protected synchronized AbstractProxy getAvailableProxy(String owner) {
if (this.proxy.acquireLock(owner)) {
return proxy;
} else {
Iterator iter = this.alternateProxies.iterator();
while (iter.hasNext()) {
AbstractProxy alternateProxy = (AbstractProxy) iter.next();
if (alternateProxy.acquireLock(owner)) {
return alternateProxy;
}
}
if (this.alternateProxies.size() == maxProxies) {
Logger.defaultLogger()
.error(
"Maximum number of proxies ("
+ maxProxies
+ ") reached - Unable to create another proxy",
"getAvailableProxy");
Logger.defaultLogger().info("Main Proxy : " + this.proxy.getOwnerId());
Iterator piter = this.alternateProxies.iterator();
while (piter.hasNext()) {
AbstractProxy px = (AbstractProxy) piter.next();
Logger.defaultLogger().info("Alternate Proxy : " + px.getOwnerId());
}
return null;
} else {
Logger.defaultLogger()
.info(
"Creating a new proxy on "
+ this.proxy.toString()
+ " : "
+ +(this.alternateProxies.size() + 1)
+ " th.");
AbstractProxy newProxy = this.proxy.cloneProxy();
newProxy.acquireLock(owner);
this.alternateProxies.add(newProxy);
return newProxy;
}
}
}
