archived-doc-ru/reference/spl/cachingiterator.xml

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<reference xml:id="class.cachingiterator" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
 <title>Класс CachingIterator</title>
 <titleabbrev>CachingIterator</titleabbrev>

 <partintro>

  <!-- {{{ CachingIterator intro -->
  <section xml:id="cachingiterator.intro">
   &reftitle.intro;
   <para>
    Этот объект поддерживает кеширование итерации над другим итератором.
   </para>
  </section>
  <!-- }}} -->

  <section xml:id="cachingiterator.synopsis">
   &reftitle.classsynopsis;

   <!-- {{{ Synopsis -->
   <classsynopsis class="class">
    <ooclass>
     <classname>CachingIterator</classname>
    </ooclass>

    <ooclass>
     <modifier>extends</modifier>
     <classname>IteratorIterator</classname>
    </ooclass>

    <oointerface>
     <modifier>implements</modifier>
     <interfacename>ArrayAccess</interfacename>
    </oointerface>

    <oointerface>
     <interfacename>Countable</interfacename>
    </oointerface>

    <oointerface>
     <interfacename>Stringable</interfacename>
    </oointerface>

    <classsynopsisinfo role="comment">&Constants;</classsynopsisinfo>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.call-tostring">CachingIterator::CALL_TOSTRING</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.catch-get-child">CachingIterator::CATCH_GET_CHILD</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.tostring-use-key">CachingIterator::TOSTRING_USE_KEY</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.tostring-use-current">CachingIterator::TOSTRING_USE_CURRENT</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.tostring-use-inner">CachingIterator::TOSTRING_USE_INNER</varname>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="cachingiterator.constants.full-cache">CachingIterator::FULL_CACHE</varname>
    </fieldsynopsis>

    <classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.cachingiterator')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='CachingIterator'])">
     <xi:fallback/>
    </xi:include>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.cachingiterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='CachingIterator'])">
     <xi:fallback/>
    </xi:include>

    <classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.iteratoriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='IteratorIterator'])">
     <xi:fallback/>
    </xi:include>
   </classsynopsis>
   <!-- }}} -->

  </section>

  <!-- {{{ CachingIterator constants -->
  <section xml:id="cachingiterator.constants">
   &reftitle.constants;
   <variablelist>

    <varlistentry xml:id="cachingiterator.constants.call-tostring">
     <term><constant>CachingIterator::CALL_TOSTRING</constant></term>
     <listitem>
      <para>Преобразует каждый элемент в строку.</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="cachingiterator.constants.catch-get-child">
     <term><constant>CachingIterator::CATCH_GET_CHILD</constant></term>
     <listitem>
      <para>Не выбрасывать исключения при доступе к дочерним элементам.</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="cachingiterator.constants.tostring-use-key">
     <term><constant>CachingIterator::TOSTRING_USE_KEY</constant></term>
     <listitem>
      <para>
       Использовать <link linkend="cachingiterator.key">ключ</link> при
       преобразовании в строку.
      </para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="cachingiterator.constants.tostring-use-current">
     <term><constant>CachingIterator::TOSTRING_USE_CURRENT</constant></term>
     <listitem>
      <para>
       Использовать <link linkend="cachingiterator.current">текущий элемент</link>
       при преобразовании в строку.</para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="cachingiterator.constants.tostring-use-inner">
     <term><constant>CachingIterator::TOSTRING_USE_INNER</constant></term>
     <listitem>
      <para>
       Использовать <link linkend="iteratoriterator.getinneriterator">внутренний
       итератор</link> при преобразовании в строку.
      </para>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="cachingiterator.constants.full-cache">
     <term><constant>CachingIterator::FULL_CACHE</constant></term>
     <listitem>
      <para>Кеширование всей прочтённой информации.</para>
     </listitem>
    </varlistentry>

   </variablelist>
  </section>
  <!-- }}} -->

  <section role="changelog">
   &reftitle.changelog;
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        Класс <classname>CachingIterator</classname> теперь реализует
        интерфейс <interfacename>Stringable</interfacename>.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </section>

 </partintro>

 &reference.spl.entities.cachingiterator;

</reference>
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