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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceInternal;
final class LocatorTable
{
LocatorTable()
{
}
synchronized void
clear()
{
_adapterEndpointsTable.clear();
_objectTable.clear();
}
synchronized IceInternal.EndpointI[]
getAdapterEndpoints(String adapter, int ttl)
{
if(ttl == 0) // Locator cache disabled.
{
return null;
}
EndpointTableEntry entry = (EndpointTableEntry)_adapterEndpointsTable.get(adapter);
if(entry != null && checkTTL(entry.time, ttl))
{
return entry.endpoints;
}
return null;
}
synchronized void
addAdapterEndpoints(String adapter, IceInternal.EndpointI[] endpoints)
{
_adapterEndpointsTable.put(adapter, new EndpointTableEntry(System.currentTimeMillis(), endpoints));
}
synchronized IceInternal.EndpointI[]
removeAdapterEndpoints(String adapter)
{
EndpointTableEntry entry = (EndpointTableEntry)_adapterEndpointsTable.remove(adapter);
return entry != null ? entry.endpoints : null;
}
synchronized Ice.ObjectPrx
getProxy(Ice.Identity id, int ttl)
{
if(ttl == 0) // Locator cache disabled.
{
return null;
}
ProxyTableEntry entry = (ProxyTableEntry)_objectTable.get(id);
if(entry != null && checkTTL(entry.time, ttl))
{
return entry.proxy;
}
return null;
}
synchronized void
addProxy(Ice.Identity id, Ice.ObjectPrx proxy)
{
_objectTable.put(id, new ProxyTableEntry(System.currentTimeMillis(), proxy));
}
synchronized Ice.ObjectPrx
removeProxy(Ice.Identity id)
{
ProxyTableEntry entry = (ProxyTableEntry)_objectTable.remove(id);
return entry != null ? entry.proxy : null;
}
private boolean
checkTTL(long time, int ttl)
{
assert(ttl != 0);
if(ttl < 0) // TTL = infinite
{
return true;
}
else
{
return System.currentTimeMillis() - time <= ((long)ttl * 1000);
}
}
private static final class EndpointTableEntry
{
public EndpointTableEntry(long time, IceInternal.EndpointI[] endpoints)
{
this.time = time;
this.endpoints = endpoints;
}
final public long time;
final public IceInternal.EndpointI[] endpoints;
};
private static final class ProxyTableEntry
{
public ProxyTableEntry(long time, Ice.ObjectPrx proxy)
{
this.time = time;
this.proxy = proxy;
}
final public long time;
final public Ice.ObjectPrx proxy;
};
private java.util.HashMap _adapterEndpointsTable = new java.util.HashMap();
private java.util.HashMap _objectTable = new java.util.HashMap();
}
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