Example usage for javax.persistence EntityManager isJoinedToTransaction

Introduction

In this page you can find the example usage for javax.persistence EntityManager isJoinedToTransaction.

Prototype

public boolean isJoinedToTransaction();

Source Link

Document

Determine whether the entity manager is joined to the current transaction.

Usage

From source file:com.github.fharms.camel.entitymanager.CamelEntityManagerHandler.java

private <T> T createEntityManagerProxy(Class<T> interfaceClass, Object emProxy) {
    InvocationHandler handler = (proxy, method, args) -> {

        EntityManager em = entityManagerLocal.get() != null ? entityManagerLocal.get()
                : (EntityManager) emProxy;
        switch (method.getName()) {
        case "hashCode":
            return hashCode();
        case "equals":
            return (em == args[0]);
        case "toString":
            return "Camel EntityManager proxy [" + em.toString() + "]";
        }/*from  w  ww .  j  a  v  a 2s  .  co m*/

        if (!em.isJoinedToTransaction()) {
            em.joinTransaction();
        }
        return method.invoke(em, args);
    };
    return (T) Proxy.newProxyInstance(interfaceClass.getClassLoader(), new Class[] { interfaceClass }, handler);
}

---