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package com.sun.ejb.base.container.util;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.runtime.IASEjbExtraDescriptors;
import com.sun.enterprise.deployment.runtime.BeanCacheDescriptor;
import com.sun.enterprise.server.ServerContext;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.util.Utility;
import com.sun.logging.LogDomains;
/**
* A util class to read the bean cache related entries from
* domain.xml and sun-ejb-jar.xml
*
* @author Mahesh Kannan
*/
public class CacheProperties {
protected static final Logger _logger =
LogDomains.getLogger(LogDomains.EJB_LOGGER);
private int maxCacheSize ;
private int numberOfVictimsToSelect ;
private int cacheIdleTimeoutInSeconds ;
private int removalTimeoutInSeconds;
private String victimSelectionPolicy;
public CacheProperties(EjbDescriptor desc) {
try {
BeanCacheDescriptor beanCacheDes = null;
Config cfg = null;
IASEjbExtraDescriptors iased = desc.getIASEjbExtraDescriptors();
if( iased != null) {
beanCacheDes = iased.getBeanCache();
}
EjbContainer ejbContainer = null;
ServerContext sc = ApplicationServer.getServerContext();
cfg = ServerBeansFactory.getConfigBean(sc.getConfigContext());
ejbContainer = cfg.getEjbContainer();
loadProperties(ejbContainer, beanCacheDes);
//container.setMonitorOn(ejbContainer.isMonitoringEnabled());
} catch (ConfigException ex) {
_logger.log(Level.SEVERE, "", ex);
}
}
public int getMaxCacheSize() {
return this.maxCacheSize;
}
public int getNumberOfVictimsToSelect() {
return this.numberOfVictimsToSelect;
}
public int getCacheIdleTimeoutInSeconds() {
return this.cacheIdleTimeoutInSeconds;
}
public int getRemovalTimeoutInSeconds() {
return this.removalTimeoutInSeconds;
}
public String getVictimSelectionPolicy() {
return this.victimSelectionPolicy;
}
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append("maxSize: ").append(maxCacheSize)
.append("; victims: ").append(numberOfVictimsToSelect)
.append("; idleTimeout: ").append(cacheIdleTimeoutInSeconds)
.append("; removalTimeout: ").append(removalTimeoutInSeconds)
.append("; policy: ").append(victimSelectionPolicy);
return sbuf.toString();
}
private void loadProperties(EjbContainer ejbContainer,
BeanCacheDescriptor beanCacheDes)
{
numberOfVictimsToSelect =
new Integer(ejbContainer.getCacheResizeQuantity()).intValue();
maxCacheSize =
new Integer(ejbContainer.getMaxCacheSize()).intValue();
cacheIdleTimeoutInSeconds = new Integer(
ejbContainer.getCacheIdleTimeoutInSeconds()).intValue();
removalTimeoutInSeconds =
new Integer(ejbContainer.getRemovalTimeoutInSeconds()).intValue();
victimSelectionPolicy = ejbContainer.getVictimSelectionPolicy();
if (beanCacheDes != null) {
int temp = 0;
if ((temp = beanCacheDes.getResizeQuantity()) != -1) {
this.numberOfVictimsToSelect = temp;
}
if ((temp = beanCacheDes.getMaxCacheSize()) != -1) {
this.maxCacheSize = temp;
}
if ((temp = beanCacheDes.getCacheIdleTimeoutInSeconds()) != -1){
this.cacheIdleTimeoutInSeconds = temp;
}
if ((temp = beanCacheDes.getRemovalTimeoutInSeconds()) != -1) {
this.removalTimeoutInSeconds = temp;
}
if (( beanCacheDes.getVictimSelectionPolicy()) != null) {
this.victimSelectionPolicy =
beanCacheDes.getVictimSelectionPolicy();
}
}
}
}