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MapEntryParameter
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com.sleepycat.collections</FONT>
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Class MapEntryParameter</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.collections.MapEntryParameter</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.util.Map.Entry</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>MapEntryParameter</B><DT>extends java.lang.Object<DT>implements java.util.Map.Entry</DL>
</PRE>
<P>
A simple <code>Map.Entry</code> implementation that can be used as in
input parameter. Since a <code>MapEntryParameter</code> is not obtained
from a map, it is not attached to any map in particular. To emphasize that
changing this object does not change the map, the <A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#setValue(java.lang.Object)"><CODE>setValue(java.lang.Object)</CODE></A> method
always throws <code>UnsupportedOperationException</code>.
<p><b>Warning:</b> Use of this interface violates the Java Collections
interface contract since these state that <code>Map.Entry</code> objects
should only be obtained from <code>Map.entrySet()</code> sets, while this
class allows constructing them directly. However, it is useful for
performing operations on an entry set such as add(), contains(), etc. For
restrictions see <A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#getValue()"><CODE>getValue()</CODE></A> and <A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#setValue(java.lang.Object)"><CODE>setValue(java.lang.Object)</CODE></A>.</p>
<P>
<P>
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<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#MapEntryParameter(java.lang.Object, java.lang.Object)">MapEntryParameter</A></B>(java.lang.Object key,
java.lang.Object value)</CODE>
<BR>
Creates a map entry with a given key and value.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object other)</CODE>
<BR>
Compares this entry to a given entry as specified by <CODE>Map.Entry.equals(java.lang.Object)</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#getKey()">getKey</A></B>()</CODE>
<BR>
Returns the key of this entry.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#getValue()">getValue</A></B>()</CODE>
<BR>
Returns the value of this entry.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#hashCode()">hashCode</A></B>()</CODE>
<BR>
Computes a hash code as specified by <CODE>Map.Entry.hashCode()</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#setValue(java.lang.Object)">setValue</A></B>(java.lang.Object newValue)</CODE>
<BR>
Always throws <code>UnsupportedOperationException</code> since this
object is not attached to a map.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#toString()">toString</A></B>()</CODE>
<BR>
Converts the entry to a string representation for debugging.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
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<A NAME="MapEntryParameter(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
MapEntryParameter</H3>
<PRE>
public <B>MapEntryParameter</B>(java.lang.Object key,
java.lang.Object value)</PRE>
<DL>
<DD>Creates a map entry with a given key and value.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - is the key to use.<DD><CODE>value</CODE> - is the value to use.</DL>
</DL>
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<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Computes a hash code as specified by <CODE>Map.Entry.hashCode()</CODE>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>hashCode</CODE> in interface <CODE>java.util.Map.Entry</CODE><DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the computed hash code.</DL>
</DD>
</DL>
<HR>
<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object other)</PRE>
<DL>
<DD>Compares this entry to a given entry as specified by <CODE>Map.Entry.equals(java.lang.Object)</CODE>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>equals</CODE> in interface <CODE>java.util.Map.Entry</CODE><DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the computed hash code.</DL>
</DD>
</DL>
<HR>
<A NAME="getKey()"><!-- --></A><H3>
getKey</H3>
<PRE>
public final java.lang.Object <B>getKey</B>()</PRE>
<DL>
<DD>Returns the key of this entry.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getKey</CODE> in interface <CODE>java.util.Map.Entry</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the key of this entry.</DL>
</DD>
</DL>
<HR>
<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public final java.lang.Object <B>getValue</B>()</PRE>
<DL>
<DD>Returns the value of this entry. Note that this will be the value
passed to the constructor or the last value passed to <A HREF="../../../com/sleepycat/collections/MapEntryParameter.html#setValue(java.lang.Object)"><CODE>setValue(java.lang.Object)</CODE></A>.
It will not reflect changes made to a Map.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getValue</CODE> in interface <CODE>java.util.Map.Entry</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the value of this entry.</DL>
</DD>
</DL>
<HR>
<A NAME="setValue(java.lang.Object)"><!-- --></A><H3>
setValue</H3>
<PRE>
public java.lang.Object <B>setValue</B>(java.lang.Object newValue)</PRE>
<DL>
<DD>Always throws <code>UnsupportedOperationException</code> since this
object is not attached to a map.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>java.util.Map.Entry</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Converts the entry to a string representation for debugging.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the string representation.</DL>
</DD>
</DL>
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