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Futures (Guava Libraries 2010.01.04)
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com.google.common.util.concurrent</FONT>
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Class Futures</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>com.google.common.util.concurrent.Futures</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>Futures</B><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></DL>
</PRE>
<P>
Static utility methods pertaining to the <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>Future</CODE></A> interface.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>2009.09.15 <b>tentative</b></DD>
<DT><B>Author:</B></DT>
<DD>Kevin Bourrillion, Nishant Thakkar, Sven Mawson</DD>
</DL>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#chain(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function)">chain</A></B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> input,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><? extends O>> function)</CODE>
<BR>
Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#chain(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function, java.util.concurrent.Executor)">chain</A></B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> input,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><? extends O>> function,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</A> exec)</CODE>
<BR>
Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><I,O> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><O></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#compose(java.util.concurrent.Future, com.google.common.base.Function)">compose</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function)</CODE>
<BR>
Creates a new <code>Future</code> that wraps another <code>Future</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#compose(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function)">compose</A></B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function)</CODE>
<BR>
Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#compose(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function, java.util.concurrent.Executor)">compose</A></B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</A> exec)</CODE>
<BR>
Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>>
<BR>
<A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#immediateCheckedFuture(T)">immediateCheckedFuture</A></B>(T value)</CODE>
<BR>
Creates a <code>CheckedFuture</code> which has its value set immediately upon
construction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>>
<BR>
<A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#immediateFailedCheckedFuture(E)">immediateFailedCheckedFuture</A></B>(E exception)</CODE>
<BR>
Creates a <code>CheckedFuture</code> which has an exception set immediately
upon construction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#immediateFailedFuture(java.lang.Throwable)">immediateFailedFuture</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A> throwable)</CODE>
<BR>
Creates a <code>ListenableFuture</code> which has an exception set immediately
upon construction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#immediateFuture(T)">immediateFuture</A></B>(T value)</CODE>
<BR>
Creates a <code>ListenableFuture</code> which has its value set immediately upon
construction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>>
<BR>
<A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#makeChecked(java.util.concurrent.Future, com.google.common.base.Function)">makeChecked</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><T> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>,E> mapper)</CODE>
<BR>
Creates a <A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent"><CODE>CheckedFuture</CODE></A> out of a normal <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>Future</CODE></A> and a
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base"><CODE>Function</CODE></A> that maps from <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang"><CODE>Exception</CODE></A> instances into the
appropriate checked type.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#makeListenable(java.util.concurrent.Future)">makeListenable</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><T> future)</CODE>
<BR>
Creates a <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent"><CODE>ListenableFuture</CODE></A> out of a normal <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>Future</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><V> <A HREF="../../../../../com/google/common/util/concurrent/UninterruptibleFuture.html" title="interface in com.google.common.util.concurrent">UninterruptibleFuture</A><V></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/google/common/util/concurrent/Futures.html#makeUninterruptible(java.util.concurrent.Future)">makeUninterruptible</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><V> future)</CODE>
<BR>
Returns an uninterruptible view of a <code>Future</code>.</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>
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<!-- ============ METHOD DETAIL ========== -->
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<A NAME="makeUninterruptible(java.util.concurrent.Future)"><!-- --></A><H3>
makeUninterruptible</H3>
<PRE>
public static <V> <A HREF="../../../../../com/google/common/util/concurrent/UninterruptibleFuture.html" title="interface in com.google.common.util.concurrent">UninterruptibleFuture</A><V> <B>makeUninterruptible</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><V> future)</PRE>
<DL>
<DD>Returns an uninterruptible view of a <code>Future</code>. If a thread is
interrupted during an attempt to <code>get()</code> from the returned future, it
continues to wait on the result until it is available or the timeout
elapses, and only then re-interrupts the thread.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="makeListenable(java.util.concurrent.Future)"><!-- --></A><H3>
makeListenable</H3>
<PRE>
public static <T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T> <B>makeListenable</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><T> future)</PRE>
<DL>
<DD>Creates a <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent"><CODE>ListenableFuture</CODE></A> out of a normal <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>Future</CODE></A>. The
returned future will create a thread to wait for the source future to
complete before executing the listeners.
<p>Callers who have a future that subclasses
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/FutureTask.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>FutureTask</CODE></A> may want to instead subclass
<A HREF="../../../../../com/google/common/util/concurrent/ListenableFutureTask.html" title="class in com.google.common.util.concurrent"><CODE>ListenableFutureTask</CODE></A>, which adds the <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent"><CODE>ListenableFuture</CODE></A>
functionality to the standard <code>FutureTask</code> implementation.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="makeChecked(java.util.concurrent.Future, com.google.common.base.Function)"><!-- --></A><H3>
makeChecked</H3>
<PRE>
public static <T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>> <A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E> <B>makeChecked</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><T> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>,E> mapper)</PRE>
<DL>
<DD>Creates a <A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent"><CODE>CheckedFuture</CODE></A> out of a normal <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>Future</CODE></A> and a
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base"><CODE>Function</CODE></A> that maps from <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang"><CODE>Exception</CODE></A> instances into the
appropriate checked type.
