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ServerMessage.java
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ServerMessage.java
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import java.io.Serializable;
public class ServerMessage implements Serializable {
private static final long serialVersionUID = 5950169519310163654L;
private int commitLSN;
private int transactionID;
private ResponseMethod responseMethod;
private RequestMethod requestMethod;
public enum ResponseMethod {
ASK_RESEND,
ACK;
public static ResponseMethod fromString (String method) {
if (method != null) {
for (ResponseMethod m : ResponseMethod.values()) {
if (method.equalsIgnoreCase(m.name())) return m;
}
}
throw new IllegalArgumentException(String.format("Invalid method (%s) provided", method));
}
}
public enum RequestMethod {
SYNC,
COMMIT;
public static RequestMethod fromString (String method) {
if (method != null) {
for (RequestMethod m : RequestMethod.values()) {
if (method.equalsIgnoreCase(m.name())) return m;
}
}
throw new IllegalArgumentException(String.format("Invalid method (%s) provided", method));
}
}
public ServerMessage (RequestMethod request, int LSN) {
requestMethod = request;
commitLSN = LSN;
}
public ServerMessage (ResponseMethod response, int LSN) {
responseMethod = response;
commitLSN = LSN;
}
public RequestMethod getRequestMethod () {
return requestMethod;
}
public ResponseMethod getResponseMethod () {
return responseMethod;
}
public void setResponseMethod (ResponseMethod method) {
responseMethod = method;
}
public int getTransactionID () {
return transactionID;
}
public void setRequestMethod (RequestMethod method) {
requestMethod = method;
}
public int getCommitLSN () {
return commitLSN;
}
}