blob: e9eea9b84ee4aa7442657f08d58ca5212bb2ac1e [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package accord.impl;
import accord.local.Command;
import accord.local.Command.TransientListener;
import accord.local.Listeners;
import accord.local.SafeCommand;
import accord.local.SaveStatus;
import accord.primitives.TxnId;
import static accord.local.Listeners.Immutable.EMPTY;
import static accord.local.Status.Durability.DurableOrInvalidated;
public class ErasedSafeCommand extends SafeCommand
{
final Command erased;
public ErasedSafeCommand(TxnId txnId)
{
super(txnId);
this.erased = new Command.Truncated(txnId, SaveStatus.Erased, DurableOrInvalidated, null, null, EMPTY, null, null);
}
@Override
public Command current()
{
return erased;
}
@Override
public void invalidate()
{
throw new UnsupportedOperationException();
}
@Override
public boolean invalidated()
{
return false;
}
@Override
public void addListener(Command.TransientListener listener)
{
throw new UnsupportedOperationException();
}
@Override
public boolean removeListener(Command.TransientListener listener)
{
throw new UnsupportedOperationException();
}
@Override
public Listeners<TransientListener> transientListeners()
{
return Listeners.EMPTY;
}
@Override
protected void set(Command command)
{
throw new UnsupportedOperationException();
}
}