN\"\n"
"    \"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd\">\n"
"\n"
"<hibernate-mapping package=\"eg\">\n"
"\n"
"    <class\n"
"        name=\"BlogItem\"\n"
"        table=\"BLOG_ITEMS\"\n"
"        dynamic-update=\"true\">\n"
"\n"
"        <id\n"
"            name=\"id\"\n"
"            column=\"BLOG_ITEM_ID\">\n"
"\n"
"            <generator class=\"native\"/>\n"
"\n"
"        </id>\n"
"\n"
"        <property\n"
"            name=\"title\"\n"
"            column=\"TITLE\"\n"
"            not-null=\"true\"/>\n"
"\n"
"        <property\n"
"            name=\"text\"\n"
"            column=\"TEXT\"\n"
"            not-null=\"true\"/>\n"
"\n"
"        <property\n"
"            name=\"datetime\"\n"
"            column=\"DATE_TIME\"\n"
"            not-null=\"true\"/>\n"
"\n"
"        <many-to-one\n"
"            name=\"blog\"\n"
"            column=\"BLOG_ID\"\n"
"            not-null=\"true\"/>\n"
"\n"
"    </class>\n"
"\n"
"</hibernate-mapping>]]>"
msgstr ""

#. Tag: title
#: example_weblog.xml:60
#, no-c-format
msgid "Hibernate Code"
msgstr "Hibernate 代码"

#. Tag: para
#: example_weblog.xml:62
#, no-c-format
msgid ""
"The following class demonstrates some of the kinds of things we can do with "
"these classes, using Hibernate."
msgstr "下面的类演示了我们可以使用Hibernate对这些类进行的一些操作。"

#. Tag: programlisting
#: example_weblog.xml:67
#, no-c-format
msgid ""
"<![CDATA[package eg;\n"
"\n"
"import java.util.ArrayList;\n"
"import java.util.Calendar;\n"
"import java.util.Iterator;\n"
"import java.util.List;\n"
"\n"
"import org.hibernate.HibernateException;\n"
"import org.hibernate.Query;\n"
"import org.hibernate.Session;\n"
"import org.hibernate.SessionFactory;\n"
"import org.hibernate.Transaction;\n"
"import org.hibernate.cfg.Configuration;\n"
"import org.hibernate.tool.hbm2ddl.SchemaExport;\n"
"\n"
"public class BlogMain {\n"
"    \n"
"    private SessionFactory _sessions;\n"
"    \n"
"    public void configure() throws HibernateException {\n"
"        _sessions = new Configuration()\n"
"            .addClass(Blog.class)\n"
"            .addClass(BlogItem.class)\n"
"            .buildSessionFactory();\n"
"    }\n"
"    \n"
"    public void exportTables() throws HibernateException {\n"
"        Configuration cfg = new Configuration()\n"
"            .addClass(Blog.class)\n"
"            .addClass(BlogItem.class);\n"
"        new SchemaExport(cfg).create(true, true);\n"
"    }\n"
"    \n"
"    public Blog createBlog(String name) throws HibernateException {\n"
"        \n"
"        Blog blog = new Blog();\n"
"        blog.setName(name);\n"
"        blog.setItems( new ArrayList() );\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            session.persist(blog);\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return blog;\n"
"    }\n"
"    \n"
"    public BlogItem createBlogItem(Blog blog, String title, String text)\n"
"                        throws HibernateException {\n"
"        \n"
"        BlogItem item = new BlogItem();\n"
"        item.setTitle(title);\n"
"        item.setText(text);\n"
"        item.setBlog(blog);\n"
"        item.setDatetime( Calendar.getInstance() );\n"
"        blog.getItems().add(item);\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            session.update(blog);\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return item;\n"
"    }\n"
"    \n"
"    public BlogItem createBlogItem(Long blogid, String title, String text)\n"
"                        throws HibernateException {\n"
"        \n"
"        BlogItem item = new BlogItem();\n"
"        item.setTitle(title);\n"
"        item.setText(text);\n"
"        item.setDatetime( Calendar.getInstance() );\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            Blog blog = (Blog) session.load(Blog.class, blogid);\n"
"            item.setBlog(blog);\n"
"            blog.getItems().add(item);\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return item;\n"
"    }\n"
"    \n"
"    public void updateBlogItem(BlogItem item, String text)\n"
"                    throws HibernateException {\n"
"        \n"
"        item.setText(text);\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            session.update(item);\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"    }\n"
"    \n"
"    public void updateBlogItem(Long itemid, String text)\n"
"                    throws HibernateException {\n"
"    \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            BlogItem item = (BlogItem) session.load(BlogItem.class, "
"itemid);\n"
"            item.setText(text);\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"    }\n"
"    \n"
"    public List listAllBlogNamesAndItemCounts(int max)\n"
"                    throws HibernateException {\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        List result = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            Query q = session.createQuery(\n"
"                \"select blog.id, blog.name, count(blogItem) \" +\n"
"                \"from Blog as blog \" +\n"
"                \"left outer join blog.items as blogItem \" +\n"
"                \"group by blog.name, blog.id \" +\n"
"                \"order by max(blogItem.datetime)\"\n"
"            );\n"
"            q.setMaxResults(max);\n"
"            result = q.list();\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return result;\n"
"    }\n"
"    \n"
"    public Blog getBlogAndAllItems(Long blogid)\n"
"                    throws HibernateException {\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        Blog blog = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            Query q = session.createQuery(\n"
"                \"from Blog as blog \" +\n"
"                \"left outer join fetch blog.items \" +\n"
"                \"where blog.id = :blogid\"\n"
"            );\n"
"            q.setParameter(\"blogid\", blogid);\n"
"            blog  = (Blog) q.uniqueResult();\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return blog;\n"
"    }\n"
"    \n"
"    public List listBlogsAndRecentItems() throws HibernateException {\n"
"        \n"
"        Session session = _sessions.openSession();\n"
"        Transaction tx = null;\n"
"        List result = null;\n"
"        try {\n"
"            tx = session.beginTransaction();\n"
"            Query q = session.createQuery(\n"
"                \"from Blog as blog \" +\n"
"                \"inner join blog.items as blogItem \" +\n"
"                \"where blogItem.datetime > :minDate\"\n"
"            );\n"
"\n"
"            Calendar cal = Calendar.getInstance();\n"
"            cal.roll(Calendar.MONTH, false);\n"
"            q.setCalendar(\"minDate\", cal);\n"
"            \n"
"            result = q.list();\n"
"            tx.commit();\n"
"        }\n"
"        catch (HibernateException he) {\n"
"            if (tx!=null) tx.rollback();\n"
"            throw he;\n"
"        }\n"
"        finally {\n"
"            session.close();\n"
"        }\n"
"        return result;\n"
"    }\n"
"}]]>"
msgstr ""