javax.persistence

Interface Parameter<T>

Contents
  • Type Parameters:
    T - the type of the parameter
    All Known Subinterfaces:
    ParameterExpression<T>

    public interface Parameter<T>
    Type for query parameter objects.
    Since:
    Java Persistence 2.0
    See Also:
    Query, TypedQuery

    • Method Detail

      • getName

        String getName()
        Return the parameter name, or null if the parameter is not a named parameter or no name has been assigned.
        Returns:
        parameter name

      • getPosition

        Integer getPosition()
        Return the parameter position, or null if the parameter is not a positional parameter.
        Returns:
        position of parameter

      • getParameterType

        Class<T> getParameterType()
        Return the Java type of the parameter. Values bound to the parameter must be assignable to this type. This method is required to be supported for criteria queries only. Applications that use this method for Java Persistence query language queries and native queries will not be portable.
        Returns:
        the Java type of the parameter
        Throws:
        IllegalStateException - if invoked on a parameter obtained from a Java persistence query language query or native query when the implementation does not support this use

Document created the 11/06/2005, last modified the 18/08/2025
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References

  1. View the html document Language of the document:fr Manuel PHP : https://docs.oracle.com, Parameter (Java(TM) EE 7 Specification APIs)

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