Package javax.persistence

Interface Query

    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method Description
      int executeUpdate()
      Execute an update or delete statement.
      int getFirstResult()
      The position of the first result the query object was set to retrieve.
      FlushModeType getFlushMode()
      Get the flush mode in effect for the query execution.
      java.util.Map<java.lang.String,​java.lang.Object> getHints()
      Get the properties and hints and associated values that are in effect for the query instance.
      LockModeType getLockMode()
      Get the current lock mode for the query.
      int getMaxResults()
      The maximum number of results the query object was set to retrieve.
      Parameter<?> getParameter​(int position)
      Get the parameter object corresponding to the declared positional parameter with the given position.
      <T> Parameter<T> getParameter​(int position, java.lang.Class<T> type)
      Get the parameter object corresponding to the declared positional parameter with the given position and type.
      Parameter<?> getParameter​(java.lang.String name)
      Get the parameter object corresponding to the declared parameter of the given name.
      <T> Parameter<T> getParameter​(java.lang.String name, java.lang.Class<T> type)
      Get the parameter object corresponding to the declared parameter of the given name and type.
      java.util.Set<Parameter<?>> getParameters()
      Get the parameter objects corresponding to the declared parameters of the query.
      java.lang.Object getParameterValue​(int position)
      Return the input value bound to the positional parameter.
      java.lang.Object getParameterValue​(java.lang.String name)
      Return the input value bound to the named parameter.
      <T> T getParameterValue​(Parameter<T> param)
      Return the input value bound to the parameter.
      java.util.List getResultList()
      Execute a SELECT query and return the query results as an untyped List.
      default java.util.stream.Stream getResultStream()
      Execute a SELECT query and return the query results as an untyped java.util.stream.Stream.
      java.lang.Object getSingleResult()
      Execute a SELECT query that returns a single untyped result.
      boolean isBound​(Parameter<?> param)
      Return a boolean indicating whether a value has been bound to the parameter.
      Query setFirstResult​(int startPosition)
      Set the position of the first result to retrieve.
      Query setFlushMode​(FlushModeType flushMode)
      Set the flush mode type to be used for the query execution.
      Query setHint​(java.lang.String hintName, java.lang.Object value)
      Set a query property or hint.
      Query setLockMode​(LockModeType lockMode)
      Set the lock mode type to be used for the query execution.
      Query setMaxResults​(int maxResult)
      Set the maximum number of results to retrieve.
      Query setParameter​(int position, java.lang.Object value)
      Bind an argument value to a positional parameter.
      Query setParameter​(int position, java.util.Calendar value, TemporalType temporalType)
      Bind an instance of java.util.Calendar to a positional parameter.
      Query setParameter​(int position, java.util.Date value, TemporalType temporalType)
      Bind an instance of java.util.Date to a positional parameter.
      Query setParameter​(java.lang.String name, java.lang.Object value)
      Bind an argument value to a named parameter.
      Query setParameter​(java.lang.String name, java.util.Calendar value, TemporalType temporalType)
      Bind an instance of java.util.Calendar to a named parameter.
      Query setParameter​(java.lang.String name, java.util.Date value, TemporalType temporalType)
      Bind an instance of java.util.Date to a named parameter.
      Query setParameter​(Parameter<java.util.Calendar> param, java.util.Calendar value, TemporalType temporalType)
      Bind an instance of java.util.Calendar to a Parameter object.
      Query setParameter​(Parameter<java.util.Date> param, java.util.Date value, TemporalType temporalType)
      Bind an instance of java.util.Date to a Parameter object.
      <T> Query setParameter​(Parameter<T> param, T value)
      Bind the value of a Parameter object.
      <T> T unwrap​(java.lang.Class<T> cls)
      Return an object of the specified type to allow access to the provider-specific API.