<p>The given mapping function will be applied to an
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang"><CODE>InterruptedException</CODE></A>, a <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/CancellationException.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>CancellationException</CODE></A>, or an
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/ExecutionException.html?is-external=true" title="class or interface in java.util.concurrent"><CODE>ExecutionException</CODE></A> with the actual cause of the exception.
See <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true#get()" title="class or interface in java.util.concurrent"><CODE>Future.get()</CODE></A> for details on the exceptions thrown.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="immediateFuture(java.lang.Object)"><!-- --></A><A NAME="immediateFuture(T)"><!-- --></A><H3>
immediateFuture</H3>
<PRE>
public static <T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T> <B>immediateFuture</B>(<FONT SIZE="-1"><A HREF="http://jsr-305.googlecode.com/svn/trunk/javadoc/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</A></FONT>
T value)</PRE>
<DL>
<DD>Creates a <code>ListenableFuture</code> which has its value set immediately upon
construction. The getters just return the value. This <code>Future</code> can't
be canceled or timed out and its <code>isDone()</code> method always returns
<code>true</code>. It's useful for returning something that implements the
<code>ListenableFuture</code> interface but already has the result.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="immediateCheckedFuture(java.lang.Object)"><!-- --></A><A NAME="immediateCheckedFuture(T)"><!-- --></A><H3>
immediateCheckedFuture</H3>
<PRE>
public static <T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>> <A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E> <B>immediateCheckedFuture</B>(<FONT SIZE="-1"><A HREF="http://jsr-305.googlecode.com/svn/trunk/javadoc/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</A></FONT>
T value)</PRE>
<DL>
<DD>Creates a <code>CheckedFuture</code> which has its value set immediately upon
construction. The getters just return the value. This <code>Future</code> can't
be canceled or timed out and its <code>isDone()</code> method always returns
<code>true</code>. It's useful for returning something that implements the
<code>CheckedFuture</code> interface but already has the result.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="immediateFailedFuture(java.lang.Throwable)"><!-- --></A><H3>
immediateFailedFuture</H3>
<PRE>
public static <T> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><T> <B>immediateFailedFuture</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A> throwable)</PRE>
<DL>
<DD>Creates a <code>ListenableFuture</code> which has an exception set immediately
upon construction. The getters just return the value. This <code>Future</code>
can't be canceled or timed out and its <code>isDone()</code> method always
returns <code>true</code>. It's useful for returning something that implements
the <code>ListenableFuture</code> interface but already has a failed
result. Calling <code>get()</code> will throw the provided <code>Throwable</code>
(wrapped in an <code>ExecutionException</code>).
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Error.html?is-external=true" title="class or interface in java.lang">Error</A></CODE> - if the throwable was an <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Error.html?is-external=true" title="class or interface in java.lang"><CODE>Error</CODE></A>.</DL>
</DD>
</DL>
<HR>
<A NAME="immediateFailedCheckedFuture(java.lang.Exception)"><!-- --></A><A NAME="immediateFailedCheckedFuture(E)"><!-- --></A><H3>
immediateFailedCheckedFuture</H3>
<PRE>
public static <T,E extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A>> <A HREF="../../../../../com/google/common/util/concurrent/CheckedFuture.html" title="interface in com.google.common.util.concurrent">CheckedFuture</A><T,E> <B>immediateFailedCheckedFuture</B>(E exception)</PRE>
<DL>
<DD>Creates a <code>CheckedFuture</code> which has an exception set immediately
upon construction. The getters just return the value. This <code>Future</code>
can't be canceled or timed out and its <code>isDone()</code> method always
returns <code>true</code>. It's useful for returning something that implements
the <code>CheckedFuture</code> interface but already has a failed result.
Calling <code>get()</code> will throw the provided <code>Throwable</code> (wrapped in
an <code>ExecutionException</code>) and calling <code>checkedGet()</code> will throw
the provided exception itself.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Error.html?is-external=true" title="class or interface in java.lang">Error</A></CODE> - if the throwable was an <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Error.html?is-external=true" title="class or interface in java.lang"><CODE>Error</CODE></A>.</DL>
</DD>
</DL>
<HR>
<A NAME="chain(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function)"><!-- --></A><H3>
chain</H3>
<PRE>
public static <I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O> <B>chain</B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> input,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><? extends O>> function)</PRE>
<DL>
<DD>Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>. The result of the new future is the result of
the provided function called on the result of the provided future.
The resulting future doesn't interrupt when aborted.
<p>TODO: Add a version that accepts a normal <code>Future</code>
<p>The typical use for this method would be when a RPC call is dependent on
the results of another RPC. One would call the first RPC (input), create a
function that calls another RPC based on input's result, and then call
chain on input and that function to get a <code>ListenableFuture</code> of
the result.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The future to chain<DD><CODE>function</CODE> - A function to chain the results of the provided future
to the results of the returned future. This will be run in the thread
that notifies input it is complete.
