<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--NewPage--> <HTML> <HEAD> <!-- Generated by javadoc (build 1.6.0-google-internal) on Mon Jan 04 20:47:59 PST 2010 --> <TITLE> Sets.SetView (Guava Libraries 2010.01.04) </TITLE> <META NAME="date" CONTENT="2010-01-04"> <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="Sets.SetView (Guava Libraries 2010.01.04)"; } } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();"> <HR> <!-- ========= START OF TOP NAVBAR ======= --> <A NAME="navbar_top"><!-- --></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_top_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Sets.SetView.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> </EM> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/google/common/collect/Sets.html" title="class in com.google.common.collect"><B>PREV CLASS</B></A> <A HREF="../../../../com/google/common/collect/SortedSetMultimap.html" title="interface in com.google.common.collect"><B>NEXT CLASS</B></A></FONT></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/google/common/collect/Sets.SetView.html" target="_top"><B>FRAMES</B></A> <A HREF="Sets.SetView.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A> <!-- ========= END OF TOP NAVBAR ========= --> <HR> <!-- ======== START OF CLASS DATA ======== --> <H2> <FONT SIZE="-1"> com.google.common.collect</FONT> <BR> Class Sets.SetView<E></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 "><A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true" title="class or interface in java.util">java.util.AbstractCollection</A><E> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true" title="class or interface in java.util">java.util.AbstractSet</A><E> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.common.collect.Sets.SetView<E></B> </PRE> <DL> <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A><E>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><E>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A><E></DD> </DL> <DL> <DT><B>Enclosing class:</B><DD><A HREF="../../../../com/google/common/collect/Sets.html" title="class in com.google.common.collect">Sets</A></DD> </DL> <HR> <DL> <DT><PRE>public abstract static class <B>Sets.SetView<E></B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true" title="class or interface in java.util">AbstractSet</A><E></DL> </PRE> <P> An unmodifiable view of a set which may be backed by other sets; this view will change as the backing sets do. Contains methods to copy the data into a new set which will then remain stable. There is usually no reason to retain a reference of type <code>SetView</code>; typically, you either use it as a plain <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util"><CODE>Set</CODE></A>, or immediately invoke <A HREF="../../../../com/google/common/collect/Sets.SetView.html#immutableCopy()"><CODE>immutableCopy()</CODE></A> or <A HREF="../../../../com/google/common/collect/Sets.SetView.html#copyInto(S)"><CODE>copyInto(S)</CODE></A> and forget the <code>SetView</code> itself. <P> <P> <HR> <P> <!-- ========== METHOD SUMMARY =========== --> <A NAME="method_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <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> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY=""> <TR ALIGN="right" VALIGN=""> <TD NOWRAP><FONT SIZE="-1"> <CODE><S extends <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A><<A HREF="../../../../com/google/common/collect/Sets.SetView.html" title="type parameter in Sets.SetView">E</A>>> <BR> S</CODE></FONT></TD> </TR> </TABLE> </CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/collect/Sets.SetView.html#copyInto(S)">copyInto</A></B>(S set)</CODE> <BR> Copies the current contents of this set view into an existing set.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../com/google/common/collect/ImmutableSet.html" title="class in com.google.common.collect">ImmutableSet</A><<A HREF="../../../../com/google/common/collect/Sets.SetView.html" title="type parameter in Sets.SetView">E</A>></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/collect/Sets.SetView.html#immutableCopy()">immutableCopy</A></B>()</CODE> <BR> Returns an immutable copy of the current contents of this set view.</TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_java.util.AbstractSet"><!-- --></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.util.<A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true" title="class or interface in java.util">AbstractSet</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.util">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true#hashCode()" title="class or interface in java.util">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractSet.html?is-external=true#removeAll(java.util.Collection)" title="class or interface in java.util">removeAll</A></CODE></TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_java.util.AbstractCollection"><!-- --></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.util.