package envoy.server.processors;
import java.io.IOException;
import envoy.data.IDGenerator;
import envoy.event.IDGeneratorRequest;
import envoy.server.data.ConfigItem;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ObjectWriteProxy;
/**
* Project: envoy-server-standalone
* File: IDGeneratorRequestProcessor.java
* Created: 28 Jan 2020
*
* @author Kai S. K. Engelbart
* @author Maximilian Käfer
* @since Envoy Server Standalone v0.1-alpha
*/
public class IDGeneratorRequestProcessor implements ObjectProcessor {
private static final long ID_RANGE = 200;
@Override
public Class getInputClass() { return IDGeneratorRequest.class; }
@Override
public void process(IDGeneratorRequest input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
writeProxy.write(socketID, createIDGenerator());
}
/**
* @return a new IDGenerator
* @since Envoy Server Standalone v0.1-beta
*/
public static IDGenerator createIDGenerator() { return createIDGenerator(ID_RANGE); }
/**
* @param range of IDs used by the new IDGenerator
* @return a new IDGenerator with a specific range of IDs
* @since Envoy Server Standalone v0.1-beta
*/
public static IDGenerator createIDGenerator(long range) {
ConfigItem currentID = PersistenceManager.getInstance().getConfigItemByID("currentMessageId");
IDGenerator generator = new IDGenerator(Integer.parseInt(currentID.getValue()), range);
currentID.setValue(String.valueOf(Integer.parseInt(currentID.getValue()) + range));
PersistenceManager.getInstance().updateConfigItem(currentID);
return generator;
}
}