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package nl.vpro.services.jpa;

import java.util.concurrent.Callable;
import java.util.function.*;

import javax.transaction.Transactional;

import org.checkerframework.checker.nullness.qual.NonNull;
import org.meeuw.functional.ThrowAnyRunnable;
import org.springframework.stereotype.Service;

import nl.vpro.services.TransactionService;

import static javax.transaction.Transactional.TxType.*;

@Service("jpaTransactionService")
public class JpaTransactionServiceImpl implements TransactionService {

    @Override
    @Transactional(value = REQUIRES_NEW, rollbackOn = {Exception.class})
    public  T executeInNewTransaction(@NonNull Callable callable) throws Exception {
        return callable.call();
    }

    @Override
    @Transactional(value = REQUIRES_NEW, rollbackOn = {Exception.class})
    public  T getInNewTransaction(@NonNull Supplier supplier) {
        return supplier.get();
    }

    @Override
    @Transactional(value = REQUIRED, rollbackOn = {Exception.class})
    public  T getInTransaction(@NonNull Supplier supplier) {
        return supplier.get();
    }

    @Override
    @Transactional(REQUIRES_NEW)
    public void executeInNewTransaction(@NonNull Runnable runnable) {
        runnable.run();
    }

    @Override
    @Transactional(REQUIRES_NEW)
    public  T executeInNewTransaction(S argument, @NonNull Function function) {
        return function.apply(argument);
    }

    @Override
    @Transactional(REQUIRES_NEW)
    public  void executeInNewTransaction(T argument, @NonNull Consumer consumer) {
        consumer.accept(argument);

    }


    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public  T executeInReadonlyTransaction(@NonNull Callable callable) throws Exception {
        return callable.call();
    }

    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public  T getInReadonlyTransaction(@NonNull Supplier supplier) {
        return supplier.get();
    }

    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public void executeInReadonlyTransaction(@NonNull ThrowAnyRunnable runnable) {
        runnable.run();
    }

    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public void executeInReadonlyTransaction(@NonNull Runnable runnable) {
        runnable.run();
    }

    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public  T executeInReadonlyTransaction(S argument, @NonNull Function function) {
        return function.apply(argument);

    }

    @Override
    @org.springframework.transaction.annotation.Transactional(readOnly = true)
    public  void executeInReadonlyTransaction(T argument, @NonNull Consumer consumer) {
        consumer.accept(argument);
    }

    @Override
    @Transactional(NEVER)
    public void ensureNoTransaction() {

    }

}