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// **********************************************************************
//
// Copyright (c) 2002
// Mutable Realms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
public class Client
{
private static void
test(boolean b)
{
if(!b)
{
throw new RuntimeException();
}
}
private static int
run(String[] args, Ice.Communicator communicator)
{
String ref = "factory:default -p 12345 -t 2000";
Ice.ObjectPrx base = communicator.stringToProxy(ref);
test(base != null);
Test.RemoteEvictorFactoryPrx factory = Test.RemoteEvictorFactoryPrxHelper.checkedCast(base);
//
// Test SaveUponEviction mode
//
{
System.out.print("testing SaveUponEviction mode... ");
System.out.flush();
final int size = 5;
Test.RemoteEvictorPrx evictor =
factory.createEvictor("saveUponEviction", Test.EvictorPersistenceMode.SaveUponEviction);
evictor.setSize(size);
//
// Create the same number of servants as the evictor size
// (i.e., don't exceed queue size). Servants should be
// saved immediately.
//
Test.ServantPrx[] servants = new Test.ServantPrx[size];
for(int i = 0; i < size; i++)
{
servants[i] = evictor.createServant(i);
test(evictor.getLastSavedValue() == i);
}
//
// Evict and verify values.
//
evictor.setSize(0);
evictor.setSize(size);
evictor.clearLastSavedValue();
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i);
}
//
// Mutate servants.
//
for(int i = 0; i < size; i++)
{
servants[i].setValue(i + 100);
}
//
// Servants should not be saved yet.
//
test(evictor.getLastSavedValue() == -1);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i + 100);
}
//
// Evict and verify values.
//
evictor.setSize(0);
evictor.setSize(size);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i + 100);
}
//
// Destroy servants and verify ObjectNotExistException.
//
for(int i = 0; i < size; i++)
{
servants[i].destroy();
try
{
servants[i].getValue();
test(false);
}
catch(Ice.ObjectNotExistException ex)
{
// Expected
}
}
//
// Allocate space for size+1 servants.
//
servants = new Test.ServantPrx[size + 1];
//
// Recreate servants.
//
for(int i = 0; i < size; i++)
{
servants[i] = evictor.createServant(i);
}
//
// Deactivate and recreate evictor, to ensure that servants
// are restored properly after database close and reopen.
//
evictor.deactivate();
evictor = factory.createEvictor("saveUponEviction", Test.EvictorPersistenceMode.SaveUponEviction);
evictor.setSize(size);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i);
}
//
// No servants should have been saved yet.
//
test(evictor.getLastSavedValue() == -1);
//
// Create new servant - should cause eviction.
//
servants[size] = evictor.createServant(size);
test(evictor.getLastSavedValue() == 0);
//
// Restore the evicted servant, which evicts another
// servant, and so on.
//
for(int i = 0; i <= size; i++)
{
test(servants[i].getValue() == i);
test(evictor.getLastSavedValue() == (i + 1) % (size + 1));
}
//
// Destroy new servant and verify eviction no longer occurs.
//
servants[size].destroy();
evictor.clearLastSavedValue();
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i);
}
test(evictor.getLastSavedValue() == -1);
//
// Clean up.
//
for(int i = 0; i < size; i++)
{
servants[i].destroy();
}
System.out.println("ok");
}
//
// Test SaveAfterMutatingOperation mode
//
{
System.out.print("testing SaveAfterMutatingOperation mode... ");
System.out.flush();
final int size = 5;
Test.RemoteEvictorPrx evictor =
factory.createEvictor("saveAfterMutatingOperation",
Test.EvictorPersistenceMode.SaveAfterMutatingOperation);
evictor.setSize(size);
//
// Create the same number of servants as the evictor size
// (i.e., don't exceed queue size). Servants should be
// saved immediately.
//
Test.ServantPrx[] servants = new Test.ServantPrx[size];
for(int i = 0; i < size; i++)
{
servants[i] = evictor.createServant(i);
test(evictor.getLastSavedValue() == i);
}
//
// Evict and verify values.
//
evictor.setSize(0);
evictor.setSize(size);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i);
}
//
// Mutate servants and verify they have been saved.
//
for(int i = 0; i < size; i++)
{
servants[i].setValue(i + 100);
test(evictor.getLastSavedValue() == i + 100);
}
//
// Evict and verify values.
//
evictor.setSize(0);
evictor.setSize(size);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i + 100);
}
//
// No servants should have been saved yet.
//
test(evictor.getLastSavedValue() == -1);
//
// Destroy servants and verify ObjectNotExistException.
//
for(int i = 0; i < size; i++)
{
servants[i].destroy();
try
{
servants[i].getValue();
test(false);
}
catch(Ice.ObjectNotExistException ex)
{
// Expected
}
}
//
// Allocate space for size+1 servants.
//
servants = new Test.ServantPrx[size + 1];
//
// Recreate servants.
//
for(int i = 0; i < size; i++)
{
servants[i] = evictor.createServant(i);
}
//
// Deactivate and recreate evictor, to ensure that servants
// are restored properly after database close and reopen.
//
evictor.deactivate();
evictor = factory.createEvictor("saveAfterMutatingOperation",
Test.EvictorPersistenceMode.SaveAfterMutatingOperation);
evictor.setSize(size);
for(int i = 0; i < size; i++)
{
test(servants[i].getValue() == i);
}
//
// No servants should have been saved yet.
//
test(evictor.getLastSavedValue() == -1);
//
// Create new servant - should cause eviction but no
// servants should be saved.
//
servants[size] = evictor.createServant(size);
test(evictor.getLastSavedValue() == size);
//
// Restore the evicted servant, which evicts another
// servant, and so on.
//
for(int i = 0; i <= size; i++)
{
test(servants[i].getValue() == i);
}
test(evictor.getLastSavedValue() == -1);
//
// Clean up.
//
for(int i = 0; i <= size; i++)
{
servants[i].destroy();
}
System.out.println("ok");
}
factory.shutdown();
return 0;
}
public static void
main(String[] args)
{
int status = 0;
Ice.Communicator communicator = null;
try
{
communicator = Ice.Util.initialize(args);
status = run(args, communicator);
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
status = 1;
}
if(communicator != null)
{
try
{
communicator.destroy();
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
status = 1;
}
}
System.exit(status);
}
}
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