weakhashset.html

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<TD><B>Methods inherited from interface <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></B></TD>
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<A NAME="WeakHashSet()"><!-- --></A><H3>
WeakHashSet</H3>
<PRE>
public <B>WeakHashSet</B>()</PRE>
<DL>
<DD>Construct a .
<P>
</DL>

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<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Returns the count of element in this set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="contains(java.lang.Object)"><!-- --></A><H3>
contains</H3>
<PRE>
public boolean <B>contains</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Returns  if this set contains the specified element.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - Object to be checked for containment in this set.
<DT><B>Returns:</B><DD> if this set contains the specified element.</DL>
</DD>
</DL>
<HR>

<A NAME="get(java.lang.Object)"><!-- --></A><H3>
get</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>get</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Returns an object equals to the specified object, if present. If
 this set doesn't contains any object equals to ,
 then this method returns .
<P>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/util/WeakHashSet.html#canonicalize(java.lang.Object)"><CODE>canonicalize(Object)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="remove(java.lang.Object)"><!-- --></A><H3>
remove</H3>
<PRE>
public boolean <B>remove</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Removes a single instance of the specified element from this set,
 if it is present
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - element to be removed from this set, if present.
<DT><B>Returns:</B><DD> if the set contained the specified element.</DL>
</DD>
</DL>
<HR>

<A NAME="add(java.lang.Object)"><!-- --></A><H3>
add</H3>
<PRE>
public boolean <B>add</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Adds the specified element to this set if it is not already present.
 If this set already contains the specified element, the call leaves
 this set unchanged and returns .
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - Element to be added to this set.
<DT><B>Returns:</B><DD> if this set did not already
         contain the specified element.</DL>
</DD>
</DL>
<HR>

<A NAME="canonicalize(java.lang.Object)"><!-- --></A><H3>
canonicalize</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>canonicalize</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</PRE>
<DL>
<DD>Returns an object equals to  if such an object already exist in this
 . Otherwise, adds  to this .
 This method is equivalents to the following code:

 <blockquote><pre>
 &nbsp;  if (object != null) {
 &nbsp;      Object current = get(object);
 &nbsp;      if (current != null) {
 &nbsp;          return current;
 &nbsp;      } else {
 &nbsp;          add(object);
 &nbsp;      }
 &nbsp;  }
 &nbsp;  return object;
 </pre></blockquote>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="canonicalize(java.lang.Object[])"><!-- --></A><H3>
canonicalize</H3>
<PRE>
public void <B>canonicalize</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[]&nbsp;objects)</PRE>
<DL>
<DD>Iteratively call <A HREF="../../../org/geotools/util/WeakHashSet.html#canonicalize(java.lang.Object)"><CODE>canonicalize(Object)</CODE></A> for an array of objects.
 This method is equivalents to the following code:

 <blockquote><pre>
 &nbsp;  for (int i=0; i<objects.length; i++) {
 &nbsp;      objects[i] = canonicalize(objects[i]);
 &nbsp;  }
 </pre></blockquote>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <B>clear</B>()</PRE>
<DL>
<DD>Removes all of the elements from this set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toArray()"><!-- --></A><H3>
toArray</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] <B>toArray</B>()</PRE>
<DL>
<DD>Returns a view of this set as an array. Elements will be in an arbitrary
 order. Note that this array contains strong reference.  Consequently, no
 object reclamation will occurs as long as a reference to this array is hold.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="iterator()"><!-- --></A><H3>
iterator</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>iterator</B>()</PRE>
<DL>
<DD>Returns an iterator over the elements contained in this collection.
 No element from this set will be garbage collected as long as a
 reference to the iterator is hold.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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