    • Method Detail

      • getResultList

        java.util.List getResultList()
        Execute a SELECT query and return the query results as an untyped List.
        Returns:
        a list of the results
        Throws:
        java.lang.IllegalStateException - if called for a Java Persistence query language UPDATE or DELETE statement
        QueryTimeoutException - if the query execution exceeds the query timeout value set and only the statement is rolled back
        TransactionRequiredException - if a lock mode other than NONE has been set and there is no transaction or the persistence context has not been joined to the transaction
        PessimisticLockException - if pessimistic locking fails and the transaction is rolled back
        LockTimeoutException - if pessimistic locking fails and only the statement is rolled back
        PersistenceException - if the query execution exceeds the query timeout value set and the transaction is rolled back

      • getResultStream

        default java.util.stream.Stream getResultStream()
        Execute a SELECT query and return the query results as an untyped java.util.stream.Stream. By default this method delegates to getResultList().stream(), however persistence provider may choose to override this method to provide additional capabilities.
        Returns:
        a stream of the results
        Throws:
        java.lang.IllegalStateException - if called for a Java Persistence query language UPDATE or DELETE statement
        QueryTimeoutException - if the query execution exceeds the query timeout value set and only the statement is rolled back
        TransactionRequiredException - if a lock mode other than NONE has been set and there is no transaction or the persistence context has not been joined to the transaction
        PessimisticLockException - if pessimistic locking fails and the transaction is rolled back
        LockTimeoutException - if pessimistic locking fails and only the statement is rolled back
        PersistenceException - if the query execution exceeds the query timeout value set and the transaction is rolled back
        See Also:
        Stream, getResultList()
        Since:
        2.2

      • getSingleResult

        java.lang.Object getSingleResult()
        Execute a SELECT query that returns a single untyped result.
        Returns:
        the result
        Throws:
        NoResultException - if there is no result
        NonUniqueResultException - if more than one result
        java.lang.IllegalStateException - if called for a Java Persistence query language UPDATE or DELETE statement
        QueryTimeoutException - if the query execution exceeds the query timeout value set and only the statement is rolled back
        TransactionRequiredException - if a lock mode other than NONE has been set and there is no transaction or the persistence context has not been joined to the transaction
        PessimisticLockException - if pessimistic locking fails and the transaction is rolled back
        LockTimeoutException - if pessimistic locking fails and only the statement is rolled back
        PersistenceException - if the query execution exceeds the query timeout value set and the transaction is rolled back

      • executeUpdate

        int executeUpdate()
        Execute an update or delete statement.
        Returns:
        the number of entities updated or deleted
        Throws:
        java.lang.IllegalStateException - if called for a Java Persistence query language SELECT statement or for a criteria query
        TransactionRequiredException - if there is no transaction or the persistence context has not been joined to the transaction
        QueryTimeoutException - if the statement execution exceeds the query timeout value set and only the statement is rolled back
        PersistenceException - if the query execution exceeds the query timeout value set and the transaction is rolled back

      • setMaxResults

        Query setMaxResults​(int maxResult)
        Set the maximum number of results to retrieve.
        Parameters:
        maxResult - maximum number of results to retrieve
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the argument is negative

      • getMaxResults

        int getMaxResults()
        The maximum number of results the query object was set to retrieve. Returns Integer.MAX_VALUE if setMaxResults was not applied to the query object.
        Returns:
        maximum number of results
        Since:
        2.0

      • setFirstResult

        Query setFirstResult​(int startPosition)
        Set the position of the first result to retrieve.
        Parameters:
        startPosition - position of the first result, numbered from 0
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the argument is negative

      • getFirstResult

        int getFirstResult()
        The position of the first result the query object was set to retrieve. Returns 0 if setFirstResult was not applied to the query object.
        Returns:
        position of the first result
        Since:
        2.0

      • setHint

        Query setHint​(java.lang.String hintName,
              java.lang.Object value)
        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.
        Parameters:
        hintName - name of the property or hint
        value - value for the property or hint
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the second argument is not valid for the implementation

      • getHints

        java.util.Map<java.lang.String,​java.lang.Object> getHints()
        Get the properties and hints and associated values that are in effect for the query instance.
        Returns:
        query properties and hints
        Since:
        2.0

