320 lines
8.8 KiB
Plaintext
320 lines
8.8 KiB
Plaintext
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<%--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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--%>
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<%@ page import="java.util.HashMap" %>
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<%@ page import="java.util.List" %>
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<%@ page import="java.util.Iterator" %>
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<%@ page import="org.apache.jcs.admin.*" %>
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<%@ page import="org.apache.jcs.*" %>
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<jsp:useBean id="jcsBean" scope="request" class="org.apache.jcs.admin.JCSAdminBean" />
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<html>
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<head>
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<SCRIPT LANGUAGE="Javascript">
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function decision( message, url )
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{
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if( confirm(message) )
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{
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location.href = url;
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}
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}
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</SCRIPT>
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<title> JCS Admin Servlet </title>
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</head>
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<body>
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<%
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String CACHE_NAME_PARAM = "cacheName";
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String ACTION_PARAM = "action";
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String CLEAR_ALL_REGIONS_ACTION = "clearAllRegions";
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String CLEAR_REGION_ACTION = "clearRegion";
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String REMOVE_ACTION = "remove";
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String DETAIL_ACTION = "detail";
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String REGION_SUMMARY_ACTION = "regionSummary";
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String ITEM_ACTION = "item";
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String KEY_PARAM = "key";
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String SILENT_PARAM = "silent";
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String DEFAULT_TEMPLATE_NAME = "DEFAULT";
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String REGION_DETAIL_TEMPLATE_NAME = "DETAIL";
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String ITEM_TEMPLATE_NAME = "ITEM";
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String REGION_SUMMARY_TEMPLATE_NAME = "SUMMARY";
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String templateName = DEFAULT_TEMPLATE_NAME;
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HashMap context = new HashMap();
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// Get cacheName for actions from request (might be null)
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String cacheName = request.getParameter( CACHE_NAME_PARAM );
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if ( cacheName != null )
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{
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cacheName = cacheName.trim();
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}
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// If an action was provided, handle it
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String action = request.getParameter( ACTION_PARAM );
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if ( action != null )
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{
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if ( action.equals( CLEAR_ALL_REGIONS_ACTION ) )
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{
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jcsBean.clearAllRegions();
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}
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else if ( action.equals( CLEAR_REGION_ACTION ) )
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{
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if ( cacheName == null )
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{
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// Not Allowed
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}
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else
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{
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jcsBean.clearRegion( cacheName );
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}
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}
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else if ( action.equals( REMOVE_ACTION ) )
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{
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String[] keys = request.getParameterValues( KEY_PARAM );
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for ( int i = 0; i < keys.length; i++ )
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{
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jcsBean.removeItem( cacheName, keys[ i ] );
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}
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templateName = REGION_DETAIL_TEMPLATE_NAME;
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}
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else if ( action.equals( DETAIL_ACTION ) )
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{
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templateName = REGION_DETAIL_TEMPLATE_NAME;
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}
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else if ( action.equals( ITEM_ACTION ) )
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{
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templateName = ITEM_TEMPLATE_NAME;
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}
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else if ( action.equals( REGION_SUMMARY_ACTION ) )
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{
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templateName = REGION_SUMMARY_TEMPLATE_NAME;
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}
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}
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if ( request.getParameter( SILENT_PARAM ) != null )
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{
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// If silent parameter was passed, no output should be produced.
