LaiyamAlgol

This is simulated Lai yam Algorithm in Java for taking snapshot. This code will support n number of processors and n number of events

Intent

This Algorithm has been developed to show the working of it without using any RPC.

Requirements

requirement for building the code

• JDK 1.8
• Maven 3.6.3
• OS not constraint provided you install above for your OS

requirement for running the code

• JRE 1.8
• OS not constraint provided you install above for your OS

Commands to build code

To build the Jar file use the following commands

mvn clean
mvn package

You will find the Jar file in your target folder command to execute the jar

java -jar laiyang-2.0.jar

Limitations

• Reset of the global state after all the Processes have turned red is not implemented because the one who executes this code will know the final state of the algorithm

ResetSnapshot.init().reset();

The implementation of reset is done in the ResetSnapshot class and if you want you can uncomment the reset line if you are looking to reset the processes when they all turn red

• The input argument / values entered check is not done so Program will fail if invalid data type is entered.

Instruction

Make sure you follow the instruction while entering the input data Please pay attention while entering the data for the below value

"Enter the transit time of the Event and enter the time delay after which event should be launched"

• Transit time is the time you want your Event to be in transit in the channel

• Launch time is the time after which the event should be launched

  note : The events are launched sequentially after the wait time.

Sample Execution

================Starting Lai Yam=================
Enter the number of processes : 
2
Enter the intial value for Processor 1
1000
enter the number of events including snapshot
3
enter 1 if it is send event else it will be considered snapshot
1
Enter the amount which needs to be transferred to the destination processor
300
Enter the Destination Processor number
2
Enter the transit time of the Event and enter the time delay after which event should be launched
3000
2000
enter 1 if it is send event else it will be considered snapshot
0
This Event is a Snapshot initiator marking 
the Snapshot name is processor12
Enter the time after which the snapshot initiator needs to be there
2000
enter 1 if it is send event else it will be considered snapshot
1
Enter the amount which needs to be transferred to the destination processor

200
Enter the Destination Processor number
2
Enter the transit time of the Event and enter the time delay after which event should be launched
4000
5000
Enter the intial value for Processor 2
1000
enter the number of events including snapshot
2
enter 1 if it is send event else it will be considered snapshot
1
Enter the amount which needs to be transferred to the destination processor
100
Enter the Destination Processor number
1
Enter the transit time of the Event and enter the time delay after which event should be launched
5000
5000
enter 1 if it is send event else it will be considered snapshot
1
Enter the amount which needs to be transferred to the destination processor
1
Enter the Destination Processor number
1
Enter the transit time of the Event and enter the time delay after which event should be launched
2000
2200
The channel amount from source process processor1 to destination process processor2 is 300
THIS IS THE SNAPSHOT OF THE PROCESSOR  of the processor :processor1
Processor : processor1
Current color : RED
Current amount : 700
The channel amount from source process processor2 to destination process processor1 is 100
the event has reached the destination process : processor2
Processor : processor2
Current color : WHITE
Current amount : 1200
The channel amount from source process processor2 to destination process processor1 is 1
The channel amount from source process processor1 to destination process processor2 is 200
the event has reached the destination process : processor1
Processor : processor1
Current color : RED
Current amount : 501
the event has reached the destination process : processor1
Processor : processor1
Current color : RED
Current amount : 601
the event has reached the destination process : processor2
THIS IS THE SNAPSHOT OF THE PROCESSOR  of the processor on receiving red in processor2
Processor : processor2
Current color : RED
Current amount : 1399
the final state of the Processors is : 
Processor : processor2
Current color : RED
Current amount : 1399
Processor : processor1
Current color : RED
Current amount : 601

Git hub link

https://github.com/joshskumar/LaiyamAlgol