      • setParameter

        <T> Query setParameter​(Parameter<T> param,
                       T value)
        Bind the value of a Parameter object.
        Parameters:
        param - parameter object
        value - parameter value
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter does not correspond to a parameter of the query
        Since:
        2.0

      • setParameter

        Query setParameter​(Parameter<java.util.Calendar> param,
                   java.util.Calendar value,
                   TemporalType temporalType)
        Bind an instance of java.util.Calendar to a Parameter object.
        Parameters:
        param - parameter object
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter does not correspond to a parameter of the query
        Since:
        2.0

      • setParameter

        Query setParameter​(Parameter<java.util.Date> param,
                   java.util.Date value,
                   TemporalType temporalType)
        Bind an instance of java.util.Date to a Parameter object.
        Parameters:
        param - parameter object
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter does not correspond to a parameter of the query
        Since:
        2.0

      • setParameter

        Query setParameter​(java.lang.String name,
                   java.lang.Object value)
        Bind an argument value to a named parameter.
        Parameters:
        name - parameter name
        value - parameter value
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter name does not correspond to a parameter of the query or if the argument is of incorrect type

      • setParameter

        Query setParameter​(java.lang.String name,
                   java.util.Calendar value,
                   TemporalType temporalType)
        Bind an instance of java.util.Calendar to a named parameter.
        Parameters:
        name - parameter name
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter name does not correspond to a parameter of the query or if the value argument is of incorrect type

      • setParameter

        Query setParameter​(java.lang.String name,
                   java.util.Date value,
                   TemporalType temporalType)
        Bind an instance of java.util.Date to a named parameter.
        Parameters:
        name - parameter name
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if the parameter name does not correspond to a parameter of the query or if the value argument is of incorrect type

      • setParameter

        Query setParameter​(int position,
                   java.lang.Object value)
        Bind an argument value to a positional parameter.
        Parameters:
        position - position
        value - parameter value
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if position does not correspond to a positional parameter of the query or if the argument is of incorrect type

      • setParameter

        Query setParameter​(int position,
                   java.util.Calendar value,
                   TemporalType temporalType)
        Bind an instance of java.util.Calendar to a positional parameter.
        Parameters:
        position - position
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if position does not correspond to a positional parameter of the query or if the value argument is of incorrect type

      • setParameter

        Query setParameter​(int position,
                   java.util.Date value,
                   TemporalType temporalType)
        Bind an instance of java.util.Date to a positional parameter.
        Parameters:
        position - position
        value - parameter value
        temporalType - temporal type
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalArgumentException - if position does not correspond to a positional parameter of the query or if the value argument is of incorrect type

      • getParameters

        java.util.Set<Parameter<?>> getParameters()
        Get the parameter objects corresponding to the declared parameters of the query. Returns empty set if the query has no parameters. This method is not required to be supported for native queries.
        Returns:
        set of the parameter objects
        Throws:
        java.lang.IllegalStateException - if invoked on a native query when the implementation does not support this use
        Since:
        2.0

      • getParameter

        Parameter<?> getParameter​(java.lang.String name)
        Get the parameter object corresponding to the declared parameter of the given name. This method is not required to be supported for native queries.
        Parameters:
        name - parameter name
        Returns:
        parameter object
        Throws:
        java.lang.IllegalArgumentException - if the parameter of the specified name does not exist
        java.lang.IllegalStateException - if invoked on a native query when the implementation does not support this use
        Since:
        2.0

      • getParameter

        <T> Parameter<T> getParameter​(java.lang.String name,
                              java.lang.Class<T> type)
        Get the parameter object corresponding to the declared parameter of the given name and type. This method is required to be supported for criteria queries only.
        Parameters:
        name - parameter name
        type - type
        Returns:
        parameter object
        Throws:
        java.lang.IllegalArgumentException - if the parameter of the specified name does not exist or is not assignable to the type
        java.lang.IllegalStateException - if invoked on a native query or Jakarta Persistence query language query when the implementation does not support this use
        Since:
        2.0

