org.shoal.adapter.store.commands.SimpleAckCommand Maven / Gradle / Ivy
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package org.shoal.adapter.store.commands;
import org.shoal.ha.cache.api.ShoalCacheLoggerConstants;
import org.shoal.ha.cache.impl.command.Command;
import org.shoal.ha.cache.impl.command.ReplicationCommandOpcode;
import org.shoal.ha.cache.impl.util.CommandResponse;
import org.shoal.ha.cache.impl.util.ReplicationInputStream;
import org.shoal.ha.cache.impl.util.ReplicationOutputStream;
import org.shoal.ha.cache.impl.util.ResponseMediator;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author Mahesh Kannan
*/
public class SimpleAckCommand
extends Command {
private static final Logger _logger = Logger.getLogger(ShoalCacheLoggerConstants.CACHE_LOAD_RESPONSE_COMMAND);
private long tokenId;
private String targetInstanceName;
private String respondingInstanceName;
public SimpleAckCommand() {
super(ReplicationCommandOpcode.SIMPLE_ACK_COMMAND);
}
public SimpleAckCommand(String targetInstanceName, long tokenId) {
this();
super.setKey("SimpleAck:" + tokenId);
this.targetInstanceName = targetInstanceName;
this.tokenId = tokenId;
}
private void writeObject(ObjectOutputStream ros)
throws IOException {
setTargetName(targetInstanceName);
ros.writeLong(tokenId);
ros.writeUTF(targetInstanceName);
ros.writeUTF(dsc.getInstanceName());
}
protected boolean beforeTransmit() {
super.setTargetName(targetInstanceName);
return targetInstanceName != null;
}
private void readObject(ObjectInputStream ris)
throws IOException {
tokenId = ris.readLong();
targetInstanceName = ris.readUTF();
respondingInstanceName = ris.readUTF();
}
@Override
public void execute(String initiator) {
ResponseMediator respMed = getDataStoreContext().getResponseMediator();
CommandResponse resp = respMed.getCommandResponse(tokenId);
if (resp != null) {
resp.setRespondingInstanceName(respondingInstanceName);
resp.setResult(true);
}
}
@Override
protected boolean isArtificialKey() {
return true;
}
public String toString() {
return getName() + "()";
}
}