// ----------------------------------------------------------------------
class axi_transaction extends uvm_sequence_item;
    // Declare AXI transaction fields
    rand axi_transaction_type_t txn_type; // Transaction type (read/write)
    rand bit [31:0] addr; // Address
    rand bit [31:0] data; // Data
    rand bit [3:0]  strb; // Byte enable

    `uvm_object_utils_begin(axi_transaction)
        `uvm_field_enum(axi_transaction_type_t, txn_type, UVM_DEFAULT)
        `uvm_field_int(addr, UVM_DEFAULT)
        `uvm_field_int(data, UVM_DEFAULT)
        `uvm_field_int(strb, UVM_DEFAULT)
    `uvm_object_utils_end

    // Constructor
    function new(string name = "axi_transaction");
        super.new(name);
    endfunction

    // Copy method for cloning
    virtual function uvm_object clone();
        axi_transaction copy;
        copy = axi_transaction::type_id::create(get_name());
        copy.txn_type = this.txn_type;
        copy.addr = this.addr;
        copy.data = this.data;
        copy.strb = this.strb;
        return copy;
    endfunction

    // Comparison method for checking equality
    virtual function bit compare(uvm_object rhs);
        axi_transaction other;
        if (!$cast(other, rhs)) return 0; // Ensure type match
        return (this.txn_type == other.txn_type) &&
               (this.addr == other.addr) &&
               (this.data == other.data) &&
               (this.strb == other.strb);
    endfunction

endclass : axi_transaction