<DT><B>Returns:</B><DD>A future that holds result of the chain.</DL>
</DD>
</DL>
<HR>
<A NAME="chain(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function, java.util.concurrent.Executor)"><!-- --></A><H3>
chain</H3>
<PRE>
public static <I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O> <B>chain</B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> input,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><? extends O>> function,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</A> exec)</PRE>
<DL>
<DD>Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>. The result of the new future is the result of
the provided function called on the result of the provided future.
The resulting future doesn't interrupt when aborted.
<p>This version allows an arbitrary executor to be passed in for running
the chained Function. When using <A HREF="../../../../../com/google/common/util/concurrent/Executors.html#sameThreadExecutor()"><CODE>Executors.sameThreadExecutor()</CODE></A>, the
thread chained Function executes in will be whichever thread set the
result of the input Future, which may be the network thread in the case of
RPC-based Futures.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The future to chain<DD><CODE>function</CODE> - A function to chain the results of the provided future
to the results of the returned future.<DD><CODE>exec</CODE> - Executor to run the function in.
<DT><B>Returns:</B><DD>A future that holds result of the chain.</DL>
</DD>
</DL>
<HR>
<A NAME="compose(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function)"><!-- --></A><H3>
compose</H3>
<PRE>
public static <I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O> <B>compose</B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function)</PRE>
<DL>
<DD>Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>. The result of the new future is the result of
the provided function called on the result of the provided future.
The resulting future doesn't interrupt when aborted.
<p>An example use of this method is to convert a serializable object
returned from an RPC into a POJO.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>future</CODE> - The future to compose<DD><CODE>function</CODE> - A Function to compose the results of the provided future
to the results of the returned future. This will be run in the thread
that notifies input it is complete.
<DT><B>Returns:</B><DD>A future that holds result of the composition.</DL>
</DD>
</DL>
<HR>
<A NAME="compose(com.google.common.util.concurrent.ListenableFuture, com.google.common.base.Function, java.util.concurrent.Executor)"><!-- --></A><H3>
compose</H3>
<PRE>
public static <I,O> <A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><O> <B>compose</B>(<A HREF="../../../../../com/google/common/util/concurrent/ListenableFuture.html" title="interface in com.google.common.util.concurrent">ListenableFuture</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</A> exec)</PRE>
<DL>
<DD>Creates a new <code>ListenableFuture</code> that wraps another
<code>ListenableFuture</code>. The result of the new future is the result of
the provided function called on the result of the provided future.
The resulting future doesn't interrupt when aborted.
<p>An example use of this method is to convert a serializable object
returned from an RPC into a POJO.
<p>This version allows an arbitrary executor to be passed in for running
the chained Function. When using <A HREF="../../../../../com/google/common/util/concurrent/Executors.html#sameThreadExecutor()"><CODE>Executors.sameThreadExecutor()</CODE></A>, the
thread chained Function executes in will be whichever thread set the result
of the input Future, which may be the network thread in the case of
RPC-based Futures.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>future</CODE> - The future to compose<DD><CODE>function</CODE> - A Function to compose the results of the provided future
to the results of the returned future.<DD><CODE>exec</CODE> - Executor to run the function in.
<DT><B>Returns:</B><DD>A future that holds result of the composition.<DT><B>Since:</B></DT>
<DD>2010.01.04 <b>tentative</b></DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="compose(java.util.concurrent.Future, com.google.common.base.Function)"><!-- --></A><H3>
compose</H3>
<PRE>
public static <I,O> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><O> <B>compose</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</A><I> future,
<A HREF="../../../../../com/google/common/base/Function.html" title="interface in com.google.common.base">Function</A><? super I,? extends O> function)</PRE>
<DL>
<DD>Creates a new <code>Future</code> that wraps another <code>Future</code>.
The result of the new future is the result of the provided function called
on the result of the provided future.
<p>An example use of this method is to convert a Future that produces a
handle to an object to a future that produces the object itself.
<p>Each call to <code>Future<O>.get(*)</code> results in a call to
<code>Future<I>.get(*)</code>, but <code>function</code> is only applied once, so it
is assumed that <code>Future<I>.get(*)</code> is idempotent.
<p>When calling <A HREF="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Future.html?is-external=true#get(long, java.util.concurrent.TimeUnit)" title="class or interface in java.util.concurrent"><CODE>Future.get(long, TimeUnit)</CODE></A> on the returned
future, the timeout only applies to the future passed in to this method.
Any additional time taken by applying <code>function</code> is not considered.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>future</CODE> - The future to compose<DD><CODE>function</CODE> - A Function to compose the results of the provided future
to the results of the returned future. This will be run in the thread
that calls one of the varieties of <code>get()</code>.
<DT><B>Returns:</B><DD>A future that computes result of the composition.</DL>
</DD>
</DL>
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