package com.hazelcast.cluster.impl.operations;
import com.hazelcast.instance.Node;
import com.hazelcast.logging.ILogger;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.impl.NodeEngineImpl;
import java.io.IOException;
/**
* When a node wants to join the cluster, its sends its ConfigCheck to the cluster where it is validated.
* If the ConfigCheck fails, this operation is send to that node to trigger him to shutdown himself. This
* way he will not join the cluster.
*
* @see AuthenticationFailureOperation
*/
public class ConfigMismatchOperation extends AbstractClusterOperation
implements JoinOperation {
private String msg;
public ConfigMismatchOperation() {
}
public ConfigMismatchOperation(String msg) {
this.msg = msg;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(msg);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
msg = in.readUTF();
}
@Override
public void run() {
NodeEngineImpl nodeEngine = (NodeEngineImpl) getNodeEngine();
Node node = nodeEngine.getNode();
ILogger logger = nodeEngine.getLogger("com.hazelcast.cluster");
logger.severe("Node could not join cluster. A Configuration mismatch was detected: "
+ msg + " Node is going to shutdown now!");
node.shutdown(true);
}
}