<A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true" title="class or interface in java.util">AbstractCollection</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#add(E)" title="class or interface in java.util">add</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#addAll(java.util.Collection)" title="class or interface in java.util">addAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#clear()" title="class or interface in java.util">clear</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#contains(java.lang.Object)" title="class or interface in java.util">contains</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#containsAll(java.util.Collection)" title="class or interface in java.util">containsAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#isEmpty()" title="class or interface in java.util">isEmpty</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#iterator()" title="class or interface in java.util">iterator</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util">remove</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#retainAll(java.util.Collection)" title="class or interface in java.util">retainAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#size()" title="class or interface in java.util">size</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#toArray()" title="class or interface in java.util">toArray</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#toArray(T[])" title="class or interface in java.util">toArray</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/AbstractCollection.html?is-external=true#toString()" title="class or interface in java.util">toString</A></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#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#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#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> <A NAME="methods_inherited_from_class_java.util.Set"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> <TH ALIGN="left"><B>Methods inherited from interface java.util.<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#add(E)" title="class or interface in java.util">add</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#addAll(java.util.Collection)" title="class or interface in java.util">addAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#clear()" title="class or interface in java.util">clear</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#contains(java.lang.Object)" title="class or interface in java.util">contains</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#containsAll(java.util.Collection)" title="class or interface in java.util">containsAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#isEmpty()" title="class or interface in java.util">isEmpty</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#iterator()" title="class or interface in java.util">iterator</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util">remove</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#retainAll(java.util.Collection)" title="class or interface in java.util">retainAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#size()" title="class or interface in java.util">size</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#toArray()" title="class or interface in java.util">toArray</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true#toArray(T[])" title="class or interface in java.util">toArray</A></CODE></TD> </TR> </TABLE> <P> <!-- ============ 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="immutableCopy()"><!-- --></A><H3> immutableCopy</H3> <PRE> public <A HREF="../../../../com/google/common/collect/ImmutableSet.html" title="class in com.google.common.collect">ImmutableSet</A><<A HREF="../../../../com/google/common/collect/Sets.SetView.html" title="type parameter in Sets.SetView">E</A>> <B>immutableCopy</B>()</PRE> <DL> <DD>Returns an immutable copy of the current contents of this set view. Does not support null elements. <p><b>Warning:</b> this may have unexpected results if a backing set of this view uses a nonstandard notion of equivalence, for example if it is a <A HREF="http://java.sun.com/javase/6/docs/api/java/util/TreeSet.html?is-external=true" title="class or interface in java.util"><CODE>TreeSet</CODE></A> using a comparator that is inconsistent with <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"><CODE>Object.equals(Object)</CODE></A>. <P> <DD><DL> </DL> </DD> </DL> <HR> <A NAME="copyInto(java.util.Set)"><!-- --></A><A NAME="copyInto(S)"><!-- --></A><H3> copyInto</H3> <PRE> public <S extends <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A><<A HREF="../../../../com/google/common/collect/Sets.SetView.html" title="type parameter in Sets.SetView">E</A>>> S <B>copyInto</B>(S set)</PRE> <DL> <DD>Copies the current contents of this set view into an existing set. This method has equivalent behavior to <code>set.addAll(this)</code>, assuming that all the sets involved are based on the same notion of equivalence. <P> <DD><DL> <DT><B>Returns:</B><DD>a reference to <code>set</code>, for convenience</DL> </DD> </DL> <!-- ========= END OF CLASS DATA ========= --> <HR> <!-- ======= START OF BOTTOM NAVBAR ====== --> <A NAME="navbar_bottom"><!-- --></A> <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_bottom_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Sets.SetView.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> </EM> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/google/common/collect/Sets.html" title="class in com.google.common.collect"><B>PREV CLASS</B></A> <A HREF="../../../../com/google/common/collect/SortedSetMultimap.html" title="interface in com.google.common.collect"><B>NEXT CLASS</B></A></FONT></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/google/common/collect/Sets.SetView.html" target="_top"><B>FRAMES</B></A> <A HREF="Sets.SetView.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_bottom"></A> <!-- ======== END OF BOTTOM NAVBAR ======= --> <HR> </BODY> </HTML>