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CacheMap now has an optional Logger instance to which

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cache rotation messages are logged.
This commit is contained in:
hns 2001-08-31 15:43:31 +00:00
parent 858f5abdbe
commit a3074265e4
1 changed files with 9 additions and 1 deletions
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10
src/helma/util/CacheMap.java
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@ -60,6 +60,9 @@ public class CacheMap {
private HashMap oldTable; private HashMap oldTable;
private HashMap newTable; private HashMap newTable;
// the logger to output messages to
private Logger logger = null;
/// Constructs a new, empty hashtable with the specified initial /// Constructs a new, empty hashtable with the specified initial
// capacity and the specified load factor. // capacity and the specified load factor.
// Unlike a plain Hashtable, an LruHashtable will never grow or // Unlike a plain Hashtable, an LruHashtable will never grow or
@ -184,7 +187,8 @@ public class CacheMap {
else { else {
if (newTable.size() >= eachCapacity) { if (newTable.size() >= eachCapacity) {
// Rotate the tables. // Rotate the tables.
helma.main.Server.getLogger().log ("Rotating Cache tables at "+newTable.size()+"/"+oldTable.size()+" (new/old)"); if (logger != null)
logger.log ("Rotating Cache tables at "+newTable.size()+"/"+oldTable.size()+" (new/old)");
oldTable = newTable; oldTable = newTable;
newTable = new HashMap (eachCapacity, loadFactor); newTable = new HashMap (eachCapacity, loadFactor);
} }
@ -209,6 +213,10 @@ public class CacheMap {
oldTable.clear (); oldTable.clear ();
} }
/// Set the logger to use for debug and profiling output
public void setLogger (Logger log) {
this.logger = log;
}
public synchronized Object[] getEntryArray () { public synchronized Object[] getEntryArray () {
Object[] k1 = newTable.keySet().toArray(); Object[] k1 = newTable.keySet().toArray();