association_mapping.po

hibernate 开源框架的代码 jar包希望大家能喜欢

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: http://bugs.kde.org\n"
"POT-Creation-Date: 2007-10-25 07:47+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
#: association_mapping.xml:6
#, no-c-format
msgid "Association Mappings"
msgstr "関連マッピング"

#. Tag: title
#: association_mapping.xml:9
#, no-c-format
msgid "Introduction"
msgstr "イントロダクション"

#. Tag: para
#: association_mapping.xml:11
#, no-c-format
msgid ""
"Association mappings are the often most difficult thing to get right. In "
"this section we'll go through the canonical cases one by one, starting with "
"unidirectional mappings, and then considering the bidirectional cases. We'll "
"use <literal>Person</literal> and <literal>Address</literal> in all the "
"examples."
msgstr ""
"関連マッピングはしばしば理解が最も難しいものになります。 この章では、基本的な"
"一つ一つのケースについて述べます。 単方向のマッピングから始め、それから双方向"
"のケースについて考えていきます。 例として、<literal>Person</literal> と "
"<literal>Address</literal> を用います。"

#. Tag: para
#: association_mapping.xml:19
#, no-c-format
msgid ""
"We'll classify associations by whether or not they map to an intervening "
"join table, and by multiplicity."
msgstr ""
"関連は、結合テーブルを入れるかかどうかと、 多重度によって分類することにしま"
"す。"

#. Tag: para
#: association_mapping.xml:24
#, no-c-format
msgid ""
"Nullable foreign keys are not considered good practice in traditional data "
"modelling, so all our examples use not null foreign keys. This is not a "
"requirement of Hibernate, and the mappings will all work if you drop the "
"nullability constraints."
msgstr ""
"すべての例でnot nullの外部キーを使用します。 これはHibernateの要件ではありま"
"せん。 not null制約を外したとしても、マッピングは問題なく動作します。"

#. Tag: title
#: association_mapping.xml:34
#, no-c-format
msgid "Unidirectional associations"
msgstr "単方向関連"

#. Tag: title
#: association_mapping.xml:37 association_mapping.xml:108
#, no-c-format
msgid "many to one"
msgstr "多対一"

#. Tag: para
#: association_mapping.xml:39
#, no-c-format
msgid ""
"A <emphasis>unidirectional many-to-one association</emphasis> is the most "
"common kind of unidirectional association."
msgstr ""
"<emphasis>単方向多対一関連</emphasis> は単方向関連の中で最も一般的なもので"
"す。"

#. Tag: programlisting
#: association_mapping.xml:44
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <many-to-one name=\"address\" \n"
"        column=\"addressId\"\n"
"        not-null=\"true\"/>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:45 association_mapping.xml:161
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key, addressId bigint "
"not null )\n"
"create table Address ( addressId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: title
#: association_mapping.xml:50 association_mapping.xml:121
#: association_mapping.xml:185 association_mapping.xml:225
#, no-c-format
msgid "one to one"
msgstr "一対一"

#. Tag: para
#: association_mapping.xml:52
#, no-c-format
msgid ""
"A <emphasis>unidirectional one-to-one association on a foreign key</"
"emphasis> is almost identical. The only difference is the column unique "
"constraint."
msgstr ""
"<emphasis>外部キーの単方向一対一関連</emphasis> はほとんど同じものです。 唯一"
"違うのは、カラムのユニークな制約です。"

#. Tag: programlisting
#: association_mapping.xml:57
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <many-to-one name=\"address\" \n"
"        column=\"addressId\" \n"
"        unique=\"true\"\n"
"        not-null=\"true\"/>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:58 association_mapping.xml:193
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key, addressId bigint "
"not null unique )\n"
"create table Address ( addressId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: para
#: association_mapping.xml:60
#, no-c-format
msgid ""
"A <emphasis>unidirectional one-to-one association on a primary key</"
"emphasis> usually uses a special id generator. (Notice that we've reversed "
"the direction of the association in this example.)"
msgstr ""
"<emphasis>主キーの単方向一対一関連</emphasis> は通常、特別なIDジェネレータを"
"使います。 （この例では関連の方向が逆になっていることに注意してください）"

#. Tag: programlisting
#: association_mapping.xml:66
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"foreign\">\n"
"            <param name=\"property\">person</param>\n"
"        </generator>\n"
"    </id>\n"
"    <one-to-one name=\"person\" constrained=\"true\"/>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:67 association_mapping.xml:201
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key )\n"
"create table Address ( personId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: title
#: association_mapping.xml:72 association_mapping.xml:94
#, no-c-format
msgid "one to many"
msgstr "一対多"

#. Tag: para
#: association_mapping.xml:74
#, no-c-format
msgid ""
"A <emphasis>unidirectional one-to-many association on a foreign key</"
"emphasis> is a very unusual case, and is not really recommended."
msgstr ""
"<emphasis>外部キーの単方向一対多関連</emphasis> はとても特殊なケースで、 あま"
"り推奨されていません。"

