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Mass_parse: Add separate ifexists cache

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gnosygnu
2016-12-15 14:08:38 -05:00
parent 38f5f6de7c
commit 2f3a3a7a16
2 changed files with 51 additions and 16 deletions
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44
400_xowa/src/gplx/xowa/wikis/caches/Xow_page_cache.java
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@@ -20,6 +20,7 @@ public class Xow_page_cache {
private final Object thread_lock = new Object();
private final Xowe_wiki wiki;
private final Ordered_hash cache = Ordered_hash_.New_bry(); // NOTE: wiki titles are not case-sensitive when ns is "1st-letter" (EX: w:earth an w:Earth); in these cases, two entries will be stored
private final Hash_adp ifexists_cache = Hash_adp_bry.cs();
private final List_adp deleted = List_adp_.New();
private Xow_page_cache_wkr load_wkr;
public Xow_page_cache(Xowe_wiki wiki) {this.wiki = wiki;}
@@ -29,6 +30,45 @@ public class Xow_page_cache {
Xow_page_cache_itm rv = Get_or_load_as_itm(ttl);
return rv == null ? null : rv.Wtxt__direct();
}
public boolean Get_ifexist_by_mem(byte[] ifexists_key) {
Xow_page_cache_itm ifexists_itm = (Xow_page_cache_itm)ifexists_cache.Get_by(ifexists_key);
if (ifexists_itm == Xow_page_cache_itm.Missing)
return false;
else if (ifexists_itm != null)
return true;
// check page_cache
ifexists_itm = (Xow_page_cache_itm)cache.Get_by(ifexists_key);
if (ifexists_itm == Xow_page_cache_itm.Missing)
return false;
else if (ifexists_itm != null)
return true;
return false;
}
public boolean Load_ifexist(Xoa_ttl ttl) {
// check ifexists_cache
byte[] ifexists_key = ttl.Full_db();
Xow_page_cache_itm ifexists_itm = null;
// do load
if (load_wkr != null) {
// load_wkr
byte[] page_text = load_wkr.Get_page_or_null(ifexists_key);
ifexists_itm = page_text == null ? Xow_page_cache_itm.Missing : new Xow_page_cache_itm(false, ttl, Bry_.Empty, Bry_.Empty);
}
else {
// page_tbl
gplx.xowa.wikis.data.tbls.Xowd_page_itm page_itm = new gplx.xowa.wikis.data.tbls.Xowd_page_itm();
wiki.Db_mgr().Load_mgr().Load_by_ttl(page_itm, ttl.Ns(), ttl.Page_db());
// wiki.Data__core_mgr().Db__core().Tbl__page().Select_by_ttl(page_itm, ttl);
ifexists_itm = page_itm.Exists() ? new Xow_page_cache_itm(false, ttl, Bry_.Empty, Bry_.Empty) : Xow_page_cache_itm.Missing;
}
// add to ifexists_cache only (not page_cache)
ifexists_cache.Add(ifexists_key, ifexists_itm);
return ifexists_itm != Xow_page_cache_itm.Missing;
}
public void Add(byte[] ttl_full_db, Xow_page_cache_itm itm) {
cache.Add(ttl_full_db, itm);
}
@@ -97,8 +137,10 @@ public class Xow_page_cache {
}
public void Free_mem(boolean clear_permanent_itms) {
synchronized (thread_lock) { // LOCK:app-level; DATE:2016-07-06
if (clear_permanent_itms)
if (clear_permanent_itms) {
cache.Clear();
ifexists_cache.Clear();
}
else {
int len = cache.Count();
for (int i = 0; i < len; i++) {