Solidity-006 EnumContract

pragma solidity ^0.8.9; 

// This is a Solidity smart contract that demonstrates the use of an enumeration (enum) called VMStatus.
contract EnumExample {
    
    // Enum definition for different VM (Virtual Machine) statuses.
    enum VMStatus {
        CREATED,     // The VM has been created but not approved.
        APPROVED,    // The VM has been approved for provisioning.
        PROVISIONED, // The VM has been provisioned and is ready for use.
        REJECTED,    // The VM request has been rejected.
        DELETED      // The VM has been deleted.
    }
    
    // The current status of the Virtual Machine.
    VMStatus status;

    // Default status choice when no specific choice is set.
    VMStatus defaultChoice = VMStatus.REJECTED;

    // Function to set the status to CREATED.
    function setCreated() public {
        status = VMStatus.CREATED;
    }

    // Function to set the status to APPROVED.
    function setApproved() public {
        status = VMStatus.APPROVED;
    }

    // Function to set the status to PROVISIONED.
    function setProvisioned() public {
        status = VMStatus.PROVISIONED;
    }

    // Function to set the status to REJECTED.
    function setRejected() public {
        status = VMStatus.REJECTED;
    }

    // Function to set the status to DELETED.
    function setDeleted() public {
        status = VMStatus.DELETED;
    }

    // Function to retrieve the current VM status.
    function getChoice() public view returns (VMStatus) {
        return status;
    }

    // Function to retrieve the default VM status as an integer representation.
    function getDefaultChoice() public view returns (uint) {
        return uint(defaultChoice);
    }
}
 

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