#. Tag: programlisting
#: association_mapping.xml:79
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <set name=\"addresses\">\n"
"        <key column=\"personId\" \n"
"            not-null=\"true\"/>\n"
"        <one-to-many class=\"Address\"/>\n"
"    </set>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:80
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key )\n"
"create table Address ( addressId bigint not null primary key, personId "
"bigint not null )\n"
"        ]]>"
msgstr ""

#. Tag: para
#: association_mapping.xml:82
#, no-c-format
msgid "We think it's better to use a join table for this kind of association."
msgstr "このような関連のために結合テーブルを使うことをお薦めします。"

#. Tag: title
#: association_mapping.xml:91
#, no-c-format
msgid "Unidirectional associations with join tables"
msgstr "結合テーブルを使った単方向関連"

#. Tag: para
#: association_mapping.xml:96
#, no-c-format
msgid ""
"A <emphasis>unidirectional one-to-many association on a join table</"
"emphasis> is much preferred. Notice that by specifying <literal>unique=\"true"
"\"</literal>, we have changed the multiplicity from many-to-many to one-to-"
"many."
msgstr ""
"<emphasis>結合テーブルを使った単方向一対多関連</emphasis> はより好ましいで"
"す。 <literal>unique=\"true\"</literal> の指定により、多重度が多対多から一対"
"多 に変わったことに注意して下さい。"

#. Tag: programlisting
#: association_mapping.xml:102
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <set name=\"addresses\" table=\"PersonAddress\">\n"
"        <key column=\"personId\"/>\n"
"        <many-to-many column=\"addressId\"\n"
"            unique=\"true\"\n"
"            class=\"Address\"/>\n"
"    </set>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:103
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key )\n"
"create table PersonAddress ( personId not null, addressId bigint not null "
"primary key )\n"
"create table Address ( addressId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: para
#: association_mapping.xml:110
#, no-c-format
msgid ""
"A <emphasis>unidirectional many-to-one association on a join table</"
"emphasis> is quite common when the association is optional."
msgstr ""
"<emphasis>結合テーブルの単方向多対一関連</emphasis> は 関連が任意であるときに"
"非常に一般的なものです。"

#. Tag: programlisting
#: association_mapping.xml:115
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <join table=\"PersonAddress\" \n"
"        optional=\"true\">\n"
"        <key column=\"personId\" unique=\"true\"/>\n"
"        <many-to-one name=\"address\"\n"
"            column=\"addressId\" \n"
"            not-null=\"true\"/>\n"
"    </join>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:116
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key )\n"
"create table PersonAddress ( personId bigint not null primary key, addressId "
"bigint not null )\n"
"create table Address ( addressId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: para
#: association_mapping.xml:123
#, no-c-format
msgid ""
"A <emphasis>unidirectional one-to-one association on a join table</emphasis> "
"is extremely unusual, but possible."
msgstr ""
"<emphasis>結合テーブルの単方向一対一関連</emphasis> は、本当に特殊ですが 不可"
"能ではありません。"

#. Tag: programlisting
#: association_mapping.xml:128
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <join table=\"PersonAddress\" \n"
"        optional=\"true\">\n"
"        <key column=\"personId\" \n"
"            unique=\"true\"/>\n"
"        <many-to-one name=\"address\"\n"
"            column=\"addressId\" \n"
"            not-null=\"true\"\n"
"            unique=\"true\"/>\n"
"    </join>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"
"    <id name=\"id\" column=\"addressId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"</class>]]>"
msgstr ""

#. Tag: programlisting
#: association_mapping.xml:129 association_mapping.xml:233
#, no-c-format
msgid ""
"<![CDATA[\n"
"create table Person ( personId bigint not null primary key )\n"
"create table PersonAddress ( personId bigint not null primary key, addressId "
"bigint not null unique )\n"
"create table Address ( addressId bigint not null primary key )\n"
"        ]]>"
msgstr ""

#. Tag: title
#: association_mapping.xml:134 association_mapping.xml:238
#, no-c-format
msgid "many to many"
msgstr "多対多"

#. Tag: para
#: association_mapping.xml:136
#, no-c-format
msgid ""
"Finally, we have a <emphasis>unidirectional many-to-many association</"
"emphasis>."
msgstr "最後に、<emphasis>単方向多対多関連</emphasis> を示します。"

#. Tag: programlisting
#: association_mapping.xml:140
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Person\">\n"
"    <id name=\"id\" column=\"personId\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <set name=\"addresses\" table=\"PersonAddress\">\n"
"        <key column=\"personId\"/>\n"
"        <many-to-many column=\"addressId\"\n"
"            class=\"Address\"/>\n"
"    </set>\n"
"</class>\n"
"\n"
"<class name=\"Address\">\n"