/*
* INESC-ID, Instituto de Engenharia de Sistemas e Computadores Investigação e Desevolvimento em Lisboa
* Copyright 2013 INESC-ID and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3.0 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.remoting.responses;
import org.infinispan.remoting.rpc.ResponseFilter;
import org.infinispan.remoting.transport.Address;
import java.util.Collection;
/**
* // TODO: Document this
*
* @author Pedro Ruivo
* @since 5.2
*/
public class KeyValidationFilter implements ResponseFilter {
private final Collection<Object> keysNeededValidation;
private final Address localAddress;
private boolean exception;
private boolean selfDelivered;
public KeyValidationFilter(Collection<Object> keysNeededValidation, Address localAddress) {
this.keysNeededValidation = keysNeededValidation;
this.localAddress = localAddress;
this.exception = false;
this.selfDelivered = false;
}
@Override
public boolean isAcceptable(Response response, Address sender) {
if (response instanceof ExceptionResponse) {
exception = true;
} else if (response instanceof SuccessfulResponse) {
Object retVal = ((SuccessfulResponse) response).getResponseValue();
if (retVal instanceof Collection<?>) {
keysNeededValidation.removeAll((Collection<?>) retVal);
}
} else if (localAddress.equals(sender)) {
selfDelivered = true;
}
return true;
}
@Override
public boolean needMoreResponses() {
return !selfDelivered || (!keysNeededValidation.isEmpty() && !exception);
}
}