org.openmrs.api.db.hibernate

Class JpaUtils

java.lang.Object

org.openmrs.api.db.hibernate.JpaUtils

public class JpaUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
JpaUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	getSingleResultOrNull(javax.persistence.Query query) Tries to get a single result from a JPA query, similar to Hibernate's uniqueResult.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JpaUtils

public JpaUtils()

Method Detail

getSingleResultOrNull

public static <T> T getSingleResultOrNull(javax.persistence.Query query)

Tries to get a single result from a JPA query, similar to Hibernate's uniqueResult. Returns null if no result is found, the single result if one result is found, and throws an exception if more than one result is found.

Type Parameters:

T - the type of the query result

Parameters:

query - the JPA query to execute

Returns:

the single result or null if no result is found

Throws:

javax.persistence.NonUniqueResultException - if more than one result is found