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| org.apache.shiro.subject.support</FONT> |
| <BR> |
| Class SubjectRunnable</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.shiro.subject.support.SubjectRunnable</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.57"><B>SubjectRunnable</B></A><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A></DL> |
| </PRE> |
| |
| <P> |
| A <code>SubjectRunnable</code> ensures that a target/delegate <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A> will execute such that any |
| call to <code>SecurityUtils.</code><A HREF="../../../../../org/apache/shiro/SecurityUtils.html#getSubject()"><CODE>getSubject()</CODE></A> during the |
| <code>Runnable</code>'s execution will return the associated <code>Subject</code> instance. The <code>SubjectRunnable</code> |
| instance can be run on any thread (the current thread or asynchronously on another thread) and the |
| <code>SecurityUtils.getSubject()</code> call will still work properly. This implementation also guarantees that Shiro's |
| thread state will be identical before and after execution to ensure threads remain clean in any thread-pooled |
| environment. |
| <p/> |
| When instances of this class <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true#run()" title="class or interface in java.lang"><CODE>run()</CODE></A>, the following occurs: |
| <ol> |
| <li>The Subject and any of its associated thread state is first bound to the thread that executes the |
| <code>Runnable</code>.</li> |
| <li>The delegate/target <code>Runnable</code> is <A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#doRun(java.lang.Runnable)"><CODE>run</CODE></A></li> |
| <li>Any previous thread state that might have existed before the <code>Subject</code> was bound is fully restored</li> |
| </ol> |
| <p/> |
| |
| <h3>Usage</h3> |
| |
| This is typically considered a support class and is not often directly referenced. Most people prefer to use |
| the <code>Subject.</code><A HREF="../../../../../org/apache/shiro/subject/Subject.html#execute(java.lang.Runnable)"><CODE>execute</CODE></A> or |
| <code>Subject.</code><A HREF="../../../../../org/apache/shiro/subject/Subject.html#associateWith(java.lang.Runnable)"><CODE>associateWith</CODE></A> methods, which transparently perform the |
| necessary association logic. |
| <p/> |
| An even more convenient alternative is to use a |
| <A HREF="../../../../../org/apache/shiro/concurrent/SubjectAwareExecutor.html" title="class in org.apache.shiro.concurrent"><CODE>SubjectAwareExecutor</CODE></A>, which transparently uses |
| instances of this class but does not require referencing Shiro's API at all. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.0</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/shiro/subject/Subject.html#associateWith(java.lang.Runnable)"><CODE>Subject.associateWith(Runnable)</CODE></A>, |
| <A HREF="../../../../../org/apache/shiro/concurrent/SubjectAwareExecutor.html" title="class in org.apache.shiro.concurrent"><CODE>SubjectAwareExecutor</CODE></A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected <A HREF="../../../../../org/apache/shiro/util/ThreadState.html" title="interface in org.apache.shiro.util">ThreadState</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#threadState">threadState</A></B></CODE> |
| |
| <BR> |
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| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
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| <B>Constructor Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> </CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#SubjectRunnable(org.apache.shiro.subject.Subject, java.lang.Runnable)">SubjectRunnable</A></B>(<A HREF="../../../../../org/apache/shiro/subject/Subject.html" title="interface in org.apache.shiro.subject">Subject</A> subject, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> delegate)</CODE> |
| |
| <BR> |
| Creates a new <code>SubjectRunnable</code> that, when executed, will execute the target <code>delegate</code>, but |
| guarantees that it will run associated with the specified <code>Subject</code>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected </CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#SubjectRunnable(org.apache.shiro.util.ThreadState, java.lang.Runnable)">SubjectRunnable</A></B>(<A HREF="../../../../../org/apache/shiro/util/ThreadState.html" title="interface in org.apache.shiro.util">ThreadState</A> threadState, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> delegate)</CODE> |
| |
| <BR> |
| Creates a new <code>SubjectRunnable</code> that, when executed, will perform thread state |
| <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#bind()"><CODE>binding</CODE></A> and guaranteed <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#restore()"><CODE>restoration</CODE></A> before and after the |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A>'s execution, respectively.</TD> |
| </TR> |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#doRun(java.lang.Runnable)">doRun</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> runnable)</CODE> |
| |
| <BR> |
