cacheutils.jsp

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· JSP 代码 · 共 173 行

<%
/**
 *    $RCSfile: cacheUtils.jsp,v $
 *    $Revision: 1.7 $
 *    $Date: 2002/08/09 21:35:10 $
 */
%>

<%@ page import="java.util.*,
                 java.text.*,
                 com.jivesoftware.util.*,
                 com.jivesoftware.forum.*,
                 com.jivesoftware.forum.database.*,
                 com.jivesoftware.forum.util.*,
                 com.tangosol.net.*"
%>

<%! // global variables

    // variable for the VM memory monitor box:
    static final int NUM_BLOCKS = 50;

    // Cache size preset definitions:
    static final int CACHE_PRESET_SMALL = 0;
    static final int CACHE_PRESET_MEDIUM = 1;
    static final int CACHE_PRESET_LARGE = 2;
    static final int CACHE_PRESET_CUSTOM = 3;

    // Cache size preset names:
	static final String[] CACHE_PRESET_NAMES = {
		"Small",
		"Medium",
		"Large",
		"Custom"
	};

    // Cache size preset descriptions:
	static final String[] CACHE_PRESET_DESCRIPTIONS = {
		"Suitable for workgroups or small to medium communities. (Approx 4 MB total cache)",
		"Suitable for medium to large communities. (17 MB total cache)",
		"Suitable for very large communities on servers with a lot of memory. (65 MB total cache)",
		"Use this option to be able to edit each of the cache sizes below."
	};
%>

<%  // Get a db forum factory instance:
    DbForumFactory dbForumFactory = DbForumFactory.getInstance();

    // Get a cache manager:
    DatabaseCacheManager cacheManager = dbForumFactory.getCacheManager();

    int numCaches = 11; // all caches
    if (!cacheManager.isShortTermQueryCacheEnabled()) {
        // don't show the query cache unless it is enabled:
        numCaches = 10;
    }

    // Various cache arrays
    int[][] cachePresetSizes = null;
    Cache[] caches = null;
    String[] names = null;

    if (cacheManager.isShortTermQueryCacheEnabled() && isEnt) {
        // Preset mem sizes (in bytes):
        //     SMALL      MEDIUM      LARGE
        cachePresetSizes = new int[][] {
            {  256*1024,  512*1024,  1024*1024 },  /* Category */
            {  512*1024, 1024*1024,  5120*1024 },  /* Forum */
            {  512*1024, 3072*1024, 10240*1024 },  /* Thread */
            { 1152*1024, 8192*1024, 32768*1024 },  /* Message */
            {  512*1024, 1024*1024,  2048*1024 },  /* Category Query */
            {  128*1024,  256*1024,   512*1024 },  /* Short Term Query */
            {  512*1024, 1024*1024,  6144*1024 },  /* User */
            {  256*1024,  768*1024,  4608*1024 },  /* User Permissions */
            {  128*1024,  256*1024,   512*1024 },  /* Group */
            {   16*1024,   32*1024,    64*1024 },  /* Group Membership */
            {  128*1024,  256*1024,   512*1024 }   /* Watches */
        };
        // Get a list of caches:
        caches = new Cache[] {
            cacheManager.categoryCache,
            cacheManager.forumCache,
            cacheManager.threadCache,
            cacheManager.messageCache,
            cacheManager.queryCache,
            cacheManager.shortTermQueryCache,
            cacheManager.userCache,
            cacheManager.userPermsCache,
            cacheManager.groupCache,
            cacheManager.groupMemberCache,
            cacheManager.watchCache
        };
        // Get a list of caches:
        names = new String[] {
            "categoryCache",
            "forumCache",
            "threadCache",
            "messageCache",
            "queryCache",
            "shortTermQueryCache",
            "userCache",
            "userPermsCache",
            "groupCache",
            "groupMemberCache",
            "watchCache"
        };
    }
    else {
        // Preset mem sizes (in bytes):
        //     SMALL      MEDIUM      LARGE
        cachePresetSizes = new int[][] {
            {  256*1024,  512*1024,  1024*1024 },  /* Category */
            {  512*1024, 1024*1024,  5120*1024 },  /* Forum */
            {  512*1024, 3072*1024, 10240*1024 },  /* Thread */
            { 1152*1024, 8192*1024, 32768*1024 },  /* Message */
            {  512*1024, 1024*1024,  2048*1024 },  /* Category Query */
            {  512*1024, 1024*1024,  6144*1024 },  /* User */
            {  256*1024,  768*1024,  4608*1024 },  /* User Permissions */
            {  128*1024,  256*1024,   512*1024 },  /* Group */
            {   16*1024,   32*1024,    64*1024 },  /* Group Membership */
            {  128*1024,  256*1024,   512*1024 }   /* Watches */
        };
        // Get a list of caches:
        caches = new Cache[] {
            cacheManager.categoryCache,
            cacheManager.forumCache,
            cacheManager.threadCache,
            cacheManager.messageCache,
            cacheManager.queryCache,
            cacheManager.userCache,
            cacheManager.userPermsCache,
            cacheManager.groupCache,
            cacheManager.groupMemberCache,
            cacheManager.watchCache
        };
        // Get a list of caches:
        names = new String[] {
            "categoryCache",
            "forumCache",
            "threadCache",
            "messageCache",
            "queryCache",
            "userCache",
            "userPermsCache",
            "groupCache",
            "groupMemberCache",
            "watchCache"
        };
    }

    // List of the cache names
    String[] cacheNames = new String[caches.length];
    for (int i=0; i<caches.length; i++) {
        cacheNames[i] = caches[i].getName();
    }

    // decimal formatter for cache values
    DecimalFormat mbFormat = new DecimalFormat("#0.00");
    DecimalFormat kFormat = new DecimalFormat("#");
    DecimalFormat percentFormat = new DecimalFormat("#0.0");
%>

<%!

    static boolean isEnt = false;
    static {
        try {
            LicenseManager.validateLicense("Jive Forums Enterprise","2.0");
            isEnt = true;
        }
        catch (Exception ignored) {}
    }
%>