com.hazelcast.cp.internal.raft.impl.handler.AbstractResponseHandlerTask Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.cp.internal.raft.impl.handler;
import com.hazelcast.cp.internal.raft.impl.RaftEndpoint;
import com.hazelcast.cp.internal.raft.impl.RaftNodeImpl;
import com.hazelcast.cp.internal.raft.impl.task.RaftNodeStatusAwareTask;
/**
* Base class for response handler tasks.
* Subclasses must implement {@link #handleResponse()}.
*
* If {@link #sender()} is not a known member, then response is ignored.
*/
public abstract class AbstractResponseHandlerTask extends RaftNodeStatusAwareTask {
AbstractResponseHandlerTask(RaftNodeImpl raftNode) {
super(raftNode);
}
@Override
protected final void innerRun() {
RaftEndpoint sender = sender();
if (!raftNode.state().isKnownMember(sender)) {
logger.warning("Won't run, since " + sender + " is unknown to us");
return;
}
handleResponse();
}
protected abstract void handleResponse();
protected abstract RaftEndpoint sender();
}