| Simply calls the target <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A>'s <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true#run()" title="class or interface in java.lang"><CODE>run()</CODE></A> method.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#run()">run</A></B>()</CODE> |
| |
| <BR> |
| <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#bind()"><CODE>Bind</CODE></A>s the Subject thread state, executes the target <code>Runnable</code> and then guarantees |
| the previous thread state's <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#restore()"><CODE>restoration</CODE></A>:</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="threadState"><!-- --></A><H3> |
| threadState</H3> |
| <PRE> |
| protected final <A HREF="../../../../../org/apache/shiro/util/ThreadState.html" title="interface in org.apache.shiro.util">ThreadState</A> <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.59"><B>threadState</B></A></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="SubjectRunnable(org.apache.shiro.subject.Subject, java.lang.Runnable)"><!-- --></A><H3> |
| SubjectRunnable</H3> |
| <PRE> |
| public <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.69"><B>SubjectRunnable</B></A>(<A HREF="../../../../../org/apache/shiro/subject/Subject.html" title="interface in org.apache.shiro.subject">Subject</A> subject, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> delegate)</PRE> |
| <DL> |
| <DD>Creates a new <code>SubjectRunnable</code> that, when executed, will execute the target <code>delegate</code>, but |
| guarantees that it will run associated with the specified <code>Subject</code>. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>subject</CODE> - the Subject to associate with the delegate's execution.<DD><CODE>delegate</CODE> - the runnable to run.</DL> |
| </DL> |
| <HR> |
| |
| <A NAME="SubjectRunnable(org.apache.shiro.util.ThreadState, java.lang.Runnable)"><!-- --></A><H3> |
| SubjectRunnable</H3> |
| <PRE> |
| protected <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.82"><B>SubjectRunnable</B></A>(<A HREF="../../../../../org/apache/shiro/util/ThreadState.html" title="interface in org.apache.shiro.util">ThreadState</A> threadState, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> delegate) |
| throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> |
| <DL> |
| <DD>Creates a new <code>SubjectRunnable</code> that, when executed, will perform thread state |
| <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#bind()"><CODE>binding</CODE></A> and guaranteed <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#restore()"><CODE>restoration</CODE></A> before and after the |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A>'s execution, respectively. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>threadState</CODE> - the thread state to bind and unbind before and after the runnable's execution.<DD><CODE>delegate</CODE> - the delegate <code>Runnable</code> to execute when this instance is <A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#run()"><CODE>run()</CODE></A>. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if either the <code>ThreadState</code> or <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A> arguments are <code>null</code>.</DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="run()"><!-- --></A><H3> |
| run</H3> |
| <PRE> |
| public void <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.105"><B>run</B></A>()</PRE> |
| <DL> |
| <DD><A HREF="../../../../../org/apache/shiro/util/ThreadState.html#bind()"><CODE>Bind</CODE></A>s the Subject thread state, executes the target <code>Runnable</code> and then guarantees |
| the previous thread state's <A HREF="../../../../../org/apache/shiro/util/ThreadState.html#restore()"><CODE>restoration</CODE></A>: |
| <pre> |
| try { |
| threadState.<A HREF="../../../../../org/apache/shiro/util/ThreadState.html#bind()"><CODE>bind()</CODE></A>; |
| <A HREF="../../../../../org/apache/shiro/subject/support/SubjectRunnable.html#doRun(java.lang.Runnable)"><CODE>doRun</CODE></A>(targetRunnable); |
| } finally { |
| threadState.<A HREF="../../../../../org/apache/shiro/util/ThreadState.html#restore()"><CODE>restore()</CODE></A> |
| } |
| </pre> |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true#run()" title="class or interface in java.lang">run</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="doRun(java.lang.Runnable)"><!-- --></A><H3> |
| doRun</H3> |
| <PRE> |
| protected void <A HREF="../../../../../src-html/org/apache/shiro/subject/support/SubjectRunnable.html#line.119"><B>doRun</B></A>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</A> runnable)</PRE> |
| <DL> |
| <DD>Simply calls the target <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><CODE>Runnable</CODE></A>'s <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Runnable.html?is-external=true#run()" title="class or interface in java.lang"><CODE>run()</CODE></A> method. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>runnable</CODE> - the target runnable to run.</DL> |
| </DD> |
| </DL> |
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