srdicache.html

jxta的api库

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<B>Method Detail</B></FONT></TD>
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<A NAME="getMaxSize()"><!-- --></A><H3>
getMaxSize</H3>
<PRE>
public long <B>getMaxSize</B>()</PRE>
<DL>
<DD>returns the maxSize of the SrdiCache object
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The maxSize value</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxSize(long)"><!-- --></A><H3>
setMaxSize</H3>
<PRE>
public long <B>setMaxSize</B>(long&nbsp;maxSize)</PRE>
<DL>
<DD>Sets the maxSize of the SrdiCache object
  only in the condition where maxSize is > size of the cache
  in other words we can't shrink it past the size
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>maxSize</CODE> - new size
<DT><B>Returns:</B><DD>new maxSize, if maxSize is less < size, this.maxSize is not 
                  modified.</DL>
</DD>
</DL>
<HR>

<A NAME="getSize()"><!-- --></A><H3>
getSize</H3>
<PRE>
public long <B>getSize</B>()</PRE>
<DL>
<DD>Gets the size attribute of the SrdiCache object
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The number of entries in cache</DL>
</DD>
</DL>
<HR>

<A NAME="getPrimaryKeys()"><!-- --></A><H3>
getPrimaryKeys</H3>
<PRE>
public java.util.Enumeration <B>getPrimaryKeys</B>()</PRE>
<DL>
<DD>return all primary keys
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Enumeration of primary keys</DL>
</DD>
</DL>
<HR>

<A NAME="getSecondaryKeys(java.lang.String)"><!-- --></A><H3>
getSecondaryKeys</H3>
<PRE>
public java.util.Enumeration <B>getSecondaryKeys</B>(java.lang.String&nbsp;primaryKey)</PRE>
<DL>
<DD>return all primary keys
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Enumeration of secondary keys</DL>
</DD>
</DL>
<HR>

<A NAME="getEntries(java.lang.String, java.lang.String)"><!-- --></A><H3>
getEntries</H3>
<PRE>
public java.util.Enumeration <B>getEntries</B>(java.lang.String&nbsp;primaryKey,
                                        java.lang.String&nbsp;secondaryKey)</PRE>
<DL>
<DD>return all entries of primary, and secondary keys
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Enumeration of Entries</DL>
</DD>
</DL>
<HR>

<A NAME="add(java.lang.String, java.lang.String, java.lang.String, java.lang.Object, long, boolean)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(java.lang.String&nbsp;primaryKey,
                java.lang.String&nbsp;attribute,
                java.lang.String&nbsp;value,
                java.lang.Object&nbsp;path,
                long&nbsp;expiration,
                boolean&nbsp;sticky)</PRE>
<DL>
<DD>add a cache entry
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attribute</CODE> - Attribute String to query on<DD><CODE>value</CODE> - value of the attribute string<DD><CODE>path</CODE> - in a specific path, if null specified search in all
      paths<DD><CODE>expiration</CODE> - expiration associated with this entry
                     relative time in milliseconds</DL>
</DD>
</DL>
<HR>

<A NAME="containsKey(java.lang.String, java.lang.String)"><!-- --></A><H3>
containsKey</H3>
<PRE>
public boolean <B>containsKey</B>(java.lang.String&nbsp;primaryKey,
                           java.lang.String&nbsp;secondaryKey)</PRE>
<DL>
<DD>Determines whether this object is caching a particular key
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>primaryKey</CODE> - primary key to search for<DD><CODE>secondaryKey</CODE> - secondardy key to search for.
<DT><B>Returns:</B><DD>true if the object is caching key</DL>
</DD>
</DL>
<HR>

<A NAME="remove(java.lang.Object)"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>(java.lang.Object&nbsp;path)</PRE>
<DL>
<DD>remove a file entry from cache
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - relative path</DL>
</DD>
</DL>
<HR>

<A NAME="query(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
query</H3>
<PRE>
public java.util.Enumeration <B>query</B>(java.lang.String&nbsp;primaryKey,
                                   java.lang.String&nbsp;attribute,
                                   java.lang.String&nbsp;value)</PRE>
<DL>
<DD>Query the cache
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attribute</CODE> - Attribute String to query on<DD><CODE>value</CODE> - value of the attribute string
<DT><B>Returns:</B><DD>an enumeration of canonical paths</DL>
</DD>
</DL>
<HR>

<A NAME="purge(int)"><!-- --></A><H3>
purge</H3>
<PRE>
public void <B>purge</B>(int&nbsp;fraction)</PRE>
<DL>
<DD>Purges some of the cache.
 The entries are cleaned-up properly.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fraction</CODE> - Description of the Parameter</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <B>clear</B>()</PRE>
<DL>
<DD>Empties the cache completely.
 The entries are abandonned to the GC.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="garbageCollect()"><!-- --></A><H3>
garbageCollect</H3>
<PRE>
public void <B>garbageCollect</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeKey(java.lang.String, java.lang.String)"><!-- --></A><H3>
removeKey</H3>
<PRE>
public void <B>removeKey</B>(java.lang.String&nbsp;primaryKey,
                      java.lang.String&nbsp;secondaryKey)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="stop()"><!-- --></A><H3>
stop</H3>
<PRE>
public void <B>stop</B>()</PRE>
<DL>
<DD>stop the current running thread
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="run()"><!-- --></A><H3>
run</H3>
<PRE>
public void <B>run</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>run</CODE> in interface <CODE>java.lang.Runnable</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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