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/*******************************************************************************
* Copyright (c) 2008 - 2017 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Lukas Jungmann - Java Persistence 2.2
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.util.List;
import java.util.Date;
import java.util.Calendar;
import java.util.stream.Stream;
/**
* Interface used to control the execution of typed queries.
* @param <X> query result type
*
* @see Query
* @see Parameter
*
* @since Java Persistence 2.0
*/
public interface TypedQuery<X> extends Query {
/**
* Execute a SELECT query and return the query results
* as a typed List.
* @return a list of the results
* @throws IllegalStateException if called for a Java
* Persistence query language UPDATE or DELETE statement
* @throws QueryTimeoutException if the query execution exceeds
* the query timeout value set and only the statement is
* rolled back
* @throws TransactionRequiredException if a lock mode other than
* <code>NONE</code> has been set and there is no transaction
* or the persistence context has not been joined to the
* transaction
* @throws PessimisticLockException if pessimistic locking
* fails and the transaction is rolled back
* @throws LockTimeoutException if pessimistic locking
* fails and only the statement is rolled back
* @throws PersistenceException if the query execution exceeds
* the query timeout value set and the transaction
* is rolled back
*/
List<X> getResultList();
/**
* Execute a SELECT query and return the query results
* as a typed <code>java.util.stream.Stream</code>.
* By default this method delegates to <code>getResultList().stream()</code>,
* however persistence provider may choose to override this method
* to provide additional capabilities.
*
* @return a stream of the results
* @throws IllegalStateException if called for a Java
* Persistence query language UPDATE or DELETE statement
* @throws QueryTimeoutException if the query execution exceeds
* the query timeout value set and only the statement is
* rolled back
* @throws TransactionRequiredException if a lock mode other than
* <code>NONE</code> has been set and there is no transaction
* or the persistence context has not been joined to the transaction
* @throws PessimisticLockException if pessimistic locking
* fails and the transaction is rolled back
* @throws LockTimeoutException if pessimistic locking
* fails and only the statement is rolled back
* @throws PersistenceException if the query execution exceeds
* the query timeout value set and the transaction
* is rolled back
* @see Stream
* @see #getResultList()
* @since 2.2
*/
default Stream<X> getResultStream() {
return getResultList().stream();
}
/**
* Execute a SELECT query that returns a single result.
* @return the result
* @throws NoResultException if there is no result
* @throws NonUniqueResultException if more than one result
* @throws IllegalStateException if called for a Java
* Persistence query language UPDATE or DELETE statement
* @throws QueryTimeoutException if the query execution exceeds
* the query timeout value set and only the statement is
* rolled back
* @throws TransactionRequiredException if a lock mode other than
* <code>NONE</code> has been set and there is no transaction
* or the persistence context has not been joined to the
* transaction
* @throws PessimisticLockException if pessimistic locking
* fails and the transaction is rolled back
* @throws LockTimeoutException if pessimistic locking
* fails and only the statement is rolled back
* @throws PersistenceException if the query execution exceeds
* the query timeout value set and the transaction
* is rolled back
*/
X getSingleResult();
/**
* Set the maximum number of results to retrieve.
* @param maxResult maximum number of results to retrieve
* @return the same query instance
* @throws IllegalArgumentException if the argument is negative
*/
TypedQuery<X> setMaxResults(int maxResult);
/**
* Set the position of the first result to retrieve.
* @param startPosition position of the first result,
* numbered from 0
* @return the same query instance
* @throws IllegalArgumentException if the argument is negative
*/
TypedQuery<X> setFirstResult(int startPosition);
/**
* Set a query property or hint. The hints elements may be used
* to specify query properties and hints. Properties defined by
* this specification must be observed by the provider.
* Vendor-specific hints that are not recognized by a provider
* must be silently ignored. Portable applications should not
* rely on the standard timeout hint. Depending on the database
* in use and the locking mechanisms used by the provider,
* this hint may or may not be observed.
* @param hintName name of property or hint
* @param value value for the property or hint
* @return the same query instance
* @throws IllegalArgumentException if the second argument is not
* valid for the implementation
*/
TypedQuery<X> setHint(String hintName, Object value);
/**
* Bind the value of a <code>Parameter</code> object.
* @param param parameter object
* @param value parameter value
* @return the same query instance
* @throws IllegalArgumentException if the parameter
* does not correspond to a parameter of the
* query
*/
<T> TypedQuery<X> setParameter(Parameter<T> param, T value);
/**
* Bind an instance of <code>java.util.Calendar</code> to a <code>Parameter</code> object.
* @param param parameter object
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if the parameter does not
* correspond to a parameter of the query
*/
TypedQuery<X> setParameter(Parameter<Calendar> param,
Calendar value,
TemporalType temporalType);
/**
* Bind an instance of <code>java.util.Date</code> to a <code>Parameter</code> object.
* @param param parameter object
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if the parameter does not
* correspond to a parameter of the query
*/
TypedQuery<X> setParameter(Parameter<Date> param, Date value,
TemporalType temporalType);
/**
* Bind an argument value to a named parameter.
* @param name parameter name
* @param value parameter value
* @return the same query instance
* @throws IllegalArgumentException if the parameter name does
* not correspond to a parameter of the query or if
* the argument is of incorrect type
*/
TypedQuery<X> setParameter(String name, Object value);
/**
* Bind an instance of <code>java.util.Calendar</code> to a named parameter.
* @param name parameter name
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if the parameter name does
* not correspond to a parameter of the query or if
* the value argument is of incorrect type
*/
TypedQuery<X> setParameter(String name, Calendar value,
TemporalType temporalType);
/**
* Bind an instance of <code>java.util.Date</code> to a named parameter.
* @param name parameter name
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if the parameter name does
* not correspond to a parameter of the query or if
* the value argument is of incorrect type
*/
TypedQuery<X> setParameter(String name, Date value,
TemporalType temporalType);
/**
* Bind an argument value to a positional parameter.
* @param position position
* @param value parameter value
* @return the same query instance
* @throws IllegalArgumentException if position does not
* correspond to a positional parameter of the
* query or if the argument is of incorrect type
*/
TypedQuery<X> setParameter(int position, Object value);
/**
* Bind an instance of <code>java.util.Calendar</code> to a positional
* parameter.
* @param position position
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if position does not
* correspond to a positional parameter of the query
* or if the value argument is of incorrect type
*/
TypedQuery<X> setParameter(int position, Calendar value,
TemporalType temporalType);
/**
* Bind an instance of <code>java.util.Date</code> to a positional parameter.
* @param position position
* @param value parameter value
* @param temporalType temporal type
* @return the same query instance
* @throws IllegalArgumentException if position does not
* correspond to a positional parameter of the query
* or if the value argument is of incorrect type
*/
TypedQuery<X> setParameter(int position, Date value,
TemporalType temporalType);
/**
* Set the flush mode type to be used for the query execution.
* The flush mode type applies to the query regardless of the
* flush mode type in use for the entity manager.
* @param flushMode flush mode
* @return the same query instance
*/
TypedQuery<X> setFlushMode(FlushModeType flushMode);
/**
* Set the lock mode type to be used for the query execution.
* @param lockMode lock mode
* @return the same query instance
* @throws IllegalStateException if the query is found not to
* be a Java Persistence query language SELECT query
* or a CriteriaQuery query
*/
TypedQuery<X> setLockMode(LockModeType lockMode);
}