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//return null;
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}
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else
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{
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// Populate the context based on the template
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if ( templateName == REGION_DETAIL_TEMPLATE_NAME )
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{
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//context.put( "cacheName", cacheName );
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context.put( "elementInfoRecords", jcsBean.buildElementInfo( cacheName ) );
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}
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else if ( templateName == DEFAULT_TEMPLATE_NAME )
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{
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context.put( "cacheInfoRecords", jcsBean.buildCacheInfo() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////
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//handle display
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if ( templateName == ITEM_TEMPLATE_NAME )
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{
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String key = request.getParameter( KEY_PARAM );
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if ( key != null )
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{
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key = key.trim();
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}
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JCS cache = JCS.getInstance( cacheName );
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org.apache.jcs.engine.behavior.ICacheElement element = cache.getCacheElement( key );
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%>
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<h1> Item for key [<%=key%>] in region [<%=cacheName%>] </h1>
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<a href="JCSAdmin.jsp?action=detail&cacheName=<%=cacheName%>">Region Detail</a>
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| <a href="JCSAdmin.jsp">All Regions</a>
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<pre>
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<%=element%>
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</pre>
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<%
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}
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else
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if ( templateName == REGION_SUMMARY_TEMPLATE_NAME )
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{
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%>
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<h1> Summary for region [<%=cacheName%>] </h1>
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<a href="JCSAdmin.jsp">All Regions</a>
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<%
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JCS cache = JCS.getInstance( cacheName );
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String stats = cache.getStats();
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%>
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<br>
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<b> Stats for region [<%=cacheName%>] </b>
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<pre>
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<%=stats%>
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</pre>
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<%
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}
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else
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if ( templateName == REGION_DETAIL_TEMPLATE_NAME )
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{
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%>
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<h1> Detail for region [<%=cacheName%>] </h1>
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<a href="JCSAdmin.jsp">All Regions</a>
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<table border="1" cellpadding="5" >
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<tr>
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<th> Key </th>
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<th> Eternal? </th>
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<th> Create time </th>
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<th> Max Life (s) </th>
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<th> Till Expiration (s) </th>
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</tr>
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<%
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List list = (List)context.get( "elementInfoRecords" );
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Iterator it = list.iterator();
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while ( it.hasNext() ) {
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CacheElementInfo element = (CacheElementInfo)it.next();
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%>
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<tr>
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<td> <%=element.getKey()%> </td>
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<td> <%=element.isEternal()%> </td>
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<td> <%=element.getCreateTime()%> </td>
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<td> <%=element.getMaxLifeSeconds()%> </td>
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<td> <%=element.getExpiresInSeconds()%> </td>
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<td>
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<a href="JCSAdmin.jsp?action=item&cacheName=<%=cacheName%>&key=<%=element.getKey()%>"> View </a>
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| <a href="JCSAdmin.jsp?action=remove&cacheName=<%=cacheName%>&key=<%=element.getKey()%>"> Remove </a>
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</td>
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</tr>
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<%
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}
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JCS cache = JCS.getInstance( cacheName );
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String stats = cache.getStats();
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%>
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</table>
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<br>
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<b> Stats for region [<%=cacheName%>] </b>
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<pre>
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<%=stats%>
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</pre>
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<%
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}
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else
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{
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%>
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<h1> Cache Regions </h1>
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<p>
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These are the regions which are currently defined in the cache. 'Items' and
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'Bytes' refer to the elements currently in memory (not spooled). You can clear
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all items for a region by selecting 'Remove all' next to the desired region
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below. You can also <a href="javascript:decision('Clicking OK will clear all the data from all regions!','JCSAdmin.jsp?action=clearAllRegions')">Clear all regions</a>
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which empties the entire cache.
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</p>
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<p>
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<form action="JCSAdmin.jsp">
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<input type="hidden" name="action" value="item">
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Retrieve (key) <input type="text" name="key">
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(region) <select name="cacheName">
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<%
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List listSelect = (List)context.get( "cacheInfoRecords" );
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Iterator itSelect = listSelect.iterator();
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while ( itSelect.hasNext() )
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{
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CacheRegionInfo record = (CacheRegionInfo)itSelect.next();
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%>
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<option value="<%=record.getCache().getCacheName()%>"><%=record.getCache().getCacheName()%></option>
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<%
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}
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%>
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</select>
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<input type="submit">
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</form>
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</p>
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<table border="1" cellpadding="5" >
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<tr>
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<th> Cache Name </th>
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<th> Items </th>
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<th> Bytes </th>
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<th> Status </th>
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<th> Memory Hits </th>
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<th> Aux Hits </th>
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<th> Not Found Misses </th>
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<th> Expired Misses </th>
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</tr>
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<%
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List list = (List)context.get( "cacheInfoRecords" );
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Iterator it = list.iterator();
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while (it.hasNext() )
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{
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CacheRegionInfo record = (CacheRegionInfo)it.next();
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%>
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<tr>
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<td> <%=record.getCache().getCacheName()%> </td>
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<td> <%=record.getCache().getSize()%> </td>
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<td> <%=record.getByteCount()%> </td>
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<td> <%=record.getStatus()%> </td>
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<td> <%=record.getCache().getHitCountRam()%> </td>
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<td> <%=record.getCache().getHitCountAux()%> </td>
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<td> <%=record.getCache().getMissCountNotFound()%> </td>
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<td> <%=record.getCache().getMissCountExpired()%> </td>
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<td>
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<a href="JCSAdmin.jsp?action=regionSummary&cacheName=<%=record.getCache().getCacheName()%>"> Summary </a>
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| <a href="JCSAdmin.jsp?action=detail&cacheName=<%=record.getCache().getCacheName()%>"> Detail </a>
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| <a href="javascript:decision('Clicking OK will remove all the data from the region [<%=record.getCache().getCacheName()%>]!','JCSAdmin.jsp?action=clearRegion&cacheName=<%=record.getCache().getCacheName()%>')"> Clear </a>
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</td>
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</tr>
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<%
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}
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%>
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</table>
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<%
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}
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%>
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</body>
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</html>
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