/*
* Copyright (c) 2008-2013, 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.cluster;
import com.hazelcast.instance.Node;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.AbstractOperation;
import com.hazelcast.spi.impl.NodeEngineImpl;
import java.io.IOException;
public class JoinCheckOperation extends AbstractOperation implements JoinOperation {
private JoinRequest joinRequest;
private JoinRequest response;
public JoinCheckOperation() {
}
public JoinCheckOperation(final JoinRequest joinRequest) {
this.joinRequest = joinRequest;
}
@Override
public void run() {
final ClusterServiceImpl service = getService();
final NodeEngineImpl nodeEngine = (NodeEngineImpl) getNodeEngine();
final Node node = nodeEngine.getNode();
boolean ok = false;
if (joinRequest != null && node.joined() && node.isActive()) {
try {
ok = service.validateJoinMessage(joinRequest);
} catch (Exception ignored) {
}
}
if (ok) {
response = node.createJoinRequest();
}
}
@Override
public boolean returnsResponse() {
return true;
}
@Override
public Object getResponse() {
return response;
}
@Override
protected void readInternal(final ObjectDataInput in) throws IOException {
joinRequest = new JoinRequest();
joinRequest.readData(in);
}
@Override
protected void writeInternal(final ObjectDataOutput out) throws IOException {
joinRequest.writeData(out);
}
}