org.lazydog.repository.jpa.internal
Class CriteriaImpl<T>

java.lang.Object
  org.lazydog.repository.jpa.internal.CriteriaImpl<T>

All Implemented Interfaces:

Serializable, Criteria<T>

public class CriteriaImpl<T>
extends Object
implements Criteria<T>, Serializable

Criteria implemented using the Java Persistence API.

Author:

Ron Rickard

See Also:

Serialized Form

Constructor Summary

CriteriaImpl(Class<T> entityClass)
Constructor.

Method Summary

Criteria<T>	add(Criterion criterion) Add a restriction criterion.
Criteria<T>	add(List<Criterion> criterions) Add restriction criterions.
Criteria<T>	addJoin(Criterion criterion) Add a join criterion.
Criteria<T>	addJoins(List<Criterion> criterions) Add join criterions.
Criteria<T>	addOrder(Criterion criterion) Add a order criterion.
Criteria<T>	addOrders(List<Criterion> criterions) Add order criterions.
Map<Object,String>	getQueryHints() Get the query hints.
String	getQueryLanguageString() Get the query language string.
Map<String,Object>	getQueryParameters() Get the query parameters.
boolean	joinExists() Check if a join criterion exists.
boolean	orderExists() Check if a order criterion exists.
boolean	restrictionExists() Check if a restriction criterion exists.

Methods inherited from class java.lang.Object

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

Constructor Detail

CriteriaImpl

public CriteriaImpl(Class<T> entityClass)

Constructor.

Parameters:

entityClass - the entity class.

Throws:

IllegalArgumentException - if the entity class is invalid.

Method Detail

add

public Criteria<T> add(Criterion criterion)

Add a restriction criterion.

Specified by:

add in interface Criteria<T>

Parameters:

criterion - the restriction criterion.

Returns:

the criteria.

add

public Criteria<T> add(List<Criterion> criterions)

Add restriction criterions.

Specified by:

add in interface Criteria<T>

Parameters:

criterions - the restriction criterions.

Returns:

the criteria.

addJoin

public Criteria<T> addJoin(Criterion criterion)

Add a join criterion.

Parameters:

criterion - the join criterion.

Returns:

the criteria.

addJoins

public Criteria<T> addJoins(List<Criterion> criterions)

Add join criterions.

Parameters:

criterions - the join criterions.

Returns:

the criteria.

addOrder

public Criteria<T> addOrder(Criterion criterion)

Add a order criterion.

Specified by:

addOrder in interface Criteria<T>

Parameters:

criterion - the order criterion.

Returns:

the criteria.

addOrders

public Criteria<T> addOrders(List<Criterion> criterions)

Add order criterions.

Specified by:

addOrders in interface Criteria<T>

Parameters:

criterions - the order criterions.

Returns:

the criteria.

getQueryHints

public Map<Object,String> getQueryHints()

Get the query hints.

Returns:

the query hints.

getQueryLanguageString

public String getQueryLanguageString()

Get the query language string.

Returns:

the query language string.

getQueryParameters

public Map<String,Object> getQueryParameters()

Get the query parameters.

Returns:

the query parameters.

joinExists

public boolean joinExists()

Check if a join criterion exists.

Returns:

true if a join criterion exists, otherwise false.

orderExists

public boolean orderExists()

Check if a order criterion exists.

Specified by:

orderExists in interface Criteria<T>

Returns:

true if a order criterion exists, otherwise false.

restrictionExists

public boolean restrictionExists()

Check if a restriction criterion exists.

Specified by:

restrictionExists in interface Criteria<T>

Returns:

true if a restriction criterion exists, otherwise false.