HW-09-Advanced-Multithreading/src/main/java/dev/banking/processor/TransactionProcessor.java

package dev.banking.processor;

import dev.banking.model.*;

import java.util.Map;

public class TransactionProcessor {

    private final Map<Integer, BankAccount> accounts;

    public TransactionProcessor(
            Map<Integer, BankAccount> accounts
    ) {
        this.accounts = accounts;
    }

    public void process(Transaction tx) {

        BankAccount source =
                accounts.get(tx.getSourceAccountId());

        switch (tx.getType()) {

            case DEPOSIT -> {
                source.deposit(tx.getAmount());
            }

            case WITHDRAW -> {
                source.withdraw(tx.getAmount());
            }

            case TRANSFER -> {

                BankAccount target =
                        accounts.get(tx.getTargetAccountId());

                source.transfer(
                        target,
                        tx.getAmount()
                );
            }
        }
    }
}