      • getParameter

        Parameter<?> getParameter​(int position)
        Get the parameter object corresponding to the declared positional parameter with the given position. This method is not required to be supported for native queries.
        Parameters:
        position - position
        Returns:
        parameter object
        Throws:
        java.lang.IllegalArgumentException - if the parameter with the specified position does not exist
        java.lang.IllegalStateException - if invoked on a native query when the implementation does not support this use
        Since:
        2.0

      • getParameter

        <T> Parameter<T> getParameter​(int position,
                              java.lang.Class<T> type)
        Get the parameter object corresponding to the declared positional parameter with the given position and type. This method is not required to be supported by the provider.
        Parameters:
        position - position
        type - type
        Returns:
        parameter object
        Throws:
        java.lang.IllegalArgumentException - if the parameter with the specified position does not exist or is not assignable to the type
        java.lang.IllegalStateException - if invoked on a native query or Jakarta Persistence query language query when the implementation does not support this use
        Since:
        2.0

      • isBound

        boolean isBound​(Parameter<?> param)
        Return a boolean indicating whether a value has been bound to the parameter.
        Parameters:
        param - parameter object
        Returns:
        boolean indicating whether parameter has been bound
        Since:
        2.0

      • getParameterValue

        <T> T getParameterValue​(Parameter<T> param)
        Return the input value bound to the parameter. (Note that OUT parameters are unbound.)
        Parameters:
        param - parameter object
        Returns:
        parameter value
        Throws:
        java.lang.IllegalArgumentException - if the parameter is not a parameter of the query
        java.lang.IllegalStateException - if the parameter has not been been bound
        Since:
        2.0

      • getParameterValue

        java.lang.Object getParameterValue​(java.lang.String name)
        Return the input value bound to the named parameter. (Note that OUT parameters are unbound.)
        Parameters:
        name - parameter name
        Returns:
        parameter value
        Throws:
        java.lang.IllegalStateException - if the parameter has not been been bound
        java.lang.IllegalArgumentException - if the parameter of the specified name does not exist
        Since:
        2.0

      • getParameterValue

        java.lang.Object getParameterValue​(int position)
        Return the input value bound to the positional parameter. (Note that OUT parameters are unbound.)
        Parameters:
        position - position
        Returns:
        parameter value
        Throws:
        java.lang.IllegalStateException - if the parameter has not been been bound
        java.lang.IllegalArgumentException - if the parameter with the specified position does not exist
        Since:
        2.0

      • setFlushMode

        Query setFlushMode​(FlushModeType flushMode)
        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.
        Parameters:
        flushMode - flush mode
        Returns:
        the same query instance

      • getFlushMode

        FlushModeType getFlushMode()
        Get the flush mode in effect for the query execution. If a flush mode has not been set for the query object, returns the flush mode in effect for the entity manager.
        Returns:
        flush mode
        Since:
        2.0

      • setLockMode

        Query setLockMode​(LockModeType lockMode)
        Set the lock mode type to be used for the query execution.
        Parameters:
        lockMode - lock mode
        Returns:
        the same query instance
        Throws:
        java.lang.IllegalStateException - if the query is found not to be a Jakarta Persistence query language SELECT query or a CriteriaQuery query
        Since:
        2.0

      • getLockMode

        LockModeType getLockMode()
        Get the current lock mode for the query. Returns null if a lock mode has not been set on the query object.
        Returns:
        lock mode
        Throws:
        java.lang.IllegalStateException - if the query is found not to be a Jakarta Persistence query language SELECT query or a Criteria API query
        Since:
        2.0

      • unwrap

        <T> T unwrap​(java.lang.Class<T> cls)
        Return an object of the specified type to allow access to the provider-specific API. If the provider's query implementation does not support the specified class, the PersistenceException is thrown.
        Parameters:
        cls - the class of the object to be returned. This is normally either the underlying query implementation class or an interface that it implements.
        Returns:
        an instance of the specified class
        Throws:
        PersistenceException - if the provider does not support the call
        Since:
        2.0