Examples of org.hibernate.Query

org.hibernate.Query
An object-oriented representation of a Hibernate query. A Query instance is obtained by calling Session.createQuery(). This interface exposes some extra functionality beyond that provided by Session.iterate() and Session.find():
- a particular page of the result set may be selected by calling setMaxResults(), setFirstResult()
- named query parameters may be used
- the results may be returned as an instance of ScrollableResults
Named query parameters are tokens of the form :name in the query string. A value is bound to the integer parameter :foo by calling

setParameter("foo", foo, Hibernate.INTEGER);

for example. A name may appear multiple times in the query string.

JDBC-style ? parameters are also supported. To bind a value to a JDBC-style parameter use a set method that accepts an int positional argument (numbered from zero, contrary to JDBC).

You may not mix and match JDBC-style parameters and named parameters in the same query.

Queries are executed by calling list(), scroll() or iterate(). A query may be re-executed by subsequent invocations. Its lifespan is, however, bounded by the lifespan of the Session that created it.

Implementors are not intended to be threadsafe. @see org.hibernate.Session#createQuery(java.lang.String) @see org.hibernate.ScrollableResults @author Gavin King

    return getSession().createQuery(hql).list();
  }


  @SuppressWarnings("unchecked")
  public <T> List<T> searchHQLQuery(String hql, Map<String, Object> params) {
    Query query = getSession().createQuery(hql);
    return QuerySupport.setParameter(query, params).list();
  }

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    return QuerySupport.setParameter(query, params).list();
  }


  @SuppressWarnings("unchecked")
  public <T> List<T> searchHQLQuery(String hql, Object... params) {
    Query query = getSession().createQuery(hql);
    return (List<T>) QuerySupport.setParameter(query, params).list();
  }

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    return (List<T>) QuerySupport.setParameter(query, params).list();
  }


  @SuppressWarnings("unchecked")
  public <T> List<T> searchHQLQuery(String hql, final Map<String, Object> params, boolean cacheable) {
    Query query = getSession().createQuery(hql);
    query.setCacheable(cacheable);
    return QuerySupport.setParameter(query, params).list();
  }

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    query.setCacheable(cacheable);
    return QuerySupport.setParameter(query, params).list();
  }


  public <T> Page<T> paginateNamedQuery(String queryName, Map<String, Object> params, PageLimit limit) {
    Query query = this.getSession().getNamedQuery(queryName);
    return paginateQuery(query, params, limit);
  }

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    Query query = this.getSession().getNamedQuery(queryName);
    return paginateQuery(query, params, limit);
  }


  public <T> Page<T> paginateHQLQuery(String hql, Map<String, Object> params, PageLimit limit) {
    Query query = this.getSession().createQuery(hql);
    return paginateQuery(query, params, limit);
  }

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  public void evict(Object entity) {
    getSession().evict(entity);
  }


  public int executeUpdateHql(final String queryStr, final Object... argument) {
    Query query = getSession().createQuery(queryStr);
    return QuerySupport.setParameter(query, argument).executeUpdate();
  }

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    Query query = getSession().createQuery(queryStr);
    return QuerySupport.setParameter(query, argument).executeUpdate();
  }


  public int executeUpdateHqlRepeatly(final String queryStr, final List<Object[]> arguments) {
    Query query = getSession().createQuery(queryStr);
    int updated=0;
    for (Object[] params : arguments) {
      updated+= QuerySupport.setParameter(query, params).executeUpdate();
    }
    return updated;

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    }
    return updated;
  }


  public int executeUpdateHql(final String queryStr, final Map<String, Object> parameterMap) {
    Query query = getSession().createQuery(queryStr);
    return QuerySupport.setParameter(query, parameterMap).executeUpdate();
  }

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    Query query = getSession().createQuery(queryStr);
    return QuerySupport.setParameter(query, parameterMap).executeUpdate();
  }


  public int executeUpdateNamedQuery(final String queryName, final Map<String, Object> parameterMap) {
    Query query = getSession().getNamedQuery(queryName);
    return QuerySupport.setParameter(query, parameterMap).executeUpdate();
  }

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    Query query = getSession().getNamedQuery(queryName);
    return QuerySupport.setParameter(query, parameterMap).executeUpdate();
  }


  public int executeUpdateNamedQuery(final String queryName, final Object... arguments) {
    Query query = getSession().getNamedQuery(queryName);
    return QuerySupport.setParameter(query, arguments).executeUpdate();
  }

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