Example usage for org.hibernate IdentifierLoadAccess load

Introduction

In this page you can find the example usage for org.hibernate IdentifierLoadAccess load.

Prototype

T load(Serializable id);

Source Link

Document

Return the persistent instance with the given identifier, or null if there is no such persistent instance.

Usage

From source file:org.musicrecital.dao.hibernate.GenericDaoHibernate.java

License:Apache License

/**
 * {@inheritDoc}//from   w  ww. ja  v a  2s . c om
 */
@SuppressWarnings("unchecked")
public T get(PK id) {
    Session sess = getSession();
    IdentifierLoadAccess byId = sess.byId(persistentClass);
    T entity = (T) byId.load(id);

    if (entity == null) {
        log.warn("Uh oh, '" + this.persistentClass + "' object with id '" + id + "' not found...");
        throw new ObjectRetrievalFailureException(this.persistentClass, id);
    }

    return entity;
}

---

From source file:org.musicrecital.dao.hibernate.GenericDaoHibernate.java

License:Apache License

/**
 * {@inheritDoc}/* ww w .ja v a 2s . co  m*/
 */
@SuppressWarnings("unchecked")
public boolean exists(PK id) {
    Session sess = getSession();
    IdentifierLoadAccess byId = sess.byId(persistentClass);
    T entity = (T) byId.load(id);
    return entity != null;
}

---

From source file:org.musicrecital.dao.hibernate.GenericDaoHibernate.java

License:Apache License

/**
 * {@inheritDoc}//from w  w w  . jav  a  2  s. c  om
 */
public void remove(PK id) {
    Session sess = getSession();
    IdentifierLoadAccess byId = sess.byId(persistentClass);
    T entity = (T) byId.load(id);
    sess.delete(entity);
}

---

From source file:vn.vnpttech.ssdc.nms.xmpp.connector.dao.XmppGenericDaoImpl.java

License:Apache License

@Override
public T get(PK id) {
    Session session = getSession();//from  w  ww.  ja v a 2s .c o m
    Transaction tx = null;
    try {
        IdentifierLoadAccess byId = session.byId(persistentClass);
        T entity = (T) byId.load(id);
        return entity;
    } catch (Exception e) {
        if (tx != null) {
            tx.rollback();
        }
        e.printStackTrace();
        return null;
    } finally {
        session.close();
    }
}

---