com.mysema.query.jpa.impl.JPAQuery Maven / Gradle / Ivy
/*
* Copyright (c) 2010 Mysema Ltd.
* All rights reserved.
*
*/
package com.mysema.query.jpa.impl;
import javax.persistence.EntityManager;
import com.mysema.query.DefaultQueryMetadata;
import com.mysema.query.QueryMetadata;
import com.mysema.query.jpa.JPQLQuery;
import com.mysema.query.jpa.HQLTemplates;
import com.mysema.query.jpa.JPQLTemplates;
/**
* JPAQuery is the default implementation of the JPQLQuery interface for JPA
*
* @author tiwe
*
*/
public final class JPAQuery extends AbstractJPAQuery implements JPQLQuery{
/**
* Creates a new detached query
* The query can be attached via the clone method
*/
public JPAQuery(){
super(new NoSessionHolder(), HQLTemplates.DEFAULT, new DefaultQueryMetadata());
}
/**
* Creates a new EntityManager bound query
*
* @param entityManager
*/
public JPAQuery(EntityManager entityManager) {
super(new DefaultSessionHolder(entityManager), HQLTemplates.DEFAULT, new DefaultQueryMetadata());
}
/**
* Creates a new EntityManager bound query
*
* @param entityManager
*/
public JPAQuery(EntityManager entityManager, QueryMetadata metadata) {
super(new DefaultSessionHolder(entityManager), HQLTemplates.DEFAULT, metadata);
}
/**
* Creates a new query
*
* @param entityManager
* @param patterns
*/
public JPAQuery(EntityManager entityManager, JPQLTemplates patterns) {
super(new DefaultSessionHolder(entityManager), patterns, new DefaultQueryMetadata());
}
/**
* Creates a new query
*
* @param session
* @param templates
* @param metadata
*/
protected JPAQuery(JPASessionHolder session, JPQLTemplates templates, QueryMetadata metadata) {
super(session, templates, metadata);
}
/**
* Clone the state of this query to a new JPAQuery instance with the given EntityManager
*
* @param entityManager
* @return
*/
public JPAQuery clone(EntityManager entityManager){
return new JPAQuery(new DefaultSessionHolder(entityManager), getTemplates(), getMetadata().clone());
}
}