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// **********************************************************************
//
// Copyright (c) 2003-2009 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 test.Freeze.evictor;
import test.Freeze.evictor.Test.*;
public class ServantI implements _ServantOperations
{
private static void
test(boolean b)
{
if(!b)
{
throw new RuntimeException();
}
}
static class DelayedResponse extends Thread
{
DelayedResponse(AMD_Servant_slowGetValue cb, int val)
{
_cb = cb;
_val = val;
}
public void
run()
{
try
{
sleep(500);
}
catch(InterruptedException e)
{
// Ignored
}
_cb.ice_response(_val);
}
private AMD_Servant_slowGetValue _cb;
private int _val;
}
ServantI(Servant tie)
{
_tie = tie;
}
ServantI(Servant tie, RemoteEvictorI remoteEvictor, Freeze.Evictor evictor, int value)
{
_tie = tie;
_remoteEvictor = remoteEvictor;
_evictor = evictor;
_tie.value = value;
}
void
init(RemoteEvictorI remoteEvictor, Freeze.Evictor evictor)
{
_remoteEvictor = remoteEvictor;
_evictor = evictor;
}
public void
destroy(Ice.Current current)
{
_evictor.remove(current.id);
//
// Need to remove the accounts as well!
//
if(_tie.accounts != null)
{
for(Ice.Identity id : _tie.accounts)
{
_evictor.remove(id);
}
}
}
public int
getValue(Ice.Current current)
{
synchronized(_tie)
{
return _tie.value;
}
}
public void
slowGetValue_async(AMD_Servant_slowGetValue cb, Ice.Current current)
{
synchronized(_tie)
{
Thread t = new DelayedResponse(cb, _tie.value);
t.setDaemon(true);
t.start();
}
}
public void
setValue(int value, Ice.Current current)
{
synchronized(_tie)
{
_tie.value = value;
}
}
public void
setValueAsync_async(AMD_Servant_setValueAsync __cb, int value, Ice.Current current)
{
synchronized(_tie)
{
_setValueAsyncCB = __cb;
_setValueAsyncValue = value;
_tie.notify();
}
}
public void
releaseAsync(Ice.Current current)
{
synchronized(_tie)
{
while(_setValueAsyncCB == null)
{
try
{
_tie.wait();
}
catch(InterruptedException ie)
{
break;
}
}
_tie.value = _setValueAsyncValue;
_setValueAsyncCB.ice_response();
_setValueAsyncCB = null;
}
}
public void
addFacet(String name, String data, Ice.Current current)
throws AlreadyRegisteredException
{
_FacetTie tie = new _FacetTie();
tie.ice_delegate(new FacetI(tie, _remoteEvictor, _evictor, 0, data));
try
{
_evictor.addFacet(tie, current.id, name);
}
catch(Ice.AlreadyRegisteredException ex)
{
throw new AlreadyRegisteredException();
}
}
public void
removeFacet(String name, Ice.Current current)
throws NotRegisteredException
{
try
{
_evictor.removeFacet(current.id, name);
}
catch(Ice.NotRegisteredException ex)
{
throw new NotRegisteredException();
}
}
public synchronized int
getTransientValue(Ice.Current current)
{
return _transientValue;
}
public synchronized void
setTransientValue(int val, Ice.Current current)
{
_transientValue = val;
}
public void
keepInCache(Ice.Current current)
{
Freeze.BackgroundSaveEvictor bse = (Freeze.BackgroundSaveEvictor)_evictor;
bse.keep(current.id);
}
public void
release(Ice.Current current)
throws NotRegisteredException
{
Freeze.BackgroundSaveEvictor bse = (Freeze.BackgroundSaveEvictor)_evictor;
try
{
bse.release(current.id);
}
catch(Ice.NotRegisteredException e)
{
throw new NotRegisteredException();
}
}
public AccountPrx[]
getAccounts(Ice.Current current)
{
Freeze.TransactionalEvictor te = (Freeze.TransactionalEvictor)_evictor;
if(te.getCurrentTransaction() != null)
{
if(_tie.accounts == null || _tie.accounts.length == 0)
{
_tie.accounts = new Ice.Identity[10];
for(int i = 0; i < _tie.accounts.length; ++i)
{
_tie.accounts[i] = new Ice.Identity(current.id.name + "-account#" + i, current.id.category);
_evictor.add(new AccountI(1000, te), _tie.accounts[i]);
}
}
else
{
te.getCurrentTransaction().rollback(); // not need to re-write this servant
}
}
if(_tie.accounts == null || _tie.accounts.length == 0)
{
return new AccountPrx[0];
}
AccountPrx[] result = new AccountPrx[_tie.accounts.length];
for(int i = 0; i < _tie.accounts.length; ++i)
{
result[i] = AccountPrxHelper.uncheckedCast(current.adapter.createProxy(_tie.accounts[i]));
}
return result;
}
public int
getTotalBalance(Ice.Current current)
{
AccountPrx[] accounts = getAccounts(current);
//
// Need to start a transaction to ensure a consistent result
//
Freeze.TransactionalEvictor te = (Freeze.TransactionalEvictor)_evictor;
for(;;)
{
test(te.getCurrentTransaction() == null);
Freeze.Connection con =
Freeze.Util.createConnection(current.adapter.getCommunicator(), _remoteEvictor.envName());
te.setCurrentTransaction(con.beginTransaction());
int total = 0;
try
{
for(AccountPrx account : accounts)
{
total += account.getBalance();
}
return total;
}
catch(Freeze.TransactionalEvictorDeadlockException e)
{
// retry
}
finally
{
con.close();
te.setCurrentTransaction(null);
}
}
}
protected RemoteEvictorI _remoteEvictor;
protected Freeze.Evictor _evictor;
protected AMD_Servant_setValueAsync _setValueAsyncCB;
protected int _setValueAsyncValue;
protected Servant _tie;
private int _transientValue = -1;
}
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