org.apache.camel.component.jpa

Class QueryBuilder

java.lang.Object

org.apache.camel.component.jpa.QueryBuilder

All Implemented Interfaces:

QueryFactory

public abstract class QueryBuilder
extends Object
implements QueryFactory

A builder of query expressions

Version:

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	QueryBuilder.ParameterBuilder A plugin strategy to populate the query with parameters

Constructor Summary

Constructors

Constructor and Description
QueryBuilder()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	checkNoParametersConfigured()
javax.persistence.Query	createQuery(javax.persistence.EntityManager entityManager) Creates a new query to find objects to be processed
protected String	getParameterDescription()
protected abstract javax.persistence.Query	makeQueryObject(javax.persistence.EntityManager entityManager)
static QueryBuilder	namedQuery(String namedQuery) Creates a named query
static QueryBuilder	nativeQuery(String nativeQuery) Creates a native SQL query
static QueryBuilder	nativeQuery(String nativeQuery, Class<?> resultClass) Creates a native SQL query with a provided resultClass
QueryBuilder	parameters(Collection<?> parameters) Specifies the parameters to the query as an ordered collection of parameters
QueryBuilder	parameters(Map<String,Object> parameterMap) Specifies the parameters to the query as a Map of key/value pairs
QueryBuilder	parameters(Object... parameters) Specifies the parameters to the query
protected void	populateQuery(javax.persistence.EntityManager entityManager, javax.persistence.Query query)
static QueryBuilder	query(String query) Creates a query builder using the JPA query syntax

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryBuilder

public QueryBuilder()

Method Detail

query

public static QueryBuilder query(String query)

Creates a query builder using the JPA query syntax

Parameters:

query - JPA query language to create

Returns:

a query builder

namedQuery

public static QueryBuilder namedQuery(String namedQuery)

Creates a named query

nativeQuery

public static QueryBuilder nativeQuery(String nativeQuery)

Creates a native SQL query

nativeQuery

public static QueryBuilder nativeQuery(String nativeQuery,
                       Class<?> resultClass)

Creates a native SQL query with a provided resultClass

parameters

public QueryBuilder parameters(Object... parameters)

Specifies the parameters to the query

Parameters:

parameters - the parameters to be configured on the query

Returns:

this query builder

parameters

public QueryBuilder parameters(Collection<?> parameters)

Specifies the parameters to the query as an ordered collection of parameters

Parameters:

parameters - the parameters to be configured on the query

Returns:

this query builder

parameters

public QueryBuilder parameters(Map<String,Object> parameterMap)

Specifies the parameters to the query as a Map of key/value pairs

Parameters:

parameterMap - the parameters to be configured on the query

Returns:

this query builder

checkNoParametersConfigured

protected void checkNoParametersConfigured()

createQuery

public javax.persistence.Query createQuery(javax.persistence.EntityManager entityManager)

Description copied from interface: QueryFactory

Creates a new query to find objects to be processed

Specified by:

createQuery in interface QueryFactory

Returns:

the query configured with any parameters etc

getParameterDescription

protected String getParameterDescription()

populateQuery

protected void populateQuery(javax.persistence.EntityManager entityManager,
                 javax.persistence.Query query)

makeQueryObject

protected abstract javax.persistence.Query makeQueryObject(javax.persistence.EntityManager entityManager)